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冬季露地蔬菜生产与管理技术一、土壤管理1.秋冬深耕可使土壤风化,提高肥力,减少病虫害。一般深度为20～30厘米。2.地面覆盖冬季菜地覆盖稻草、有机肥或薄膜,具有保温防寒、节水防旱、防止杂草生长的作用。3.土壤改良结合深耕施有机肥改良土壤,提高土壤肥力。一般每亩施腐熟有机肥2000-3000公斤。对于多年生蔬菜,如韭菜、黄花菜、香椿等冬季是施基肥时期。4.土壤水分管理冬季气候干旱时,在秋
Winter vegetable production and management of open field I. Soil Management 1. Winter plowing can make the soil weathering, improve fertility, reduce pests and diseases. The general depth of 20 to 30 cm. 2. Ground cover Winter vegetable cover straw, organic fertilizer or film, with insulation cold, water and drought, prevent the growth of weeds. 3. Soil improvement combined with deep plowing of organic fertilizer to improve the soil, improve soil fertility. Generally applied per acre maturity organic fertilizer 2000-3000 kg. For perennial vegetables, such as leeks, day lilies, toon and other winter is the base period. 4. Soil moisture management Winter climate drought, in autumn