For farmers and researchers, a field is often like a giant chemistry set. The timing and amounts of different fertilizers to supply nutrients can interact with each other, the soil and crops.
Understand fertilizer, crop interactions
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Potatoes emerge in mounded rows at the study site in Hermiston, Oregon. The study focuses on examining the timing of potassium chloride absorption in potato fields. After potatoes are harvested, the stems and leaves are usually left in the field. That can increase the risk of elevated chloride in the soil but is avoided by applying potassium chloride in the fall.
Rows of potato plants emerge from the soil and soak up the sun at the study site in Hermiston, Oregon. Layby fertilizer treatments were applied 35 days after planting. Potato plants had emerged but had not closed canopy at the time of the fertilizer application.
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