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有的农民朋友在给农作物施肥中,由于用肥不当,技术欠妥,致使肥料利用率不高,用肥成本增加,甚至使作物受害而导致减收。其主要表现如下:钙镁磷肥作追肥。钙镁磷肥在水中不易溶解,肥效缓慢,作追肥特别是在农作物生长的中期以后追肥,其利用率较低,效果也差。正确施用方法是:钙镁磷
Some farmers and friends in the fertilization of crops, due to improper use of fertilizers, technical defects, resulting in fertilizer utilization is not high, the cost of fertilizer increased, or even crop damage caused by the reduction. Its main performance is as follows: Magnesium phosphate fertilizer for topdressing. Calcium magnesium phosphate fertilizer is not easy to dissolve in water, fertilizer is slow, topdressing especially in the mid-crop growth after the fertilizer, the utilization rate is low, the effect is poor. Correct application method is: calcium magnesium phosphate