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通过试验比较不同钾肥施用量和使用方法对玉米青枯病的防治效果和增产效果,初步明确应用氯化钾17.5～20kg/667m2做基肥,对病害的控制作用和增产效果均比较理想。
Through experiment comparing the control effects and yield increasing effects of different potassium application rates and using methods on corn bacterial wilt, the application of potassium chloride 17.5 ~ 20kg / 667m2 as base fertilizer was clarified initially. The control effect on the disease and yield increase were all ideal.