冬季蔬菜巧防寒

• 作 者: 任志
• 出 处: 北京农业
• 发表日期: 2010年34期
• 关键词: 冬季蔬菜 蔬菜幼苗 低温冻害 氮肥用量 速效氮肥 菜苗 田间水 根系活力 天气晴朗 农药混用

覆盖在霜冻来临前的下午,用秸秆、稻草等覆盖在菜厢和蔬菜上,可减轻霜冻对蔬菜的伤害。每667米2稻草100千克,要稀稀散放,切不可将蔬菜全部盖住,以免影响光合作用。培土封冻前结合中耕,用碎土培土壅根,既可提高土温,又可保

Cover the afternoon before the advent of the frost, with straw, straw and other vegetables covered in vegetables and vegetables, can reduce the damage of vegetables on the frost. Each straw 667 2 100 kg, to be sparsely dispersed, must not cover all the vegetables, so as not to affect the photosynthesis. Cultivation of soil before freezing combined with cultivating, soil crushed soil embankment root, both to improve soil temperature, but also Paul