B. Fewer applications of pesticides and herbicides
Similarly, farmers expect that, as adoption of GM seeds increases, the use of
chemical pesticides and herbicides (and the costs associated with their
application) will decrease. Again, the research that is available generally supports
this expectation.
The study by ERS found a decrease of pesticide and herbicide use when farmers
adopted GM seeds. The decrease in pesticide use was significant.9
This decrease
in herbicide use was also significant (except for the herbicide glysophate, for
which the research revealed a significant increase).10
Other studies have not found a clear connection between the use of GM seeds and
decreased chemical use. For instance, the Iowa State University study discussed
above found that farmers' use of pesticides on GM crops remained "surprisingly
large." Farmers applied pesticides on 18% of non-GM crops and 12% of GM
crops.
B. Fewer applications of pesticides and herbicidesSimilarly, farmers expect that, as adoption of GM seeds increases, the use ofchemical pesticides and herbicides (and the costs associated with theirapplication) will decrease. Again, the research that is available generally supportsthis expectation.The study by ERS found a decrease of pesticide and herbicide use when farmersadopted GM seeds. The decrease in pesticide use was significant.9 This decreasein herbicide use was also significant (except for the herbicide glysophate, forwhich the research revealed a significant increase).10Other studies have not found a clear connection between the use of GM seeds anddecreased chemical use. For instance, the Iowa State University study discussedabove found that farmers' use of pesticides on GM crops remained "surprisinglylarge." Farmers applied pesticides on 18% of non-GM crops and 12% of GMcrops.
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B. Fewer applications of pesticides and herbicides
Similarly, farmers expect that, as adoption of GM seeds increases, the use of
chemical pesticides and herbicides (and the costs associated with their
application) will decrease. Again, the research that is available generally supports
this expectation.
The study by ERS found a decrease of pesticide and herbicide use when farmers
adopted GM seeds. The decrease in pesticide use was significant.9
This decrease
in herbicide use was also significant (except for the herbicide glysophate, for
which the research revealed a significant increase).10
Other studies have not found a clear connection between the use of GM seeds and
decreased chemical use. For instance, the Iowa State University study discussed
above found that farmers' use of pesticides on GM crops remained "surprisingly
large." Farmers applied pesticides on 18% of non-GM crops and 12% of GM
crops.
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