Sabtu, 30 April 2011

Impact of Genetically Engineered Crops on Farm Sustainability in the United States Pdf

Impact of Genetically Engineered Crops on Farm Sustainability in the United States
Author: Committee on the Impact of Biotechnology on Farm-Level Economics and Sustainability
Edition:
Binding: Paperback
ISBN: 0309147085

Since genetically engineered (GE) crops were introduced in 1996, their use in the United States has grown rapidly, accounting for 80-90 percent of soybean, corn, and cotton acreage in 2009. Download Impact of Genetically Engineered Crops on Farm Sustainability in the United States from rapidshare, mediafire, 4shared. To date, crops with traits that provide resistance to some herbicides and to specific insect pests have benefited adopting farmers by reducing crop losses to insect damage, by increasing flexibility in time management, and by facilitating the use of more environmentally friendly pesticides and tillage practices. However, excessive reliance on a single technology combined with a lack of diverse farming practices could undermine the economic and environmental gains from these GE crops. Other challenges could hinder the application of the technology to a broader Search and find a lot of medical books in many category availabe for free download. Impact of Genetically Engineered Crops on Farm Sustainability in the United States medical books pdf for free. To date, crops with traits that provide resistance to some herbicides and to specific insect pests have benefited adopting farmers by reducing crop losses to insect damage, by increasing flexibility in time management, and by facilitating the use of more environmentally friendly pesticides and tillage practices Other challenges could hinder the application of the technology to a broader



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