Early-maturing oil cabbage has a short growing period and a fast growing speed. It should apply enough basic fertilizer. Generally, 1500-2000 kg of fermented pig manure or 750 kg of chicken manure is applied per mu, and 20-30 kg of compound fertilizer is mixed well with the soil. In the early stage of top-dressing, quick-acting nitrogen fertilizers are mainly used. In the middle and late stages, adding phosphorus and potassium fertilizers will help improve the yield and quality of rapeseed meal. Usually the first true leaf can be poured with 1 diluted fecal water or 3-5 kg ​​of urea per acre for raising the seedlings; the three-leaf period is combined with the seedlings for top dressing, and 20% of human fecal urine water per acre can be used for 1000-1500 kg or urea. 5 kg and compound fertilizer 10 kg mixed application; after every 5 to 7 days per mu can be used 30% to 40% of human waste water 1000 to 1500 kg or 10 kg of urea and compound fertilizer 20 kg mixed 1 time; to Stop fertilization when harvesting, harvest about 3 to 4 times during the whole growth period, and avoid fertilizers falling on buds to cause rotten buds. Pay attention to watering and keep your face moist.
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