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Dholera Soil ReclamationDholera Soil Reclamation
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Dholera Soil ReclamationDholera Soil Reclamation
Erstwhile flourishing Port of Dholera, Erstwhile flourishing Port of Dholera, Gujarat, IndiaGujarat, India
Barren Uncultivable LandBarren Uncultivable Land High Soil SalinityHigh Soil Salinity Lack of DrainageLack of Drainage
Dholera Soil ReclamationDholera Soil Reclamation
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Soil SamplingSoil Sampling
Land SurveyLand Survey
Dholera Soil ReclamationDholera Soil Reclamation
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Soil SamplingSoil Sampling
Dholera Soil ReclamationDholera Soil Reclamation
SampleSample TBCTBC AzotoAzoto PSBPSB HalophileHalophile pHpH OC%OC% NaCl %NaCl %
Soil Soil samplesample
> 10> 1077 NONO NONO NONO 7.77.7 0.90.9 8.08.0
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Dholera Soil ReclamationDholera Soil Reclamation
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Dholera Soil ReclamationDholera Soil Reclamation
ABCDE
5m5m 5m5m 5m5m
5m5m
5m5m5m5m
5m5m
1% Acid Wash1% Acid Wash Water WashWater Wash
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Raised Bed FormationRaised Bed Formation
Dholera Soil ReclamationDholera Soil Reclamation
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Water Wash Water Wash Plot A, B & CPlot A, B & C
Dholera Soil ReclamationDholera Soil Reclamation
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1% Acid Wash Plot D & E
1% Acid Wash Plot D & E
Dholera Soil ReclamationDholera Soil Reclamation
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Control PlotControl Plot
Dholera Soil ReclamationDholera Soil Reclamation
Ploughing 6” soil
Allow 24 to 48 hrs sun drying
Soil Washing Soil Washing
Impound 20kl water 1st~24 hrs Impound 20kl water 2nd~24hrs Impound 20kl water 3rd~24hrs
Crop Sown Sesbania sp (green manure crop)
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Dholera Soil ReclamationDholera Soil Reclamation
Ploughing 6” soil
Allow 24 to 48 hrs sun drying
Soil WashingSoil Washing
Impound 20kl water 1st~24 hrs Impound 20kl water 2nd~24hrs Impound 20kl water 3rd~24hrs
Crop Sown Sesbania sp (green manure crop)
Gypsum Gypsum PlotPlot
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Dholera Soil ReclamationDholera Soil Reclamation
Soil WashingSoil Washing
Impound 20kl water 1st~24 hrs Impound 20kl water 2nd~24hrs Impound 20kl water 3rd~24hrs
Crop Sown Sesbania sp (green manure crop)
Ploughing 6” soil
Allow 24 to 48 hrs sun drying
Celrich+ Celrich+ PlotPlot
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Dholera Soil ReclamationDholera Soil Reclamation1% Acid Treatment1% Acid Treatment
Spraying 100 ltr on surface
Soil WashingSoil WashingImpound 20kl water 1st~24 hrsImpound 20kl water 2nd~24hrs Impound 20kl water 3rd~24hrs
Crop Sown Sesbania sp (green manure crop)
Ploughing 6” soil
Allow 24 to 48 hrs sun drying
Celrich+PloCelrich+Plott
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Dholera Soil ReclamationDholera Soil Reclamation1% Acid Treatment
Spraying 100 ltr on surface
Soil WashingSoil WashingImpound 20kl water 1st~24 hrs Impound 20kl water 2nd~24hrsImpound 20kl water 3rd~24hrs
Crop Sown Sesbania sp (green manure crop)
Ploughing 6” soil
Allow 24 to 48 hrs sun drying
Celrich + Celrich + Gypsum Gypsum
PlotPlot
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Dholera Soil ReclamationDholera Soil Reclamation
Plot A – Water Wash - Control PlotSample TBC Azoto PSB Halophile pH OC% NaCl%
Soil sample > 107 NO NO NO 7.7 0.9 8.0
Control plot 1.0 X 107 2.0 X 104 NO NO 8.4 1.77 0.22
18days of sowing 1.3 X 109 5.0 X 105 NO NO 8.4 0.32 0.21
After 2months >109 1.0 X 104 NO NO
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Plot B – Water Wash - Gypsum
Dholera Soil ReclamationDholera Soil Reclamation
Sample TBC Azoto PSB Halophile pH OC% NaCl%
Soil sample > 107 NO NO NO 7.7 0.9 8.0
150kg gypsum 1.5 X 109 3.0 X 104 3.0 X 104 NO 7.9 0.43 0.43
18days of sowing
1.0 X 109 3.0 X 104 1.0 X 104 NO 7.8 0.33 0.15
After 2months 1.0 X 109 4.0 X 105 NO NO
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Plot C – Water Wash - Celrich+
Dholera Soil ReclamationDholera Soil Reclamation
Sample TBC Azoto PSB Halophile pH OC% NaCl%
Soil sample > 107 NO NO NO 7.7 0.9 8.0
150kg Celrich [C] 4.5 X 109 3.5 X 104 1.0 X 104 NO 8.1 1.0 0.32
18days of sowing 2.0 X 1010 1.0 X 105 1.0 X 104 NO 8.6 0.65 0.11
After 2months >109 3.0 X 104 1.0 X 104 NO
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Plot D - 1% Acid Wash – Celrich+
Dholera Soil ReclamationDholera Soil Reclamation
Sample TBC Azoto PSB Halophile pH OC% NaCl%
Soil sample > 107 NO NO NO 7.7 0.9 8.0
150kg Celrich >109 4.0 X 104 1.0 X 104 NO 8.0 1.77 0.34
18days of sowing 1.5 X 109 2.0 X 104 1.5 X 104 NO 7.7 1.0 0.76
After 2months 1.4 X 109 1.0 X 105 1.0 X 104 NO
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Dholera Soil ReclamationDholera Soil Reclamation
Plot E - 1% Acid Wash – Celrich + GypsumSample TBC Azoto PSB Halophile pH OC% NaCl%
Soil sample > 107 NO NO NO 7.7 0.9 8.0
100kg Cel+50kg Gyp
1.8 X 109 3.0 X 104
7.0 X 104
NO 7.6 0.9 0.33
18days of sowing 7.0 X 109 6.0 X 104 5.0 X 104 NO 7.8 0.59 0.11
After 2months 1.3 X 109 8 X 104 1.0 X 104 NO
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Dholera Soil ReclamationDholera Soil Reclamation
Sample TBC Azoto PSB Halophile
pH OC% NaCl%
Soil sample > 107 102 + NO NO 7.7 0.9 8.0
Celrich sample 5.4 X 109 4.0 X 105 3.0 X 104 NO 7.5 8.7 0
Gypsum sample
NO NO NO 4.4 0 0
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System 1: Big Beds & Channels (BBC)
Croppingarea Cropping
area
Slope < 0.8% towards a sub or main drain
10 m 10 m 10 m
1 m
Ideal for areas close to sea, up to about 10 km from the sea and water table is in less than 2 m from the ground
50% area can come under cultivation with in 2 to 3 years & increase to 75% over years
Dholera Soil ReclamationDholera Soil Reclamation
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System 2: Broad Bed & Furrow (BBF)
Slope < 0.8% towards a sub or main drain
Croppingarea
Ideal for areas beyond 10 km from the sea and water table is more than 2 m from the ground
Almost 100% area can come under cultivation within 2 to 3 years
1.5 m
Dholera Soil ReclamationDholera Soil Reclamation
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Thank You
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Project Economics ~ System 1:BBCArea : 50 haProject year : 1st 2nd 3rd TotalLand Preparation: 37.50 37.50 5000sqm@Rs.25x.6m=Rs.75000x50he
Soil Amendment: 5.25 3.50 1.75 10.506T@Rs.3500 per ton x 50he
Green Manure: 0.40 0.40 0.40 1.2040kg@Rs20x50hex3yr
Crop Production nil 1.25 1.25 2.50Rs. 2500 x 50he
Capacity Building 2.82 1.88 1.88 6.5870day x Rs.5000=Rs.3.5+Rs.1.68
Total Cost 45.97 7.03 5.28 58.28
Administrative Exp 4.60 0.70 0.53 5.83
Project Cost Project Cost 50.57 50.57 7.73 7.73 5.81 5.81 64.1164.11
Main & Sub-drainage cost not included in above estimation
Dholera Soil ReclamationDholera Soil Reclamation
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Project Economics ~ System 2:BBFArea : 50 haProject year: 1st 2nd 3rd Total
Rs. in Lacs Rs. in Lacs Rs. in Lacs Rs. in Lacs Land Preparation: 16.25 16.25 10000sqm@Rs.2.5=Rs.25000x50he
Soil Amendment: 10.50 7.00 3.50 21.0012T@Rs.3500 per ton x 50he
Green Manure: 0.75 0.75 0.75 2.2575kg@Rs20x50he x3 yr
Crop Production nil 2.38 2.38 4.76Rs. 4750 x 50he
Capacity Building 2.82 1.88 1.88 6.5870day x Rs.5000=Rs.3.5+Rs.1.68
Total Cost 30.32 12.00 8.51 50.83
Administrative Exp 3.03 1.20 0.85 5.08
Project Cost Project Cost 33.35 33.35 13.2113.21 9.36 9.36 55.9155.91
Main & Sub-drainage not included in above estimation
Dholera Soil ReclamationDholera Soil Reclamation
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Project Benefits ~ Saline Soil Reclamation Project
Unit System 1: BBC ~ System 2: BBFProject Cost Rs. in Lacs 64.11 55.91Crop Cultivation Rs. In Lacs/ 10 yrs 9.63 18.29Interest Rs. in Lacs / 10 yrs 8.18 17.50Total Cost 81.91 91.70
Employment Opportunity 37.50 3.75Balance Cost Rs. in Lacs / 10 yrs 44.41 87.95
Revenue Generation Rs. in Lacs /10 yrs 126.60 253.20Net Revenue Rs. in Lacs / 10 yrs 82.19 165.25 Annualized ROI 18.50% 18.78%
Revolving Fund Rs. in Lacs / 10 yrs 49.26 87.97Income Distribution Rs. in Lacs /10 yrs 32.93 77.29
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