Because of this, it has been used as a safe microbial insecticide for over 50 years to control pest caterpillars. Bt insecticides are popular with organic farmers because they are considered ...
Dively and his colleagues compared data on sweet corn, peppers, and green beans grown in the Mid-Atlantic region of the U.S. in the 20 years before Bt maize was introduced to the 20 years that ... and ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果