Science news articles about 'soybean yields'

(PhysOrg.com) -- Current atmospheric ozone levels are already suppressing soybean yields, according to Agricultural Research Service (ARS) scientists and university cooperators studying the effect of ...

... two-year conventional system. Corn and soybean yields were as high or higher in the LEI systems ... conventional system, and matched or exceeded average yields on commercial farms in Boone County. Further ...

... length and complexity. The study revealed that corn and soybean yields in organic systems were, on average, 76 ... crop rotation that included corn, soybean, wheat and hay resulted in average corn grain ...

CHAMPAIGN, Ill., June 12 (UPI) -- A University of Illinois study finds some U.S. farmers planting or replanting corn and soybeans after June 20 might see yields decline by half.

... expensive management decisions that significantly affects soybean yield. Few scientists, however, have studied the ... dates. As the temperature increased during R6 soybean growth stage (full seed) oil ...

... example, probably won't impact soybean yield and early use of insecticides could actually kill ... -central states. By 2005, 22 percent of soybean acreage nationally was being treated for the sap-sucking ...

... an increase use of inputs and the adoption of GMOs. In 2007, the historical records for soybean yield and price in Argentina were reached, to some extent due to the sharply escalating biofuels demand ...

... rising as quickly as supply, he added. Yields for major field crops in major producing ... likely see continuing increases, according to Huffman. Soybean yields in Iowa also are increasing, although less ...