General Manifestations Of Excessive Nitrogen Fertilizer

The general manifestations of excessive nitrogen nutrition in crops are: too luxuriant growth, continuous birth of axillary buds, too many tillers, hindering the normal development of reproductive organs, and delaying maturity, dark green leaves, tender and juicy stems and leaves, and soluble non-protein nitrogen in the body. If the content is too high, it is easy to be damaged by diseases and insect pests, and it is easy to lodging. The grains of cereal crops are not full (low thousand-grain weight), and there are many grains; the rotten bolls of cotton increase, the boll shells are thick, and the quality of cotton fibers decreases; the sugar content of sugarcane decreases; Potato tubers become smaller, legumes have luxuriant branches and leaves, less pods, and crop yields decrease.