Overwintering winter wheat, freezing, ingeniously applying fertilizer

Winter wheat suffers freezing injury. If it is suitable for the winter season, it can be used as a fertilizer when the weather is warm during the winter. After returning green, the control of the water fertilizer should be changed as the fertilizer and water spurt so as to make up for the loss of winter freezing. If a wheat field that has been jointed before the winter is subjected to freezing damage during the wintering period, the cracks should be taken from 12 noon to 2 p.m. on sunny days to crush the jointed main stem and tiller to promote the growth of small tiller, combined with top dressing for cultivating Wheat grows safely and securely. The specific operation is as follows: topdressing nitrogen fertilizers in time to promote the rapid growth of small tillers. The wheat stems that have been frozen in the main stalks and the Oita are used to recover fertilizer in two separate applications. After the first thawing in the field, topdressing quick-acting nitrogen fertilizer, applying 10 kg of urea per acre, drilling seedlings to open the ditch, in order to improve fertilizer efficiency, lack of water in the wheat fields. Phosphorus can promote the growth of tillers and roots. P deficiency wheat can be mixed with urea and diammonium phosphate. The second time in the jointing stage of wheat combined with water-saving pouring, applying 10 kg of urea per acre. Generally frozen wheat fields (with only frozen leaves, no dead phenomenon) should be plucked early in the early spring to increase the temperature, promote the return of green wheat seedlings, and top-dressing watering, improve the rate of tillering and spike formation.

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