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
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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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
ข้างต้น พบว่า เกษตรกรใช้ยาฆ่าแมลงในพืชจีเอ็มยังคง " จู่ ๆ
ขนาดใหญ่ . " เกษตรกรใช้ยาฆ่าแมลง 18% ไม่ใช่จีเอ็มพืชและพืชจีเอ็ม
12 เปอร์เซ็นต์
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