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1、英 语 必修4 Unit 2 Working the land Unit 2 Working the land 英 语 必修4 Unit 2 Working the land Organic farming 随着社会的发展 有机农业越来越受到人们的青睐 英 语 必修4 Unit 2 Working the land The methods of organic farming combine the knowledge of ecology and modern agricultural technology with traditional farming practices This ty
2、pe 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 vegetables and fruits 英 语 必修4 Unit
3、2 Working the land Organic fertilizers are an important part of an organic farmingoperation becausethefertilityof thesoil 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 fertilize
4、rs 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 use of c
5、hemical 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 英 语 必修4 Unit 2 Working the land Organic farming has become one of the fastest growing trends of the
6、 agricultural industry around the world recently Today the vision of organic farming as ecologically sustainable 可持续的 agriculture practiced by small farmersisheadedtowardmore largescalefarming operations to provide large amounts of healthy food 英 语 必修4 Unit 2 Working the land True T or False F 1 Organic farming is a combination of modern agricultural technology with traditional farming practices 2 Organic fertilizers are less environmentally friendly than chemical fertilizers 答案 1 T 2 F 谢谢观看
