Wheat: See seedling fertilization by classification

After the wheat turns green, the growth becomes vigorous and the absorption of nutrients gradually increases. Therefore, topdressing jointing booting fertilizer is a top priority. According to different types of wheat fields, different fertilization measures should be adopted.

A type of wheat field where the total stalks per mu has reached about 800,000, the plants are healthy, the leaf color is normal, and the color does not turn yellow. Do not fertilize and water immediately after turning green to prevent excessive growth and consumption of excessive nutrients, which is not conducive to high yield in the later period. Field measures are mainly "protection", before and after the jointing period of wheat, fertilization and watering, which is the so-called nitrogen post-fertilization method, is conducive to high yield of wheat.

Wheat fields that are planted too late, have poor fertility conditions and insufficient base fertilizer; wheat seedlings are short in winter and have few tillers; plants are weak when turning green, leaves are yellow, and the total number of stems per mu is less than 400,000 three types of wheat fields; or the straw is returned to the field without watering Overwintering water, the soil is loose and ventilated, the water evaporates strongly, the soil is dry, and the wheat fields with the phenomenon of hanging roots of the wheat seedlings should be poured back into green water in time and applied back green fertilizer.

It should be emphasized that choosing the right fertilizer is very important! First, do not use or use less organic fertilizers. As the saying goes: Fertilize the land in captivity, and use chemical fertilizers to promote seedlings. Due to the low temperature in early spring, the decomposition of farmyard manure is slow, which cannot meet the nutrient needs of wheat. Second, quick-acting chemical fertilizers should be applied, because chemical fertilizers have fast effects and can timely supply the needs of wheat growth and development. You can apply 10 to 15 kilograms of urea per acre, and pour it into green water. On this basis, foliar fertilizer can be sprayed once to promote new roots, cold resistance, drought resistance, and disease resistance, which is conducive to the transformation of weak wheat seedlings into strong seedlings. Third, pay attention to weak seedlings in some high-yield fields when fertilizing, and eccentric fertilizer should be applied.

Sowing too early or too much, and the emergence of prosperous wheat, after turning green, we must adopt "control"-based measures, use more hoeing, try not to water, and squat the seedlings.

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