Field Crops Best Dressing Period

The best fertilizer period for corn: Under the principle of balanced fertilization, maize is the peak period of nutrient absorption after jointing until the big bell-mouth period, and the first fertilizer can generally be applied before and after jointing. Apply 10 kg of urea per acre; 7-10 days before tasseling, apply the second fertilizer, and apply 20 kg of urea per acre. If the base fertilizer and seed fertilizer are more abundant and the soil is very fertile, one can top-dressing and combine the second weeding for deep fertilization.

The best dressing period for rice: The uptake of nitrogen fertilizer by rice is gradually increased after returning green, and reaches the highest peak of fertilizer absorption during the peak period of tillering. In order to promote the early emergence of rice, early delivery, early application and re-appropriate sub-fertilizer. Usually 7-10 days after transplanting. Urea urea 10 kg per mu, heading and then topdressing urea 15-20 kg.

Gaochun best fertilizer: In order to meet the needs of sorghum from jointing to heading, it is necessary to recover the first fertilizer at the jointing stage and apply 8-12 kilograms of urea per acre; Per acre topdressing 10 kg of urea.

The best dressing period for peanuts: The critical period of nutrients for peanuts is in the early stage of reproduction. About 15 days after the emergence of peanuts, flower buds begin to differentiate and nodule formation begins. When two pairs of lateral branches appear in the plant, nitrogen fertilizer should be applied in a timely manner, and 5-10 kg of urea should be applied per acre. Peanuts combined with earth after flowering, spraying multi-element micro-fertilizer, will help reduce the empty fruit rate and increase peanut production.

Soybean best dressing period: Soybeans are more nitrogen-needed crops, but it can be solved by rhizobium nitrogen fixation. However, it is also necessary to top-dress during the growth period, usually applying nitrogen fertilizer once at the initial flowering stage of soybeans, which can reduce the rate of falling flowers and plants, and can prolong the life span of the plants, increase the grain weight, and increase the yield. Generally, 8-12 kg of urea can be topdressed per mu. In the period of soybean pods, if multiple fertilizers are applied to the leaves for one time, the yield increase effect is more obvious.

The best dressing period for sugar beets: Beets, after setting seedlings, quickly turn into a flourishing growth stage. Can be used in the early period of beet growth, topdressing 10 kg of urea per acre.

The best fertilizer period for potato is generally topdressing before potato flowering, while early-maturing varieties are suitable for top-dressing at seedling stage, middle and late-maturing varieties have better top dressing before budding, and topdressing 10 kg of urea and potassium sulfate per acre. 10 kg, not only can increase production, but also improve quality.

It should be noted that crops should be fertilized under the principle of balanced fertilization. Top dressing is only an important part of the fertilization scheme, and basal fertilization cannot be ignored.

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