How to fertilize wheat scientifically

First, base fertilizer. Before the planting, in combination with ploughing and soil preparation, arid land can be applied to the plow at the end of the plow, and then the soil can be turned over. The soil can be weighed heavily. The soil can be spread first and then plowed and the fertilizer can be turned into the soil. High-yielding fields generally use 45% compound fertilizer 40-50 kg per mu, and conditions can be mixed with farmyard fertilizers for better results. In low-yield fields, 45% compound fertilizer 30 to 40 kg can be applied.

Second, fertilizer. Generally, 4 to 5 kg of compound fertilizer can be applied per acre at the time of sowing to avoid excessive usage and ensure that all seedlings are broadcast.

Third, top dressing.

(I) Turn green and get fat. For the weaker wheat, the combination of watering and topdressing during the greening and raising stage will be used for top dressing, and high-nitrogen compound fertilizer or nitrogen fertilizer will be applied for 15-20 kg per acre to increase effective tillering and to obtain sufficient number of mu spikes.

(b) joint fertilizer. For high-yielding and high-yielding fields, combining 20 to 30 kg of high-nitrogen compound fertilizer per acre in jointing stage at the jointing stage can reduce ineffective tillering, promote stalk robustness, and increase the ability of wheat to resist lodging.

(c) Fertility panicle fat. Conditional plots, in the booting stage combined with irrigation of high-nitrogen compound fertilizer 7 to 10 kilograms, can effectively reduce the deterioration of small flowers, increase the number of grains per spike.

(d) foliar fertilizer. In the early stage of wheat filling combined with the control of wheat ear blast, spraying 1% urea and 0.2% potassium dihydrogen phosphate solution 30-40 kg per acre can effectively improve the ability of wheat to resist dry hot wind, delay leaf senescence and increase grain weight. To achieve the purpose of increasing production.

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