Soybean School: Patrolling for waterhemp and other herbicide-resistant pigweeds

Those green plants sticking out of the crop — are they regular redroot pigweed, or a much nastier pigweed species, such as waterhemp, or even Palmer amaranth? This has become an increasingly common question for farmers and agronomists on the eastern side of the Canadian Prairies as waterhemp that’s resistant to multiple herbicide groups continues... Read More