太空甜椒

dry Water supply

exhausted fertilizer

natural fertilizer

chemical fertilizer

animal waste

What is organic farming?

Organic farming means growing crops without chemical fertilizers .

Task 1 skimming

Task 2 Detailed reading1. What are the advantages of

using the natural waste?

2.What are the disadvantages of using the chemical fertilizers?

2.What are the disadvantages of using chemical fertilizers?

1)Leaving chemicals …… is not good for …….

2) Farmer often grow …… year after year.

…… gets exhausted.

3) Chemical fertilizers kill …… bacteria and pests.

3.In what ways do the organic farmers develop the soils?

1). They change the crops …...

2). They plant …… the different levels of …...

3) They plant the grass …… to prevent ……

What kind of fertilizer do our farmers use?

Task 3 Listening

As you listen to this dialogue, keep in mind what you have just read about chemical fertilizers. What is the main topic of the conversation?

The possible bad effects of chemical fertil

izers on the fruit and vegetables that we

eat today.

Listen to the dialogue a second time.

Decide if the following statements are

true or false, according to the conversat

ion.Give your reasons

1 Paul thinks that Carrie is not telling him the truth.2 Using chemical fertilizers always makes vegetables empty inside.

As you listen to this dialogue, keep in mind what you have just read about chemical fertilizers. What is the main topic of the conversation?

The possible bad effects of chemical fertil

izers on the fruit and vegetables that we

eat today.

• 3 Today’s fruit is not as healthy

for people as fruit fifty years ago.

• 4 Eating more vegetables might not always be good for us.

• 5 All of today’s vegetables look healthy but in fact are not.

T

F

T

Task 4 Do the job

• Persuade the farmers in our county to grow the crops by organic farming with the knowledge learnt .

What is organic farming ?

What fertilizer should they use? Why?

…… How to plant the different crops?

Dialogue

You are the producer of the green food, your partner is the customer who doesn’t know much about the green food. You should find the reasons to sell the green fruits or the green vegetables to him or her.

Task5

Green fruits

Task 6 Group work

• Make a poster for your “green food”. Try to tell the safety and importance of

this kind of food.

Buy the Best Apples HereWe only sell green food in this farm shop! Best choice at best price! Green food is safe and healthy for you and all the family.

Look:

1. No chemical ferlitizers.

2.Grown in clean air

4.No pestcides to poison your family.

You and your family will stay fit and healthy if you eat green food. This is one step on the road to a healthy diet.

3. Grown with clean water.

Home work

I. Design a poster of the green food for a shop.