农药:化解人类饥饿的魔药面对刺鼻的农药剂,人们很难掰着手指列数出它的种种好处,但它实实在在从害虫害鼠口里夺下人类耕耘的口粮。1949到1999的50年间,中国的粮食产量由1029kg/hm~2提高到4439kg/hm~2,用占世界7%的耕地养活了占世界23%的人口。有数据表明,如果不使用农药,中国粮食作物将减产20%以上,英国一位专家曾表明:假如中国没有化学农药进行病虫害防治,中国的农业收成将损失近7成。摆脱了靠天吃饭的传统农耕,化学农药成为增产防虫的主要农作手段。上世纪70年代,年年成灾的蝗 Pesticides: Potions to Resolve Hunger In the face of pungent pesticides, it is very difficult to count the number of fingers out its benefits, but it actually from the pest and mouse mouth to win the human cultivation of rations. In the 50 years between 1949 and 1999, China’s grain output increased from 1029kg / hm 2 to 4439kg / hm 2, feeding 23% of the world’s population with 7% of the world’s cultivated land. Statistics show that if pesticides are not used, China’s grain crops will be cut by more than 20%. One British expert has indicated that if China does not have chemical pesticides for pest and disease control, China’s agricultural output will lose nearly 70%. Get rid of the traditional farming rely on weathering, chemical pesticides to increase production of pest control the main means of farming. 70s of last century, every year disaster locusts