April 30 2015, 1.14am EDT
By Jules Pretty and Zareen Pervez Bharucha, The Conversation
No insects here – and no insecticide either. FAO of the UN
Pesticides are intended to be harmful. They kill pests, diseases and weeds. But some also harm humans and wildlife. Pesticides are a huge global business, worth around US$45 billion. Each year, 3.5 billion kilogrammes of pesticides are applied to food crops and their use is growing. Much use of this use is at best ineffective and at worst outright harmful. Tiếp tục đọc “Cut pesticide use to boost yields? It’s worked for millions of farmers in Asia and Africa”
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