1. Farming or Organic Chemical Using language

2. What is the substance we put on the soil which makes crops grow? It is fertilizer.

3. How many kinds of fertilizers do farmers use? There are two kinds. They are chemical fertilizers and natural ones. natural fertilizer from animal waste

4. chemical fertilizer Which kind do farmers use when they are doing organic farming? Do you know about organic farming?

5. ORGANIC FARMING Organic farming is simply farming without using any chemicals.

6. disadvantages D.The disadvantages of chemical fertilizers advantages B.The advantages of Organic farming C.Other methods to keep the soil fertile. Skimming 4mins A.Problems caused by chemical fertilizers. Skim and match the main idea with each paragraph. P1. P2. P3. P4.

7. 1.What problems can be caused by using chemical fertilizers? 2.Why are chemical fertilizers so popular in farming today? 3. What is organic farming? 4.What are organic farming methods according to the passage? 5.What is the main reason for using organic farming methods? Fast-reading 2m Read the passage fast and answer the following questions

8. 1. Damage the land by killing the helpful bacteria and pests as well as the harmful ones 2. Lead to cancer or other illness. 3. Food grown with chemical fertilizers look beautiful, but inside there is usually more water than vitamins and minerals. Q1: What problem can be caused by using chemical fertilizers? Detail comprehending

9. Q2: But why are chemical fertilizers so popular in farming today? They are a great way to stop crop disease and increase production.

10. Q3: What is organic farming? Organic farming means growing crops without using any chemicals.

11. Q4:What are organic farming methods according to the passage? ◆ Using _______ waste from animals as fertilizer ◆ Changing ______________ in each field every few years ◆ Using _____________ of soil to plant crops ◆ Planting _____ between crops grass natural the kind of crop different levels

12. Q4: What is the main reason for using organic farming methods? The main reason for using organic farming methods is to grow good food and to avoid damaging the environment or people’s health.

13. True or False 1.It is not harmful to use chemical fertilizers for a long time. 2.Chemicals can kill useful bacteria. 3.Vegetables growing too fast with chemical fertilizers may be of no good quality. 4.Organic farming can solve all the problems of pollution. 5. Organic farming can enrich the soil in the long run. T T F T F

14. Words preview chemical production bacteria pest nutrition mineral adj. 化学的；关于化学的 n. 生产；制造 n. 细菌 n. 害虫；害兽；害鸟 n. 营养；滋养；食物 n. 矿物；矿石

15. discovery focus soil reduce root n. 发现；发觉 n. 焦点；中心点 vt. 集中；聚焦 n. 土壤 vt. 减少；减缩 n. 根；根源 Words preview

16. skim underline summary comment vt. 浏览；略读 vt. 画底线标出；强调 n. 总结；摘要；概要 n. 评论；议论 vi.& vt. 表达意见 ; 做出评论 Words preview

17. Expressions preview build up lead to focus on keep… free from/of 逐渐增强 ; 建立 ; 开发 导致 ; 造成 ( 后果 ) 集中 ( 注意力，精力等 ) 于 使 … 免受 ( 影响，伤害等 ) ； 使 … 不含 ( 有害物 )

18. Thank you ！