Topping fertilizer to "three look"

The amount of fertilizer needed for wheat from jointing to booting usually accounts for about 50% of the total fertilizer requirement. At this time, if there is sufficient soil at the end of this year, and general jointing fertilizer is applied, it is easy to grow large grains, many grains, and full grains. Before returning to green manure in the wheat field for some time, it is also necessary to apply joint fertilizer. To apply good wheat joint fertilizer must be "three look."

A look at seedling fertilization. The growth of the jointing wheat seedlings is usually divided into three types, and the corresponding top dressing and management measures are adopted. For over-emergence seedlings with soft, broad-leaved leaves, nitrogen fertilizers should not be topdressed. Control measures should be taken to control the length of the water. For strong and long-lasting green leaves, apply adequate or small amount of nitrogen fertilizer; Weak seedlings should be given more nitrogen fertilizer. Second, look at the variety fertilization. Dwarf, fertilizer-resistant and lodging-resistant varieties can be applied in appropriate amounts; high-stalked and non-fertility-resistant varieties should be used less frequently. Three to fertilize. Insufficient base fertilizer, poor land plots, should be more than appropriate Shi; fertilizer, stamina enough foot field, can be less or not Shi; joint before the seedlings have been sitting yellow or withered tips, can be applied earlier.

Glutamic acid, is an acidic amino acid. Molecules containing two carboxyl groups, chemical name for α-amino-pentanedioic acid. Glutamic acid was discovered by lisuoxun in 1856, is a colorless Crystal, fresh, slightly soluble in water, soluble in hydrochloric acid, isoelectric point 3.22. Abound in cereal protein, animal content in the brain and more. Glutamic acid in vivo protein metabolism plays an important role in the process, participating in many important chemical reactions in animals, plants and micro-organisms. Msg containing small amounts of glutamic acid.

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