Potassium Deficiency or Dry Soil? Why Corn and Soybeans Turn Yellow in August
Yellow leaves in August can create an expensive sense of urgency. A grower sees firing along corn leaf edges or yellowing around soybean leaflets and recognizes a familiar pattern: potassium deficiency. The natural response is to consider applying potassium quickly. Sometimes the field is truly deficient. In other cases, the soil contains adequate potassium but […]