Wax fertilizer has skill

Winter crops usually include wheat, rape, green manure, and castor. How do winter crops rationally apply wax fertilizer?

1. Look at the growing situation of the crop and the condition of the leaf color. The application of the fertilizer can not be carried out in a one-size-fits-all manner. It depends on the growth of the winter crop and the condition of the leaf color. Dark-green long-grained seedlings should not be applied to wax fertilizer. The green leaves should be applied with less or no wax, and the thin green-yellow seedlings should be reused.

2. Look at the fertility of the soil. For the plots with high fertility and adequate fertility, less or no fertilization can be applied; P and K should be added to plots with low fertility, low base fertilizer or no plots; Organic fertilisers should be added to the plots where fertilisers are applied. Do not indiscriminately apply fertilizer to prevent the crops from becoming too long after the spring season, causing winter crops to fall or late-maturing lust to reduce production. The application of paraffin fertilizer to sandy soil is repeated several times to prevent loss of fertilizer leaching.

3. See crop types The application of wax fertilizer must vary from crop to crop. 1 The application of rapeseed wax: The manure and phosphorus fertilizer should be mixed and rotted. Each 667 square meters of field is applied with 1500 kilograms to the rapeseed line, combined with earthworms, and applied in late December to early January of the following year. Early maturing rape varieties should be applied earlier than late mature rape varieties due to early spring development. 2 The application of wheat wax fertilizer should be applied in the middle and late December. It is advisable to apply the soil miscellaneous fertilizer to strong seedlings, while the weak seedlings and the late-maturing wheat should be mixed with appropriate amount of phosphate fertilizer in the soil miscellaneous fertilizer. In general, about 2,500 kilograms of soil and fertilizer are applied or applied every 667 square meters. 3 The application of green manure fertilizer: 150 kg to 250 kg of ash or a thin layer of pigs and cattle manure are applied per 667 square meters of field. 4 The application of castor wax fertilizer: The application amount should account for about 50% of the annual fertilization amount, about 5,000 kg of field compost per 667 square meters of field fertilizer and about 2,500 kg of pig, cowshed manure, and be applied before frost as snow. it is good.

4. According to the weather conditions, when the temperature is lower, the delayed manure, compost, pond mud, ash or animal and manure will be applied. When the temperature is high, grab the easily decomposable urea, ammonium chloride, ammonium bicarbonate and other fertilizers. Under low temperature conditions, ammonium bicarbonate evaporates less and can be quickly absorbed and utilized by overwintering crops when applied to soil. At the same time, ammonium bicarbonate is cheaper than urea. Wheat and rape are topped with 25 kg to 30 kg of ammonium bicarbonate per 667 square meters.

5. Organic fertilizers and chemical fertilizers are well-matched, such as decomposed pig dung and human waste. Fermented pond mud, river mud, old brick soil, fire and earth ash, and cake fat are all high-quality organic fertilizers. Fecal urine plus nitrogen fertilizer-based, promote seedling thick; strong seedlings should be pond mud, soil-based miscellaneous fertilizer. If you use cake fat, 667 square meters Datian Shi 40 kg ~ 50 kg is appropriate. Organic fertilizers used as wax fertilizers should be concentrated in the roots to prevent excessive concentrations of fertilizers around the roots of the crops during the drought, resulting in reverse osmosis and physiological water loss, resulting in the death of winter crops. If a drought occurs after the application of wax fertilizer, it should be combined with water drought, water to fertilizer, the effect is better. (Cao Dihuan Cai Mengchu)

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