Source: By Mark Loux, Ohio State University; Bill Johnson, Purdue University
Marestail, also known as horseweed, competes with soybeans throughout the growing season, reducing crop yields. In a 2010 Ohio State University study, soybeans yielded 51 bushels per acre when burndown treatment failed to control emerged plants; 57 bushels per acre when the burndown was effective, but there was no residual herbicide; and 65 bushels per acre when the burndown was effective and effective residual herbicides were used.
Source: By Mark VanGessel, Extension Weeds Specialist, University of Delaware
I have had a number of calls about burndowns not being effective for no-till soybeans. Poor control can be attributed to a number of reasons, weeds were too large, gallonage was too low, and wrong products or adjuvants were used. But the question is what to do now.
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On this edition of Conservation Ag Update, brought to you by CultivAce, Gregg Sanford, Wisconsin Integrated Cropping Systems Trial manager, reveals how no-till is stacking up to other major systems in year 34 of the trial.
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