A U.S. court has nullified the government's latest approvals of certain agricultural weedkillers sold by Bayer, BASF and Syngenta, fueling uncertainty among farmers who spray the products on soybeans and cotton genetically engineered to resist them.

EPA violated procedures mandating public input, judge rules
Results 'have not achieved development goals we set'
Performance complaints earlier this spring led the company to switch gears on a recently debuted protection product
The company cut ammonia output last September and will now reduce further
Automaker and BASF both plan CAM plants at Becancour
Steer clear of non-Clearfield canola, durum, canary seed in rotations, company says
Companies' GM soybeans jockey for market share