As the saying goes: the head of the radish, the second mustard, the autumn planted cabbage. At present, it is time to plant autumn cabbage, and timely harvest good autumn cabbage to ensure high quality and high yield. The main points of cultivation techniques for autumn Chinese cabbage are as follows:
Generally, the land with good fertilizer and water conditions is high, late and medium mature; the land with poor fertilizer and water conditions is short and early mature.
Fertilization
The whole land should be fine, combined with land preparation, 5000 kg of high-quality farmyard manure, 20 kg of diammonium or 50 kg of superphosphate, 25 kg of potassium sulfate or 30 kg of ternary compound fertilizer. After the land preparation is completed, the ridge is 30 cm wide, the groove width is 30 cm, and the height is 15 cm.
Suitable sowing
The sowing period of autumn cabbage is generally 1~2 days before and after “Liuqiuâ€, that is, around August 8th, the premature disease is heavier and the yield is too late. On the ridge, the planting distance is 35 cm (the live seeding does not need to slow down the seedlings).
Field management 1. Management of seedling stage: watering one water after sowing, and then pouring water in time according to weather conditions to prevent high temperature and drought from affecting seedling growth. Cultivate in time after watering or after rain. 2. Management of rosette period: 10 kg of urea is applied in the mu, and water is poured in time after fertilization. 3. Management of the balling period: 15 kg of urea is applied to the acre, and water is poured every 5 to 6 days to keep the soil moist and the water supply uniform. Stop watering 8 days before harvesting to prevent the water from being too large and causing decay.
Prevention and control of pests and diseases
Control of Chinese cabbage disease: control virus disease with virus No. 1 oil emulsion 500 times solution; control downy mildew with 40% ethyl phosphate aluminum 300 times solution; control soft rot with 150ppm agricultural streptomycin sulfate; spray with 0.7% sulfuric acid Manganese control of Chinese cabbage dry heart disease.
Prevention and control of Chinese cabbage pests: using 90% trichlorfon 100 times liquid to prevent jumping armor; using 10% imidacloprid 1500 times liquid to control aphids; using BT emulsion to control cabbage caterpillars.
This article URL: How to fertilize high yield of Chinese cabbage in autumn
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