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秸秆回铺压草模式即棉花、玉米、桑园、果园、西瓜、番茄等行间,小麦及大蒜等蔬菜类播种后在其表面覆盖1层秸秆,让其自然腐烂。一、小麦田覆盖秸秆小麦从播种到四叶期均可覆盖,但以播种后和分蘖初期覆盖较好,盖草量以150～250公斤/亩为宜,但以250公斤/亩风干草最经济有效。盖草前应整平畦面,细碎土壤,施足底肥。播后苗前喷1次除草剂。秸秆可整草或切断铺撒,力求均匀,同时结合清沟理墒,将碎土压于草上。二、棉田行间铺盖草棉田盖草适宜时间为6月中下旬,盖草量在150～250公斤/亩。盖草前应完成中耕除草、追施蕾肥和培土等管理措施。
Straw back to the shop Press the grass pattern that cotton, corn, mulberry, orchards, watermelons, tomatoes and other lines, wheat and garlic and other vegetables after sowing on the surface covered with a layer of straw, let the natural decay. First, the coverage of wheat straw field from sowing to four-leaf stage can be covered, but after sowing and early tillering coverage is better, covered with grass to 150 ~ 250 kg / mu is appropriate, but to 250 kg / mu of wind hay most Cost-effective. Cover the grass before leveling flat noodles, finely ground soil, Shi enough base fertilizer. Spray seedlings before spraying a herbicide. Stalks can be cut through the grass or cut to spread evenly, at the same time with the Qing ditch soil moisture, the crushed earth pressure on the grass. Second, the cotton fields covered with grass covered cotton grass Suitable time for the mid-to-late June, covering the grass in 150 ~ 250 kg / acre. Grass cover should be completed before cultivating weeds, topdressing Lei Fei and soil cultivation and other management measures.