磷肥过量弊病多氮、磷、钾是作物生长所必需的大量营养元素，而且只有在三者保持一定比例的情况下，才更有利于作物的正常生长。如施磷过量，易造成作物缺锌，导致作物营养生长和生殖生长失调，植株矮小，抗逆、抗病能力差，易发生白粉病、条锈病，使作物产量降低。那么，... Excessive disadvantages of phosphorus fertilizer Nitrogen, phosphorus and potassium are a large number of nutrient elements necessary for crop growth, and only in a certain proportion of the three cases, it is more conducive to the normal crop growth. Such as phosphorus overdose, easily lead to zinc deficiency in crops, leading to vegetative growth and reproductive growth disorders, short plants, resistance to disease, disease resistance is poor, prone to powdery mildew, stripe rust, reducing crop yields. Well, ...