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1 施肥技巧大白菜施肥原则是:整地重施有机肥,苗后分次巧追肥。追肥要掌握“少量多次、前少后多、分期供给”。肥后及时浇水,以达到肥水均匀,充分发挥肥效。1.1 重施有机肥大白菜生长期长、生长量大,需要肥效持久、充分腐熟的农家肥作底肥。一般施用腐熟有机肥7.5万～12.0万kg/hm~2、三元复合肥600kg/hm~2,不仅肥效持久,而且还能改良土壤。1.2 巧施提苗肥大白菜播种后8～10d拉“十”
Fertilizer 1 cabbage fertilization principle is: site preparation of heavy organic fertilizer, seedling subtly Qiao fat. Top dressing to master “small number of times, less than before, staging supply ”. Fertilizer timely watering, fertilizer and water to achieve even, give full play to fertilizer. 1.1 re-application of organic fertilizer Chinese cabbage growth period, the growth of large, need long-lasting fertilizer, full maturity of Manchurian as base fertilizer. The general application of decomposed organic fertilizer 75,000 ~ 120,000 kg / hm ~ 2, ternary compound fertilizer 600kg / hm ~ 2, not only long-lasting fertilizer, but also improve the soil. 1.2 Qiao Shi mention Miao cabbage after sowing 8 ~ 10d pull “ten ”