This information was summarized from a June 28 teleconference with ISU extension field specialists in crops. Scattered rain fell during the past week and ranged from none to 2 inches. Crops are growing rapidly. In a few areas that did not receive rain, moisture stress is beginning to show. Observations of potassium deficiency continue. These symptoms occurred most often in areas of fields with compacted soils, shallow-planted crops, or in no-till fields.
Iowa State University
Hornstein, Joyce, "Potato leafhopper above threshold" (1999). Integrated Crop Management News. 2209.
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