Nitrate Vulnerable Zones in Wales · After you have gone through this Workbook for the first time, there will be aspects that need to be completed at a later date or plans, calculations

1

Nitrate Vulnerable Zones in Wales

Farmer’s Workbook – templates for plans, calculations and record keeping

2014 Edition

2

Farm Details

Name:

Address:

Postcode:

Customer Reference Number:

After you have gone through this Workbook for the first time, there will be aspects that need to be completed at a later date or plans, calculations and records that need updating at certain times.

As a reminder, you can note below actions that need to be undertaken at some point in the future.

Section of Workbook (e.g. Part ? or Q ?)

Action RequiredTarget Date

Date Completed

Printed on recycled paper

Print ISBN 978 1 4734 1249 1Digital ISBN 978 1 4734 1247 7 © Crown copyright 2014 WG20464

3

Contents

Page

Introduction 4

Further advice and information 5

Part 1 Storage of organic manure 6

Part 2 Total nitrogen limit for the whole holding 19

Part 3 Planning the spreading of nitrogen fertiliser 28

Part 4 The “Nmax” limit 37

Part 5 Controlling the spreading of nitrogen fertilisers 42

Part 6 Importing or exporting livestock manure 45

4

Introduction

This Workbook provides a series of templates which, when completed, will enable you to demonstrate compliance with the NVZ rules which involve planning, calculations and record keeping. It should be read in conjunction with the booklet entitled “Nitrate Vulnerable Zones in Wales – Guidance for Farmers”.

The Workbook:

a) provides templates for the plans and calculations that you need to undertake;

b) provides standard sheets for keeping the necessary records;

c) identifies areas where current farm practices could involve a breach of the NVZ rules.

You should work through the templates systematically from start to end. Key questions will identify which templates must be completed for you to satisfy the NVZ Regulations. At the start of each Part there is also a clear indication as to when you should complete each particular template and by when you should comply with various rules. As you progress through the Workbook you should also note times in the future when updating is required or further records must be kept.

It is possible that you already prepare some of the calculations and plans, and keep the necessary records (for other schemes or initiatives). As long as these satisfy the NVZ Regulations, they can be used as an alternative to the Workbook templates.

In all cases records must be kept for at least five years.

There is no need to submit these templates or any other records to Natural Resources Wales (unless requested to do so), however, they must be made available for inspection at any time.

5

Further Advice and Information

NVZ Wales Helpline – 01974 847000.

PLANET software – a free copy is available by visiting www.planet4farmers.co.uk or phoning 08453 451302.

ENCASH software – for determining nitrogen produced by permanently housed pigs and poultry – a free copy is available by visiting www.planet4farmers.co.uk or phoning 08456023864.

MANNER NPK software – a free copy is available by visiting www.planet4farmers.co.uk or phoning 08456023864.

The Fertiliser Manual (RB 209 – 8th edition – Defra, June 2010) – is available at www.defra.gov.uk or in hard copy from TSO Shop (www.tsoshop.co.uk).

Code of Good Agricultural Practice for the Protection of Water, Soil and Air for Wales 2011 (Welsh Government) – available from www.wales.gov.uk.

Guidance on Construction, Repair and Maintenance leaflets:

• Above-groundcircularconcreteandweeping-wallslurrystores(CGN001);

• Earth-bankedslurrystores(CGN002);

• In-situconcreteslurrystores(CGN003);

• Above-groundcircularsteelslurrystores(CGN004);

• Separationofcleananddirtywater;dirtywaterstorage;andyardareaconstruction(CGN008);

• Sluicevalvesonsteelandconcreteabove-groundslurrystores(CGN010);

• Theuseofcoversoncircularsteelandconcreteslurrystores(CGN011).

A Farmer’s Guide to the Planning System (Welsh Assembly Government, August 2003).

Control of Pollution (Silage, Slurry and Agricultural Fuel Oil) (Wales) Regulations 2010 Guidance Notes for Farmers (Welsh Government 2010) – available from www.wales.gov.uk.

http://www.planet4farmers.co.uk



http://www.defra.gov.uk

http://www.tsoshop.co.uk

http://www.wales.gov.uk

http://www.wales.gov.uk

6

Part 1 – Storage of organic manure (including slurry)

Requirement for plans, calculations and records

What When

On a holding with livestock, the amount of manure that will be produced by the anticipated number of animals that will be kept in a building or on a hardstanding during the storage period using the standard figures in Template 1.1 and Tables 1.1 and 1.2.

Animals introduced onto the holding for the first time, must be included in the calculation within one month.

Amount of storage capacity (slurry vessels and hardstandings) required to enable compliance with the requirements, taking into account:a) the amount of manure intended to be exported

from the holding;b) the amount of manure intended to be spread

on land that has a low run-off risk;c) in the case of a slurry vessel, the amount of liquid

other than slurry likely to enter the vessel.

Animals introduced onto the holding for the first time, must be included in the calculation within one month.

Current capacity for storage on the holding. If your storage capacity changes, you must record the change within 1 week.

On a holding with livestock you must record, for the previous storage period, the number and category of animals in a building or on a hardstanding.

Before 30 April each year.

On a holding with livestock you must record the sites used for field heaps and the dates of use – see Part 5.


7

Q 1.1 Do you produce slurry from cattle, sheep, goats, deer or horses during the period 1 October to 1 March?

YES / NO

If “NO” proceed to Q 1.4

If “YES”, you must undertake Calculations 1.1 – 1.6.

Calculation 1.1

Complete Template 1.1 to calculate the amount of slurry that will be produced by the anticipated number of animals that will be kept during the storage period. Guidance is provided in the box adjacent to the table.

8

Template 1.1 – Cattle, sheep, goats, deer, horse slurry production (based on undiluted slurry)

Type of livestock

Col 1Number of stock

Col 2Number of days slurry

collected in

storage period

Col 3Daily

excreta volume (litres)

Col 4Volume

produced in

storage periodCol 1 x Col 2 x Col 3

Cattle

Calf (all categories including veal) up to 3 months 7.0

Dairy cow to first calf

From 3 months and less than 13 months 20.0

From 13 months and up to first calf 40.0

Dairy cow after first calf reared

Annual milk yield over 9,000 litres 64.0

Annual milk yield 6,000-9,000 litres 53.0

Annual milk yield less than 6,000 litres 42.0

Beef cows or steersa to 25 months



Beef cows or steersa from 25 months

Females or steersa for slaughter 32.0

Females for breeding weighing 500 kg or less 32.0

Females for breeding weighing over 500 kg 45.0

Bulls

Non-breeding 3 months and over 26.0

Breeding – from 3 months and less than 25 months

26.0

Breeding – from 25 months 26.0

Sheep

From 6 months up to 9 months 1.8

From 9 months to first lambing, first tupping or slaughter 1.8

After lambing or tuppingb

Weighing less than 60 kg 3.3

Weighing over 60 kg 5.0

Goats, deer, horses

Goat 3.5

DeerBreeding 5.0

Other 3.5

Horse 24.0

Total volume of slurry from cattle, sheep, goats, deer, horses in storage period 1A

a – steer = castrated male.b – in the case of a ewe, this figure includes one or more suckled lambs until the lambs are aged 6 months.

9

Column 1 – for each category of livestock listed, enter the number likely to be kept on a slurry or part-slurry system during the storage period.

Column 2 – for each category of livestock, enter the total number of days during the storage period when slurry will be collected. For livestock housed on a 100% slurry system throughout the storage periodthiswillbe152days.Forpart-slurry systems or where slurry is not collected from livestock for a whole day or on all days during the storage period the number of days entered in this column should be adjusted accordingly.

Column 3 – these figures are the standard volumes of excreta produced for each category of livestock and must be used in the calculation.

Column 4 – for each category of livestock, multiply the figures in Columns 1, 2 and 3 to give the total volume (in litres) of slurry produced by cattle, sheep, goats, deer and horses during the storage period.

Box 1A – enter the total of the figures in Column 4.

Enter the figure from Box 1A below and divide by 1,000 to convert to cubic metres. Enter this figure in Box 1B below.

1A ÷ 1,000 = 1B m3

10

Calculation 1.2

Calculate the average volume of rainfall that enters your slurry store(s) during the storage period 1 October to 1 March. This can be calculated by preparing a plan of the farm buildings and yards and marking in red drains that carry dirty water and “foul” liquids and in blue drains that carry clean water. Work out the total area of yards and buildings and then deduct covered areas if rain falling on these roofs is collected and discharged to a clean water drain. However, where rainfall onto roofs or clean yards does unavoidably drain to slurry store(s), this area must be included. You must also include the area of weeping wall stores, uncovered silage clamps, dungsteads/manure heaps and slurry stores. Enter this area at Box 1C below. In Box 1D enter the typical rainfall1 (in metres) that occurs during the storage period. Multiply the figures in Boxes 1C and 1D and enter the result in Box 1Etogivetherun-offthatenterstheslurry store.

Example of farm drainage plan

Area (m2) 1C xTypical rainfall during

storage period 1D = 1E m3

Machinery shed/fertiliser and chemical store

Silage clamps

Fuel tanks

Cubicle building and parlour

Dairy

Big bale storage area

Slurry tower

Clean roof water

Stream

Slurry lagoonOver�ow

Reception pit

Only clean, un-contaminated roof and yard water

Sealed silagee�uent tank

Clean roof water

1 Average monthly rainfall for 1971 to 2000 is available from your nearest rainfall station, see www.metoffice.gov.uk/climate/uk/averages/19712000/index.html or phone MeteorologicalOfficeCustomerCareon08709000100ore-mailenquiries@metoffice.gov.uk.Youshouldalsoconsiderthepossibleadvantagesofobtainingmoreaccurate data if this would give a lower figure.

http://www.metoffice.gov.uk/climate/uk/averages/19712000/index.html

11

Note: on some farms all dirty water may not enter slurry store(s) and the remainder may be directed to a separate dirty water store for regular field irrigation. You should ensure that anything entering a dirty water store for regular irrigation in closed periods meets the NVZ definition for dirty water i.e. lightlycontaminatedrun-offfromlightlyfouledconcreteyardsorfromthedairy/parlourthatis collected separately from slurry. It does not include drainiage from yards or buildings used to house or feed livestock,liquidsfromweeping-wallstores,manure storageon hardstandings,strainerboxes,slurry separators or silage effluent, all of which are rich in nitrogen.

Q 1.2 Do you produce dairy wash water that enters the slurry store(s) during the storage period?

YES / NO


If “YES” you must undertake the following calculation:

Calculation 1.3

Calculate the volume of dairy wash water that enters the slurry store(s) during the storage period.

Typical wash water use from high volume hoses is 30 litres per cow per day and from low volume hoses is 20 litres per cow per day.

If you know the total amount (in cubic metres) of wash water used during the storage period (e.g. from water meter readings), enter this figure directly in Box 1J. Otherwise, enter the total number of dairy cows on your farm at Box 1F and at Box 1G enter the typical daily volume (in litres) used per cow. Multiply Boxes 1F, 1G and 1H (the 152 days of the storage period divided by 1,000 to convert from litres to cubic metres) and enter the result at Box 1J to give the total volume of wash water that enters the slurry store(s).

Number of cows

1F x Daily wash water volume per cow

1G x 1H 0.152 = 1J m3

12

Q 1.3 Doesanyotherfoulrun-offentertheslurry store(s) during the storage period?

YES / NO

If “NO” proceed to Calculation 1.5

If “YES” you must undertake the following calculation:

Calculation 1.4

Estimateincubicmetresanyotherfoulrun-offthatenterstheslurry store(s) during the storage period. Include details in the box below and enter the figure in Box 1K.

1K m3

13

Calculation 1.5

Add together the figures in Boxes 1B, 1E, 1J and 1K to give the total volume of slurry produced during the storage period. Enter the result at Box 1L.

1L m3

Q 1.4 Do you produce any slurry from pigs during the period 1 October to 1 April?

YES / NO

If “NO” proceed to Calculation 1.6

If “YES” you must calculate the volume of slurry that will be produced using the standard figures in Table 1.1 below. You should also remember to include the volume of rainfall, wash water2 and anyotherfoulrun-offthatentersapig slurry store.

Table 1.1 Pig slurry production (based on undiluted slurry)

Type of livestock Daily Excreta Volume (litres)

From 7 kg and less than 13 kg 1.3


From 31 kg and less than 66 kg

Dry fed 3.7

Liquid fed 7.1

From 66 kg

Intended for slaughter – dry fed 5.1

Intended for slaughter – liquid fed 10.0

Sows intended for breeding that have not yet had their first litter 5.6

Sows (including litters up to 7 kg) 10.9

Breeding boars from 66 kg up to 150 kg 5.1

Breeding boars from 150 kg 8.7

The details of your calculation must be shown on a separate sheet and the total volume included in Box 1M. (All volumes should be in cubic metres).

1M m3

2 If you know the actual amount (in cubic metres), you can use this figure, alternatively, the following typical figures can be used:

Pig typeLitres per pig

place per weekPig type

Litres per pig place per week

Sows with litter up to 7 kg 10.0 Weaners (13 – 30 kg) 2.6

Maiden gilts and breeding boars 0.6 Growers (31 – 65 kg) 1.9

Weaners (7 – 12 kg) 2.0 Finishers (66 kg and over) 1.6

14

Q 1.5 Have you entered a figure in either of Boxes 1L or 1M?

YES / NO


If “YES”, you should undertake Calculation 1.6.

Calculation 1.6

Calculate the volume of available slurry storage on the farm and enter the figure at Box 1N below.

For a store that is square or rectangular: Length (m) x width (m) x depth (m) = volume in m3

For a circular above ground store: 3.142 x radius (m) x radius (m) x height (m) = volume in m3

Appropriateallowanceshouldbemadeforthefreeboardrequirementof750 mmforearth-banklagoons and 300 mm for concrete lagoons or above ground steel tanks. The freeboard volume should not count towards the available storage that satisfies the NVZ storage requirements. Also, measurementsofanearth-banklagoonshouldtakeintoaccountthatthesidesslopeinwards. Details of the calculations should be shown in the box below.

Available slurry storage capacity = 1N m3

15

ConclusionIf the figure in Box 1N is less than the sum of the figures in Boxes 1L and 1M, then the farm does not have sufficient slurry storage to satisfy the NVZ rules. However, before considering provision of additional storage or changing your farming system to make up the shortfall, the NVZ rules allow you to take the following into consideration and deduct appropriate volumes from either of Boxes 1L or 1M:

• Ifyoualways export some of your slurry during the storage period to another farm for land spreading or to another environmentally acceptable destination (see also Part 6);

• Ifyoualways use a mechanical separator to remove solids from the slurry, you may reduce the volumeofrequiredstoragecapacity(15-20%forcattleslurryand5-10%forpigslurry) and manage the solid fraction in accordance with NVZ requirements for solid manure;

• Ifyoualways apply some slurry to land that has a low run-off risk following the end of the “closed period” (see 2014 NVZ Guidance Booklet), you may deduct the volume applied, but you must add as a contingency an extra one week’s slurry production.

If you are able to reorganise clean and foul yard areas, alter roof drainage, roof over fouled yard areas or cover slurry stores, you may be able to reduce the volume of rainwater entering your existing slurry stores(s).

If you use any of the above options to reduce the amount of slurry stored, you should record your calculation and justification for amending the figures in the box below (or on a separate sheet).

16

• Whensystemshavebeenadapted,Calculations1.1–1.6shouldbere-workedasappropriate.

• WhenthefigureinBox 1N is equal to or greater than the sum of the figures in Boxes 1L and 1M the farm is compliant with the NVZ rules.

• Calculations1.1–1.6shouldbere-workedwithinonemonthofanyadditionallivestock being introduced onto the farm.

• Anychangestothestoragecapacitymustberecordedwithinoneweek.

Q 1.6 Do you produce solid poultry manure during the period 1 October to 1 April?

YES / NO

If “NO” proceed to the final paragraph of this Part, titled “Record Keeping”

If “YES”, you will need to calculate:

• Thevolumeofpoultry manure produced using standard figures;3

• Thevolumeofpoultry manure that needs to be stored;4

• Thecapacityofexistingstores;

and consider whether the existing capacity is sufficient. If there is a shortfall in capacity, you will need to show what action you intend to take so that your farm satisfies NVZ rules.

3 Table 1.2 – Poultry manure production (note – all figures include litter)

Type of livestockDaily manure produced

by each animal (kg)

Chickens used for production of eggs for human consumption

Less than 17 weeks 0.04

From 17 weeks 0.12

Chickens raised for meat 0.06

Chickens raised for breedingLess than 25 weeks 0.04

From 25 weeks 0.12

TurkeysMale 0.16

Female 0.12

Ducks 0.10

Ostriches 1.60

Note: figures include litter where appropriate4 Using a density of 0.9 for laying hen excreta and 0.5 for poultry litter

17

Record Keeping

• Before30Aprileachyear,theoccupierofaholding with livestock must record, for the previous storage period, the number and category of animals in a building or hardstanding during the storage period. Existing farm records can be used for this purpose;

• Before30Aprileachyear,theoccupierofa holding with livestock must record for the previous storage period the sites used for temporary field manure heaps (see Part 5 – risk map – below) and the dates of use.

If you used temporary field sites for storing solid manure (i.e. material that can be stacked in a freestanding heap and that does not drain liquid), record here the dates. Note the site’s location, start date and end date.

18

For newly designated NVZs the rules regarding provision of adequate storage do not apply until August 2015. If you envisage that changes will need to be made to your farming system or that additional storage will be required to enable you to comply with the rules, you should start planning the actions you need to take, well in advance of this date.

Note for intensive pig and poultry farmers Further details and guidance regarding pig slurry and poultry manure storage

should be sought by phoning the NVZ helpline – 01974 847000

19

Part 2 – Total nitrogen limit for the whole holding


What When

You must maintain a record of the total size of the holding. The calculation of land area should exclude surface waters, hardstandings, buildings, roads and ungrazed woodland.

Changes must be recorded within one month.

You must make a record of:a) the number and category (according to

Template 2.3) of the animals on the holding during the previous calendar year;

b) the number of days each animal spent on the holding.

By 30 April each year.

You must then calculate the amount of nitrogen in the manure produced by the animals on the holding during the year using the standard figures in Template 2.3.


Alternatively, in the case of permanently housed pigs or poultry, you may use:a) software approved by the Welsh Government

(in which case a printout of the results must be kept); or

b) in the case of a system of keeping livestock that only produces solid manure5, sampling and analysis in accordance with Annex 1 of the 2014 NVZ Guidance Booklet.

You must make a record of the calculations and how the final figures were arrived at.


5 Material that can be stacked in a freestanding heap and that does not drain liquid

20

Note: the NVZ rules require that you base your calculation for the total nitrogen loading of your holding on actual figures for the previous calendar year. However, if you only do the calculation at the end of the year, you may find that you have breached the limit and cannot take any remedial action. It is therefore strongly recommended that you also plan for the year ahead by undertaking the calculations in this Part of the Workbook in advance of each calendar year.

Calculation 2.1

Calculate the land area of the whole farm by completing Templates 2.1a and 2.1b (note that Template 2.1a is for land situated within a NVZ and Template 2.1b is for land outside an NVZ). In each template enter the name or number of each field in Column 1. You should include rough grazing, rented land that is under your control during the calendar year, land under management agreements (e.g. Glastir, Tir Cynnal, Tir Gofal), and an appropriate proportion of any common land you use. In Column 2 enter the area of each field in hectares, but exclude areas given over to surface water, hard standings, buildings, roads or ungrazed woodland. Enter the totals of field areas noted in Column 2 of Template 2.1a in Box 2A and the totals of field areas noted in Column 2 of Template 2.1b in Box 2B.

Template 2.1a – Land area in a NVZ

Continuation columns

Col 1Field name or number

Col 2Area (ha)


Col 2Area (ha)

(sub-total carried forward)

Sub total Total area 2A

21

Template 2.1b – Land area outside of a NVZ

Continuation columns


Col 2Area (ha)


Col 2Area (ha)

(sub-total carried forward)

Sub total Total area 2B

Calculation 2.2

Calculate the livestock manure nitrogen capacity of the farm by multiplying the area noted at Box 2A by 170 (enter the result in Box 2C) and multiplying the area noted in Box 2B by 2506 (enter the result in Box 2D). Add the figures in Boxes 2C and 2D and enter the result in Box 2E – this represents the livestock manure capacity of the farm.

2A ha x 170 kg/ha = 2C kg

2B ha x 250 kg/ha = 2D kg

2C ha + 2D = 2E kg

6 This figure applies the advice contained in the Code of Good Agricultural Practice for the Protection of Water, Soil and Air for Wales which establishes a limit of 250 kg nitrogen/ha/year to areas of your farm outside of a NVZ.

22

Q 2.1 Do you import livestock manure onto the farm?

YES / NO

If “NO”, proceed to Q 2.2

If “YES”, complete Template 2.2.

Template 2.2 – Imported livestock manure

Col 1Manure type

Col 2Quantity (t or m3)

Col 3Total nitrogen content

(kg/t or kg/m3)

Col 4Total nitrogen

(kg)

Total nitrogen of all imported livestock manure 2F kg nitrogen/year

Column 1 – enter the manure type (from this list)7 that is imported.Column 2 – enter the quantity of each manure type imported during the year. Use cubic metres for slurry or tonnes for other manure.Column 3 – enter the total nitrogen content of each manure type. You must use the standard values from the list7 or, where acceptable, the results from sampling and analysis in accordance with Annex 1 of the 2014 NVZ Guidance Booklet.Column 4 – for each manure type enter the total quantity of nitrogen imported onto your farm by multiplying the figures Column 2 by the figures in Column 3.Box 2F – enter the total of the figures in Column 4 to give a figure for the total nitrogen imported from all livestock manures.

23

Q 2.2 Do you keep any of the types of livestock listed in Template 2.3 on your farm?

YES / NO


If “YES”, calculate the amount of nitrogen produced by livestock on your farm by completing Template 2.3. Guidance is provided below the template.

7 Manure other than slurry Total nitrogen in each tonne (kg)

Manure other than slurry from:

CattlePigsSheepDucksHorsesManure from laying hensManure from turkeys or broiler chickens

6.0 7.0 6.0 6.5 7.0 19.0 30.0

Slurry Total nitrogen in each m3 (kg)

CattlePigsSeparated cattle slurry (liquid fraction) Strainer box Weeping wall Mechanical separatorSeparated cattle slurry (solid fraction)Separated pig slurry (liquid fraction)Separated pig slurry (solid fraction)Dirty water

2.6 3.6

1.5 2.0 3.0 4.0 3.6 5.0 0.5

24

Template 2.3 – Total nitrogen produced by livestock on the holding

Type of livestock

Col 1Number of

stock

Col 2Total nitrogen produced by each unit of

stock (kg/annum)

Col 3Total nitrogen

produced Col 1 x Col 2

Cattle

Calf (all categories including veal) up to 3 months 8

Dairy cow to first calf

From 3 months and less than 13 months 35

From 13 months and up to first calf 61

Dairy cow after first calf reared

Annual milk yield over 9,000 litres 115

Annual milk yield 6,000-9,000 litres 101

Annual milk yield less than 6,000 litres 77

Beef cows or steersa to 25 months



Beef cows or steersa from 25 months

Females or steersa for slaughter 50

Females for breeding weighing 500 kg or less 61

Females for breeding weighing over 500 kg 83

Bulls

Non-breeding 3 months and over 54

Breeding – from 3 months and less than 25 months

50

Breeding – from 25 months 48

Sheep

From 6 months up to 9 months 2.0

From 9 months to first lambing, first tupping or slaughter 1.4

After lambing or tuppingb

Weighing less than 60 kg 7.6

Weighing over 60 kg 12.0

Goats, deer, horses

Goat 15.0

DeerBreeding 15.3

Other 12.0

Horse 21.0

a – steer = castrated male.

b – in the case of a ewe, this figure includes one or more suckled lambs until the lambs are aged 6 months.

25

Column 1 – enter the number of livestock kept on the farm. This figure should be adjusted (according to the number of days out of 365) if some of the stock were kept for only part of the year.Column 2 – gives the standard figure for total nitrogen produced by each category of livestock.Column 3 – for each category of livestock, multiply the figure in Column 1 by the figure in Column 2 and enter the result in Column 3.Box 2G – add up all the figures in Column 3 and enter the result in Box 2G. This figure represents the total nitrogen produced from livestock on the farm.

Type of livestock

Col 1Number of

stock

Col 2Total nitrogen produced by each unit of

stock (kg/annum)

Col 3Total nitrogen

produced Col 1 x Col 2

Pigs




From 66 kg

Intended for slaughter 12.0

Sows intended for breeding that have not yet had their first litter

13.9

Sows (including litters up to 7 kg) fed on a diet supplemented with synthetic amino acids

16.1

Sows (including litters up to 7 kg) fed on a diet without synthetic amino acids

17.9

Breeding boars from 66 kg up to 150 kg 12.0

Breeding boars from 150 kg 17.5

Poultry

Chickens used for production of eggs for human consumption


From 17 weeks (caged) 0.41

From 17 weeks (not caged) 0.55

Chicken raised for meat 0.39

Chickens raised for breeding


From 25 weeks 0.74

TurkeysMale 1.37

Female 1.03

Ducks 0.91

Ostriches 1.40

Total nitrogen produced from livestock on the farm 2G

Template 2.3 continued – Total nitrogen produced by livestock on the holding

26

Q 2.3 Do you export livestock manure off the farm?

YES / NO


If “YES”, complete Template 2.4. Guidance is provided below the Template.

Template 2.4 – Exported livestock manure

Col 1Manure type

Col 2Quantity (t or m3)

Col 3Total nitrogen content

(kg/t or kg/m3)

Col 4Total nitrogen

(kg)

Total nitrogen of all exported livestock manure 2H kg nitrogen/year

Column 1 – enter the manure types (from the list at footnote 7, page 23) that is exported.

Column 2 – enter the quantity of each manure type exported during the year. Use cubic metres for slurry or tonnes for other manure.

Column 3 – enter the total nitrogen content of each manure type. You must use the standard values from the list at footnote 7, page 23 or, where acceptable, the results from sampling and analysis in accordance with Annex 1 of the 2014 NVZ Guidance Booklet.

Column 4 – for each manure type enter the total quantity of nitrogen exported off your farm by multiplying the figures in Column 2 by the figures in Column 3.

Box 2H – enter the total of the figures in Column 4 to give a figure for the total nitrogen exported from all livestock manures.

27

Q 2.4 Have you entered a figure in any of Boxes 2F, 2G or 2H?

YES / NO

If “NO” proceed to Part 3

If “YES” you should undertake Calculation 2.3.

Calculation 2.3

Enter the total loading of livestock manure nitrogen for your farm in Box 2I by adding the figures in Boxes 2F and 2G, and subtracting the figure in Box 2H.

2F + 2G – 2H = 2I kg nitrogen/year

ConclusionIf Box 2E is greater than Box 2I then you are compliant with the NVZ rule on nitrogen loading.

If Box 2E is less than Box 2I then the livestock manure loading of your farm is greater than the limit of 170 kg/ha – you are not complying with the NVZ rules.

To become compliant you will need to consider options such as:

• Ifyourfarmhas80%ormoreofitslandasgrassland and can satisfy other eligibility criteria, apply for the derogation that is available to increase the nitrogen loading limit to a maximum of 250 kg/ha;

• Forpermanentlyhousedpigsandpoultry you may use nitrogen production figures generated by software approved by the Welsh Government;

• Forlivestock that produce only solid manure, you may use figures derived from sampling and analysis in accordance with Annex 1 of the 2014 NVZ Guidance Booklet;

• Reductioninlivestock numbers;

• Increasingtheamountofmanureexportedfromthefarm;

• Decreasingtheamountofmanureimportedontothefarm;

• Increasingthelandareaofthefarm.

28

Part 3 – Planning the spreading of nitrogen fertiliser (includes manufactured nitrogen fertiliser, slurry and other organic manures)


What When

If you intend to spread nitrogen fertiliser you must:a) calculate the amount of nitrogen in the soil that is

likely to be available for uptake by the crop during the growing season (the “Soil Nitrogen Supply”);

b) calculate the optimum amount of nitrogen that should be spread on the crop, taking into account the amount of nitrogen available from the Soil Nitrogen Supply; and

c) produce a “plan” (see below) for the spreading of nitrogen fertiliser for that growing season.

Permanent grassland – each year beginning 1 January before the first spreading of nitrogen fertiliserAll crops other than permanent grassland – before spreading any nitrogen fertiliser for the first time for the purpose of fertilising a crop planted or intended to be planted.

The “plan” must be in permanent form and must record:a) the reference or name of the relevant field;b) the “area of the field planted or intended

to be planted” (see below);c) the type of crop.


For the “area of the field planted or intended to be planted” the plan must record:a) the soil type;b) the previous crop (if the previous crop was grass,

whether it was managed by cutting or grazing);c) the Soil Nitrogen Supply and the method used

to establish the figure;d) the anticipated month the crop will be planted;e) if arable, the anticipated yield;f) the optimum amount of nitrogen that should

be spread on the crop taking into account the amount of nitrogen available from the Soil Nitrogen Supply.


29

What When

Before spreading organic manure, you must calculate the amount of nitrogen from the manure that is likely to be available for crop uptake in the growing season in which it is spread, by recording:a) the area on which the organic manure will be spread;b) the quantity of organic manure to be spread;c) the planned date (month) for spreading;d) the type of organic manure;e) the total nitrogen content of the organic manure;f) the amount of nitrogen likely to be available from

the manure intended to be spread for crop uptake in the growing season in which it is spread.

On each occasion before spreading organic manure.

Before spreading nitrogen fertiliser you must record:a) the amount required8;b) the planned date (month) for spreading.

On each occasion before spreading nitrogen fertiliser.

You must also keep records of actual events as follows:With regard to crops:a) the crop sown;b) the date of sowing.

Within one week of sowing a crop.

With regard to spreading organic manure9:a) the area on which organic manure is spread;b) the quantity of organic manure spread;c) the date(s);d) the methods of spreading;e) the type of organic manure;f) the total nitrogen content;g) the amount of nitrogen that was available

to the crop.

Within one week of spreading.

With regard to spreading manufactured nitrogen fertiliser9:a) the date of spreading;b) the amount of nitrogen spread.

Within one week of spreading.

If you have used nitrogen fertiliser you must record the yield achieved by an arable crop.

Within one week of ascertaining the yield.

You must record how any grassland was managed in the previous calendar year.


8 This equates to the optimum amount of nitrogen required by the crop (taking into account the Soil Nitrogen Supply) less the amount of nitrogen that will be available for crop uptake from any organic manure spread.

9 These requirements do not apply if in any calendar year 80% of the agricultural area of your holding is sown with grass and:

a) the total amount of nitrogen in organic manure applied to the holding, whether directly by animal or as a result of spreading is no more than 100 kg/ha;

b) the total amount of nitrogen in manufactured nitrogen fertiliser applied to the holding is no more than 90 kg/ha;

c) you do not bring any organic manure onto the holding.

30

Q 3

.1

Do

you

inte

nd s

prea

ding

nitr

ogen

fer

tilis

er (i

nclu

des

slur

ry a

nd o

rgan

ic m

anur

e) o

n yo

ur h

oldi

ng?

YES

/ N

O

If “N

O”

proc

eed

to t

he fi

nal p

arag

raph

of

this

Par

t en

title

d R

eco

rd k

eep

ing

req

uir

emen

ts

If “Y

ES”,

com

plet

e Te

mp

late

3.1

. Gui

danc

e is

pro

vide

d be

low

the

tem

plat

e.

Tem

plat

e 3.

1 –

Plan

for

opt

imum

am

ount

of

avai

labl

e ni

trog

en t

hat

shou

ld b

e sp

read

Col 1

Fiel

d N

ame

or

Num

ber

Col 2

Area

that

will

re

ceiv

e ni

troge

n fe

rtilis

er (h

a)

Col 3

Type

of c

rop

Col 4

Soil

Nitr

ogen

Su

pply

(SN

S)

Col 5

Met

hod

of

dete

rmin

ing

SNS

Col 6

Mon

th in

whi

ch

crop

will

be

plan

ted10

Col 7

If ar

able

, an

ticip

ated

yie

ld

Col 8

Opt

imum

am

ount

of

nitro

gen

that

sh

ould

be

spre

ad

Col 9

Met

hod

of

dete

rmin

ing

optim

um

nitro

gen

requ

irem

ent

10 E

xcep

t fo

r pe

rman

ent

gras

slan

d or

leys

est

ablis

hed

in p

revi

ous

year

(s)

31

Co

lum

n 1

– e

nter

the

nam

e, n

umbe

r or

ref

eren

ce o

f th

e fie

ld. E

very

fiel

d on

the

hol

ding

whe

re n

itrog

en f

ertil

iser

will

be

spre

ad s

houl

d be

incl

uded

in

thi

s co

lum

n.

Co

lum

n 2

– e

nter

the

are

a of

the

fiel

d th

at w

ill r

ecei

ve n

itrog

en f

ertil

iser

. Thi

s w

ill n

orm

ally

be

the

area

tha

t w

ill b

e cr

oppe

d (in

clud

ing

gras

slan

d),

buttaking

intoaccou

ntnon

-spr

eadi

ng a

reas

– s

ee r

isk

map

at

Part

5.

Co

lum

n 3

– e

nter

the

inte

nded

typ

e of

cro

p (in

clud

ing

gras

slan

d an

d ho

w it

will

be

man

aged

e.g

. cut

ting,

gra

zing

).

Co

lum

n 4

– e

nter

the

Soi

l Nitr

ogen

Sup

ply

for

the

inte

nded

cro

pped

are

a. T

his

figur

e w

ill n

eed

to b

e ca

lcul

ated

sep

arat

ely

(incl

ude

calc

ulat

ions

on

a s

epar

ate

shee

t). T

his

calc

ulat

ion

will

incl

ude

the

NV

Z re

quire

men

ts t

o re

cord

the

soi

l typ

e an

d pr

evio

us c

rop.

Co

lum

n 5

– n

ote

the

met

hod

you

used

to

dete

rmin

e th

e So

il N

itrog

en S

uppl

y.

Co

lum

n 6

– if

you

are

inte

ndin

g to

sow

a c

rop

(incl

udin

g a

gras

s le

y), n

ote

the

mon

th it

will

be

sow

n.

Co

lum

n 7

– if

an

arab

le c

rop

is t

o be

sow

n, n

ote

the

antic

ipat

ed y

ield

.

Co

lum

n 8

– e

nter

the

opt

imum

am

ount

of

nitr

ogen

tha

t sh

ould

be

spre

ad o

n th

e cr

op. T

his

figur

e w

ill n

eed

to b

e ca

lcul

ated

sep

arat

ely

(incl

ude

calc

ulat

ions

on

a se

para

te s

heet

) and

sho

uld

take

into

acc

ount

the

am

ount

of

nitr

ogen

ava

ilabl

e fr

om t

he S

oil N

itrog

en S

uppl

y.

Co

lum

n 9

– n

ote

the

met

hod

you

used

to

dete

rmin

e th

e op

timum

am

ount

of

nitr

ogen

tha

t sh

ould

be

spre

ad o

n th

e cr

op.

You

can

asse

ss S

oil N

itrog

en S

uppl

y us

ing

an in

dex

valu

e ba

sed

on in

form

atio

n ab

out

the

soil

type

, pre

viou

s cr

oppi

ng, p

revi

ous

man

ure

and

fert

ilise

r us

e, a

nd w

inte

r ra

infa

ll. A

ltern

ativ

ely,

the

use

of

soil

sam

plin

g an

d an

alys

is is

rec

omm

ende

d w

here

hig

h or

unc

erta

in a

mou

nts

of s

oil n

itrog

en

are

expe

cted

. Thi

s w

ill n

eed

to in

clud

e an

est

imat

e of

the

am

ount

of

nitr

ogen

tha

t is

like

ly t

o be

com

e av

aila

ble

for

crop

upt

ake

due

to t

he

min

eral

isat

ion

of s

oil o

rgan

ic m

atte

r an

d fr

om p

revi

ous

crop

res

idue

s.

Ther

e is

a w

ide

varie

ty o

f so

urce

s of

info

rmat

ion

to h

elp

you

asse

ss t

he c

rop

nitr

ogen

req

uire

men

t, in

clud

ing

FAC

TS q

ualifi

ed a

dvis

ers,

PL

AN

ET s

oftw

are

and

the

Fert

ilise

r M

anua

l – “

RB20

9”.

32

Q 3.2 Do you intend spreading organic manure during the next growing season?

YES / NO


If “YES”, complete Template 3.2 (use a separate line for each dressing). Guidance is provided below the template.

There is a variety of sources of information to help you assess crop available nitrogen in organic manure. These include FACTS qualified advisers, PLANET software

and the Fertiliser Manual – “RB209”.

Template 3.2 – Plan for available nitrogen from organic manures


Col 2Area on which organic manure will be spread

(ha)

Organic manure that will be spread Col 6Total amount of crop available nitrogen in the growing season

Col 3Type

Col 4Date(s) of spreading

Col 5Quantity (t)

Column 1 – enter the name, number or reference of the field. Every field on the holding where organic manure will be spread should be included in this column.

Column 2 – enter the area of the field that will receive organic manure, but taking into account non-spreading areas – see risk map at Part 5.

Column 3 – note the type(s) of organic manure that will be spread (you may use the categories listed in Table 4.2).

Column 4 – note the intended date(s) for spreading.

Column 5 – enter the quantity you intend to spread.

Column 6 – enter the total amount of crop available nitrogen that will be spread. This figure will need to be calculated separately (include calculations on a separate sheet).

33

Q 3.3 Do you intend spreading manufactured nitrogen fertiliser during the next growing season?

YES / NO

If “NO” proceed to the final paragraph of this Part entitled Record keeping requirements

If “YES”, complete Template 3.3. Guidance is provided below the table.

Record keeping requirementsAfter you have spread nitrogen fertiliser, you are required to keep records. You can do this by completing Template 3.4.

Plans, calculations and records from this Part will also enable you to identify whether you are compliant with the NVZ rule that stipulates:

You should ensure that in any twelve month period11, the total amount of nitrogen in organic manure spread on any given hectare on the holding must not exceed 250 kg.

You should note that only the spreadable area (not necessarily the whole area) counts towards the limit for each field. Spreadable areas are identified in Part 5 of this Workbook.

11 A rolling 12 month period applies.

34

Tem

plat

e 3.

3 –

Plan

for

man

ufac

ture

d ni

trog

en f

ertil

iser

Col 1

Fiel

d na

me

or

num

ber

Col 2

Area

on

whi

ch

man

ufac

ture

d ni

troge

n fe

rtilis

er w

ill b

e sp

read

(h

a)

Col 3

Opt

imum

am

ount

of

nitr

ogen

that

sh

ould

be

spre

ad (k

g)

Col 4

Tota

l am

ount

of c

rop

avai

labl

e ni

troge

n fro

m o

rgan

ic m

anur

e (k

g)

Col 5

Opt

imum

am

ount

of

man

ufac

ture

d ni

troge

n fe

rtilis

er

requ

ired

(kg)

Co

l 3 –

Col

4

Col 6

Actu

al a

mou

nt

of m

anuf

actu

red

nitro

gen

ferti

liser

th

at is

pla

nned

to b

e sp

read

(kg)

Col 7

Plan

ned

date

of

spre

adin

g

35

Co

lum

n 1

– e

nter

the

nam

e, n

umbe

r or

ref

eren

ce o

f th

e fie

ld. E

very

fiel

d on

the

hol

ding

whe

re m

anuf

actu

red

nitr

ogen

fer

tilis

er w

ill b

e sp

read

sh

ould

be

incl

uded

in t

his

colu

mn.

Co

lum

n 2

– e

nter

the

are

a of

the

fiel

d th

at w

ill r

ecei

ve m

anuf

actu

red

nitr

ogen

fer

tilis

er –

thi

s w

ill n

orm

ally

be

the

area

tha

t w

ill b

e cr

oppe

d (in

clud

ing

gras

slan

d)–buttakingintoaccou

ntnon

-spr

eadi

ng a

reas

– s

ee r

isk

map

at

Part

5.

Co

lum

n 3

– e

nter

the

opt

imum

am

ount

of

nitr

ogen

fer

tilis

er t

hat

shou

ld b

e sp

read

(usi

ng fi

gure

s fr

om T

emp

late

3.1

).

Co

lum

n 4

– e

nter

the

tot

al a

mou

nt o

f cr

op a

vaila

ble

nitr

ogen

tha

t w

ill b

e av

aila

ble

from

org

anic

man

ure

(usi

ng fi

gure

s fr

om T

emp

late

3.2

).

Co

lum

n 5

– e

nter

the

opt

imum

am

ount

of

man

ufac

ture

d ni

trog

en f

ertil

iser

req

uire

d. T

his

equa

tes

to t

he fi

gure

in C

olu

mn

3 m

inus

the

figu

re

in C

olu

mn

4.

Co

lum

n 6

– e

nter

the

am

ount

of

man

ufac

ture

d ni

trog

en f

ertil

iser

you

inte

nd t

o sp

read

. Thi

s sh

ould

be

equa

l to

or le

ss t

han

the

figur

e in

C

olu

mn

5.

Co

lum

n 7

– e

nter

the

pla

nned

dat

e of

spr

eadi

ng m

anuf

actu

red

nitr

ogen

fer

tilis

er.

36

Tem

plat

e 3.

4 –

Reco

rd o

f ac

tual

nitr

ogen

fer

tilis

er a

pplic

atio

ns

Fiel

d na

me

or

num

ber

Crop

(inc

ludi

ng g

rass

land

)Or

gani

c m

anur

e*M

anuf

actu

red

nitro

gen

ferti

liser

*

Type

Date

so

wn

Yiel

d (if

ar

able

) or

man

agem

ent

(if g

rass

)

Area

sp

read

(h

a)

Qua

ntity

sp

read

(t)

Date

(s)

spre

adM

etho

d of

sp

read

ing

Type

Tota

l ni

troge

n co

nten

t (k

g)

Avai

labl

e ni

troge

n (k

g)

Date

sp

read

Amou

nt o

f ni

troge

n sp

read

(k

g/ha

)

* Re

cord

s ar

e no

t re

quire

d fo

r fa

rms

satis

fyin

g th

e ex

empt

ion

crite

ria n

oted

at

foot

note

12

12 a

) in

any

cal

enda

r ye

ar 8

0% o

f th

e ag

ricul

tura

l are

a of

the

hol

ding

is s

own

with

gra

ss;

b)

the

tot

al a

mou

nt o

f or

gani

c m

anur

e ap

plie

d to

the

hol

ding

, whe

ther

dire

ctly

by

anim

al o

r by

spr

eadi

ng, i

s no

mor

e th

an 1

00kg

/ha;

c)

the

tot

al a

mou

nt o

f ni

trog

en in

man

ufac

ture

d ni

trog

en f

ertil

iser

app

lied

to t

he h

oldi

ng is

no

mor

e th

an 9

0kg/

ha; a

nd

d)

the

occ

upie

r do

es n

ot b

ring

any

orga

nic

man

ure

onto

the

hol

ding

.

37

Part 4 – The “Nmax” limit

The NVZ rules do not require you to specifically calculate the “Nmax” limit for the crops you intend growing13, therefore:

Q 4.1 Are you confident that the nitrogen application rates (from manufactured nitrogen fertiliser and organic manure14) noted in Part 3 will, on average for the total area of each type of crop grown on the holding, be less than the limits (taking permitted adjustments into account where necessary) set out in Table 4.1? If some or all of the crop available nitrogen is supplied by organic manure, then the total amount of nitrogen set out in Table 4.2 must be assumed15, with the percentage available nitrogen as set out in Table 4.3.

YES / NO

If “YES”, you can proceed to Part 5

If “NO”, you are advised to complete Calculation 4 below.

Table 4.1 – The “Nmax” limits

Crop Permitted amount of nitrogen

(kg/ha)a

Notes Standard Yield (t/ha)

Asparagus 150 n/a

Autumn or early winter sown wheat 220 b, c, d 8.0

Beetroot 350 n/a

Brussel sprouts 350 n/a

Cabbage 350 n/a

Calabrese 350 n/a

Cauliflower 350 n/a

Carrots 150 n/a

Celery 250 n/a

Courgettes 250 n/a

Dwarf bean 250 n/a

Field beans 0 n/a

Forage maize 150 n/a

Grass 300 f n/a

Leeks 350 n/a

Lettuce 250 n/a

Onions 250 n/a

Parsnips 250 n/a

13 Natural Resources Wales will check your compliance with the Nmax limit by inspecting your field records (see Part 3, Table 3.4).14 This rule now applies to all organic manures as opposed to livestock manure only under previous regulations.15 As an alternative to the figures in Table 4.2, the results of sampling and analysis can be used as long as this is done in accordance with Annex 1 of the

2014 NVZ Guidance Booklet.

38

Crop Permitted amount of nitrogen

(kg/ha)a

Notes Standard Yield (t/ha)

Peas 0 n/a

Potatoes 270 n/a

Radish 150 n/a

Runner beans 250 n/a

Spring sown wheat 180 c, d 7.0

Spring barley 150 c 5.5

Sugar beet 120 n/a

Swedes 150 n/a

Sweetcorn 250 n/a

Turnips 250 n/a

Winter barley 180 b, c 6.5

Winter oilseed rape 250 e 3.5

Notes to Table 4.1

a) An additional 80 kg/ha is permitted to all crops grown in fields if the current or previous crop has had straw or paper sludge applied to it.

b) An additional 20 kg/ha is permitted on all fields with shallow soil (other than shallow soils over sandstone).

c) An additional 20 kg/ha is permitted for every tonne that the expected yield exceeds that standard yield.

d) An additional 40 kg/ha is permitted to milling wheat varieties.

e) This is inclusive of any nitrogen that is applied as an exemption to the closed period for manufactured nitrogen fertiliser. The permitted amount may be increased by up to 30 kg/ha for every ½ tonne that expected yield exceeds standard yield.

f) An additional 40 kg/ha is permitted to grass that is cut at least three times per year.

39

Table 4.2 – Total nitrogen content of livestock manures

Manure other than slurry Total nitrogen in each tonne (kg)

Manure other than slurry from: Cattle Pigs Sheep Ducks Horses

6.07.06.06.57.0

Manure from laying hens 19.0

Manure from turkeys or broiler chickens 30.0

Slurry Total nitrogen in each m3 (kg)

Cattle 2.6

Pigs 3.6

Separated cattle slurry (liquid fraction): Strainer box Weeping wall Mechanical separator

1.52.03.0

Separated cattle slurry (solid fraction) 4.0

Separated pig slurry (liquid fraction) 3.6

Separated pig slurry (solid fraction) 5.0

Dirty water 0.5

Table 4.3 – Percentage of the total nitrogen content of livestock manures that is available for crop uptake

Type of livestock manureAmount of nitrogen available for crop uptake in the growing season in which it is spread

Until 31 December 2013 From 1 January 2014Cattle slurry 35% 40%Pig slurry 45% 50%Poultry manure 30% 30%Other livestock manure 10% 10%

Calculation 4

Complete Template 4.1. A separate template (photocopy or print additional sheets if need be) should be completed for each crop type grown on the farm. Guidance is provided below the Template.

If the figure in Box 4A is greater than the figure in Box 4B then the Nmax limit will not be exceeded for the crop and you will be compliant with NVZ rules.

If the figure in Box 4A is less than the figure in Box 4B then the Nmax limit will be exceeded for the crop and adjustments should be planned so as to avoid breaching NVZ rules.

40

Tem

plat

e 4.

1 –

“Nm

ax”

calc

ulat

ion

for

a pa

rtic

ular

cro

p ty

pe

Cro

p Ty

pe _

____

____

____

____

____

____

____

____

____

____

____

____

_

H

arve

st Y

ear

____

____

____

____

____

____

____

____

____

____

____

____

___

Col 1

Fiel

d na

me

or n

umbe

r

Col 2

Crop

ped

area

(ha)

Col 3

Nm

ax

(from

Ta

ble

4.1)

(kg/

ha)

Col 4

Tota

l Nm

ax

(kg)

Co

l 2 x

Col

3

Lives

tock

man

ure

nitro

gen

Col 1

0Pl

anne

d ni

troge

n fro

m

man

ufac

ture

d ni

troge

n fe

rtilis

er (k

g)

Col 1

1To

tal

avai

labl

e ni

troge

n Co

l 9 +

Co

l 10

Col 5

Type

(fro

m

Tabl

e 4.

2)

Col 6

Qua

ntity

to

be a

pplie

d (t)

Col 7

Tota

l nitr

ogen

co

nten

t (fr

om

Tabl

e 4.

2)

(kg/

tonn

e)

Col 8

Nitr

ogen

av

aila

bilit

y

Col 9

Crop

av

aila

ble

nitro

gen

Col 6

x C

ol 7

x

Col 8

/ 10

0

Tota

l per

mitt

ed n

itrog

en fo

r cro

p4A

Tota

l pla

nned

nitr

ogen

for c

rop

4B

41

Co

lum

n 1

– e

nter

the

nam

e, n

umbe

r or

ref

eren

ce o

f ea

ch fi

eld

grow

ing

the

spec

ified

cro

p.

Co

lum

n 2

– e

nter

the

cro

pped

are

a of

the

fiel

d in

hec

tare

s.

Co

lum

n 3

– e

nter

the

Nm

ax r

ate

(in k

g/ha

) for

the

cro

p as

spe

cifie

d in

Tab

le 4

.1 (a

djus

ted

if th

is is

per

mitt

ed in

the

not

es t

o th

e Ta

ble)

.

Co

lum

n 4

– e

nter

the

tot

al N

max

for

the

cro

pped

are

a in

the

fiel

d by

mul

tiply

ing

the

figur

es in

Co

lum

n 2

and

Co

lum

n 3

.

Col

umns

5 t

o 9

refe

r to

nitr

ogen

fro

m li

vest

ock

man

ure.

Co

lum

n 5

– if

live

stoc

k m

anur

e is

app

lied,

ent

er t

he t

ype

from

the

list

in T

able

4.2

. Use

sep

arat

e lin

es if

diff

eren

t ty

pes

are

appl

ied

to t

he s

ame

area

ann

ually

.

Co

lum

n 6

– e

nter

the

qua

ntity

to

be a

pplie

d to

the

cro

pped

are

a in

the

fiel

d.

Co

lum

n 7

– e

nter

the

tot

al n

itrog

en c

onte

nt (k

g/t)

of

the

lives

tock

man

ure

as s

et o

ut in

Tab

le 4

.2.

Co

lum

n 8

– e

nter

the

per

cent

age

of n

itrog

en t

hat

is a

vaila

ble

for

crop

upt

ake

as s

et o

ut in

Tab

le 4

.3.

Co

lum

n 9

– e

nter

the

am

ount

of

avai

labl

e ni

trog

en f

rom

live

stoc

k m

anur

e by

mul

tiply

ing

the

figur

es in

Co

lum

ns

6, 7

an

d 8

and

div

idin

g by

100

.

Co

lum

n 1

0 –

ente

r th

e pl

anne

d am

ount

of

nitr

ogen

tha

t w

ill b

e ap

plie

d as

man

ufac

ture

d ni

trog

en f

ertil

iser

– t

his

figur

e sh

ould

tal

ly w

ith C

olu

mn

6

of T

emp

late

3.3

.

Co

lum

n 1

1 –

ente

r th

e to

tal a

mou

nt o

f av

aila

ble

nitr

ogen

tha

t w

ill b

e ap

plie

d to

the

cro

p in

tha

t fie

ld b

y ad

ding

the

figu

res

in C

olu

mn

s 9

and

10.

Bo

x 4A

– e

nter

the

tot

al a

mou

nt o

f pe

rmitt

ed n

itrog

en f

or t

he c

rop

by t

otal

ling

the

figur

es in

Co

lum

n 4

.

Bo

x 4B

– e

nter

the

tot

al a

mou

nt o

f pl

anne

d ni

trog

en f

or t

he c

rop

by t

otal

ling

the

figur

es in

Co

lum

n 1

1.

42

Part 5 – Controlling the spreading of nitrogen fertilisers (includes manufactured nitrogen fertiliser, slurry and other organic manures)

Requirements for plans, calculations and records

What When

If you spread organic manure on your holding you must maintain (and keep a copy of) a map of the holding (a “risk map”).

Any changes must be updated on the risk map within three months.

The “risk map” must show:a) each field, with its area in hectares;b) all surface waters;c) any boreholes, springs or wells on the holding

or within 50 metres of the holding boundary;d) areas with sandy or shallow soils;e) land with an incline or greater than 12o;f) land within 10 metres of surface waters;g) land within 50 metres of a borehole, spring or well;h) land drains (other than sealed impermeable pipes);i) sites suitable for temporary field heaps, if this

method of storing manure is to be used, see Part 1;j) land that has a low run-off risk if such land is to be

used when calculating slurry storage requirements see Part 1.


If you spread organic manure within 6 to 10 metres of surface water (as allowed for under the rules regarding “Controlling the spreading of nitrogen fertiliser“ – see 2014 NVZ Guidance Booklet) the risk map must identify the relevant land.


Q 5.1 Do you spread organic manure on your holding?

YES /NO

If “NO” proceed to Part 6

If “YES”, you will need to prepare a “risk map” of your holding as outlined below:16

16 Note that the risk map can also be used to satisfy the requirements of other schemes and initiatives.

43

Step 1 – you will need a map (appropriate scales would be 1:2,500, 1:5,000 or 1:10,000) of your holding that shows:

• Everyfieldandeverywatercourse(includingditches);

• Theareaofeachfieldinhectares;

•Anyboreholes,springsorwells(includingthoseonneighboringlandwithin50mofyour boundary).

Step 2 – mark in red areas where NVZ rules prohibit spreading organic manure:

•Within10metresofeithersideofanywatercourse(includingditches).Ifyouintendspreading organic manure using precision spreading equipment 6 to 10 metres from a watercourse, you shouldcross-hatchthiszoneovertheareasshadedred;17

•Within50metresofanyspring,wellorborehole.

You should also mark in red other areas where it would never be appropriate to spread organic manure:

•Verysteepslopes;

•Anyareaswhereyoumaynotbeallowedtospread for reasons such as a tenancy agreement, an abatement notice due to smell, or a designantion (e.g. Site of Special Scientific Interest);

•Areascategorisedasa“wildlifehabitat”underanagri-environmentagreement(e.g. Glastir,Tir Cynnal, Tir Gofal), plus any other areas where an agreement prohibits spreading (e.g. buffer zones);

•Areaswherethesurfaceisrockyorunevensothatequipmentcannotbeusedeffectivelyorsafely;

• Fieldorpartfieldswhichinthelast12monthshavebeenpipedrained,moledrainedorsub-soiledover drains.

Step 3 – outline the boundaries of other areas where you would not normally spread and leave these areas white:

•Areasancillarytofarming(e.g.buildings,tracks,roads);

•Areasofwoodlandororchards;

•Areasthatareunsuitablebecauseoflocation(e.g.theyaretoofarfromthefarmstead)andare not normally used for operational reasons but may be brought into use at some point in the future.

Step 4 – identify and mark all other areas required by the NVZ rules:

•Areaswithsandy or shallow soils;

• Landwithaslopeofmorethan12o (equivalent to “20%” or “1 in 5”);

•Areaswithlanddrains(otherthansealedimpermeablepipes);

•Sites suitable for temporary field heaps, if this method of storing manure is to be used (see Part 1);

•Land that has a low run-off risk if such land is to be used when calculating slurry storage requirements (see Part 1).

17 Notetheexception(withassociatedconditions)onlandmanagedforbreedingwaderbirdsorasaspecies-richsemi-naturalgrassland–forfulldetailssee 2014 NVZ Guidance Booklet.

44

Step 5 – you can complete your risk map by including “very high risk” (orange) and “high risk” (yellow) areas that are generally included in manure management plans. These are areas where spreading can only occur under certain conditions or where rates should be restricted. Some areas of the farm will be unsuitable for spreading at certain times of year, particularly in winter. These could vary from year to year, but you must bear in mind the NVZ “closed periods” when no slurry or poultry manure can be applied to any land.

“Very high risk areas” cannot be used when certain conditions apply, but will usually be available at some times of year. For example, fields which cannot be used when they are at field capacity in winter but may be used in spring. However, they may also be at very high risk if the soil cracks over drains in summer.

“High risk areas” can be used for spreading at most times of the year, but application rates must be no more than 50m3/ha (4,500 gallons/acre) in a single application when certain conditions apply.

Number the orange areas on your map using the reasons and number key from Table 5.1 (below).

Table 5.1 – Identifying “very high risk” and “high risk” areas

Conditions leading to “very high risk” and “high risk” areas Colour on mapNumbers for orange areas1

Fields or part fields next to a watercourse, spring or borehole when the surface is severely compacted or waterlogged.2 Orange i

Fields or part fields that are likely to flood sometime in most winters. Orange ii

Fields or part fields next to a watercourse, spring or borehole when the soil is at field capacity3 (in winter) and there is:

• A steep slope; Orange iii

• A moderate slope and a slowly permeable soil (i.e. a clay soil or one through which water passes only slowly);

Orange iii

• A moderate slope and a well-drained soil; Yellow

• A slight slope and a slowly permeable soil. Yellow

Fields or part fields with effective pipe or mole drains.4 Yellow

Very shallow soils (less than 30 cm) over gravel or rock e.g. limestone, chalk, slates and shales.

Yellow

Notes

1. Key for numbered areas:

i. you should not spread on these fields when the surface is compacted or waterlogged;

ii. you should not spread when there is a risk of flooding;

iii. you should not spread when the soil is at field capacity i.e. when the soil is fully wetted.

2. Severely compacted is when rain stays on the surface after rainfall.

3. Field capacity is when the soil becomes fully wetted and more rain would cause water loss by drainage. This normally happens in the autumn and lasts until spring.

4. In addition, fields or part fields which in the last 12 months have been pipe drained, mole drained orsub-soiledoverdrainsshouldnotbeusedforspreading.

45

Part 6 – Importing or exporting livestock manure

Requirements for plans, calculations and records

What When

If you bring livestock manure on to a holding you must record:a) the type and amount of livestock manure;b) the date it is brought onto the holding;c) the nitrogen content; and, if knownd) the name and address of the supplier.

Within one week.

If you send livestock manure off a holding you must record:a) the type and amount of livestock manure;b) the date it is sent off the holding;c) the nitrogen content;d) the name and address of the recipient;e) details of a contingency plan to be used in the

event that an agreement for a person to accept the livestock manure fails.

Within one week.

If the nitrogen content of the livestock manure brought on to a holding is not known you must ascertain it.

As soon as is reasonably practicable and record within one week.

All nitrogen contents must be ascertained using either standard figures (see Part 2) or by sampling and analysis as set out in Annex 1 of the 2014 NVZ Guidance Booklet.

46

If you import on to or export livestock manure off the holding, enter the required records in the following box.

47

Page for Notes

48

Page for Notes

Documents

Nitrate Vulnerable Zones in Wales · After you have gone through this Workbook for the first time, there will be aspects that need to be completed at a later date or plans, calculations