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2017-2018学年人教课标高一英语必修4背景资料:UNIT 2 WORKING THE LAND 拓展阅读 ORGANIC FARMING .doc

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1、Organic farmingOrganic farming is a wonderful endeavor (尝试) for anyone who would like to grow beautiful and tasty vegetables on their own land in an environmentally friendly way. The methods of organic farming combine the knowledge of ecology and modern agricultural technology with traditional farmi

2、ng practices. This type of farming uses many different methods to improve the fertility (肥沃程度) of the soil. Contrary to popular belief, organic farming can compete with traditional farming practices quite effectively in growing corn, soybeans, wheat and other grains as well as many types of vegetabl

3、es and fruits.Organic fertilizers are an important part of an organic farming operation because the fertility of the soil is important to healthy and productive crops. Organic fertilizers are made from many different types of naturally occurring substances (物质). The advantages to using organic ferti

4、lizers are many. One of the main benefits is that these fertilizers and soils are proven to be better for your health as well as the environment and will not affect the size of your yield. Organic fertilizers also have the advantage of not having certain problems associated with the regular heavy us

5、e of chemical fertilizers. Because of their natural makeup, organic fertilizers increase physical and biological nutrients in soils and help the soil to keep them, thus reducing the risks of over-fertilization.Organic farming has become one of the fastest growing trends of the agricultural industry around the world recently. Today, the vision of organic farming as ecologically sustainable (可持续的) agriculture practiced by small farmers is headed toward more large scale farming operations to provide large amounts of healthy food.

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