Patches of premature soybean yellowing offer management clues
An Aug. 31 windshield cruise around northeast Iowa showed many yellowing areas in otherwise still-green soybean fields. Uniform yellowing and leaf drop indicates maturity, but the patchy areas can offer signals of nutrient deficiency, too much or too little moisture, or disease symptoms. A current and knowledgeable report on how to read the signals was recently […]
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