Farmers planting diverse crops to increase their yield.
Contamination of US rice crops with Bayer's genetically-engineered (GE) rice impacted rice markets and cost farmers hundreds of millions of dollars in damages.
Monsanto's genetically engineered (GE) "Round-up Ready" soya yields 5 to 10 percent less than natural varieties, costing farmers billions of dollars every year.
Monsanto's genetically engineered (GE) cotton varieties sold to Colombian farmer failed in 2008-9, proving susceptible to pests and to herbicide, farmers had been earlier told would improve yields.
Overuse of the herbicide glyphosate for Monsanto's genetically engineered (GE)crops has lead to increasing resistance to the chemical among weeds in the US.
Crops genetically engineered to produce herbicide have repeatedly lead to the development of herbicide resistance among weeds, and also have many unpredictable impacts on ecosystems.
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