秸秆压草还田模式即在棉花、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一层秸秆,让其自然腐烂。这些秸秆还田后对改土、防旱、抑制杂草、提高作物产量均有显著效果,可使作物的产量平均增产达13%～14%,增产率多在10%～15%之间。1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 Straw pressure grass return pattern that is cotton, corn, mulberry, orchards, watermelons, tomatoes and other rows, after sowing vegetables such as wheat and garlic in its surface covered with a layer of straw, let the natural decay. After returning straw to the soil, these stalks have significant effects on soil improvement, drought control, weed suppression and crop yield improvement, which can increase the yield of crops by 13% ~ 14% on average and increase the yield by more than 10% ~ 15%. 1 wheat field straw cover from sowing to four-leaf stage can be covered, but after sowing and early tillering cover better cover