... . Researchers at Iowa State University are experimenting with the placement of perennial prairie strips in corn and soybean fields as a way of lessening runoff and soil ...
... plants were being switched on at higher or lower levels than those of the soybeans grown at current CO2 levels. Rather ... . This open-air research lab can expose a soybean field to a variety of atmospheric CO2 levels ...
... feed, and about a third is exported, according to government figures. Soybean fields could be left insecticide-free in the Midwest ... -central states. By 2005, 22 percent of soybean acreage nationally was being treated for the sap-sucking ...
... to North America. This pest only began to infest soybean fields about 10 years ago but are now ... investigated the relationship between the type of rhizobia colonizing soybean plants and the plants' infestation with the aphids. "Our results ...
... in GEOFORUM analyses the consequences of the emergence of glyphosate resistance in johnsongrass, a weed that is affecting GM soybeans fields in northern Argentina ...
... rotation. (Rather than remaining true to cornfields, rotation-resistant rootworms also will lay their eggs in soybean fields and other rotated crops, allowing the larvae ...
... County in Minnesota. The second comes from that bastion of fun and civilization among Iowa's corn- and soybean fields, Iowa City (where I ...
... tall with sparsely hairy stems and pale-green irregularly nicked leaves. (When it grows in a soybean field, it overtops the crop and can reduce yields ...
... a bedrock principle of integrated pest management. The result is a biological diversity desert in many corn and soybean fields in the agricultural Midwest, and signs that the surviving ...
... . To determine the best way to attract ladybugs to soybean fields, researchers planted buckwheat strips ... in the buckwheat did little to change their populations in the soybean fields." Ultimately, natural habitat proved ...
... mitigate climate change, but it doesn't appear to be so." They also studied the effect on a wheat and soybean field. In this experiment, Cheng said elevated levels ...
... has reduced substantially the expected yield of corn and soybean fields for the fall 2012 U.S. harvests. With reduced yield, prices have risen rapidly for these crops ...
... of two regions The Oxisol and Ultisol soils in the soybean fields of Brazil's Mato Grosso state ... much phosphorus. Until 2000, the researchers found, soybeans were drawing more phosphorus out of the soil than farmers were adding ...
... they reach adulthood, when they have been known to move into commercial soybean fields. These mature adults lay eggs ... to feeding on kudzu -- they were able to feed exclusively on soybeans, reach maturity and reproduce. "Researchers began ...
... forested, as well as watersheds that are now entirely soybean cropland, allowing for a comparison. "We were surprised to find ... -moving environment of change. Right now, most soybean fields are not fertilized with nitrogen. But that will change because ...
