秋覆膜技术是秋季覆膜春季播种技术的简称,即在当年的秋季或冬前雨后,土壤含水量最高时,抢墒覆膜,第二年春季再种植作物的一项抗旱节水技术。秋覆膜技术以秋雨春用,春墒秋保为目的,与春覆膜相比,延长了地膜覆盖时间,保持了土壤水分,具有蓄秋墒、抗春旱、提地温和增强作物逆境成 Autumn film technology is the abbreviation of the autumn planting spring sowing technology, namely in the autumn or winter before the rain, when the highest soil moisture, grab moisture plastic film, the next spring planting a drought-resistant water-saving technology . Autumn film technology to autumn spring, spring moisture autumn for the purpose, compared with the spring film, to extend the mulching time, maintain the soil moisture, with autumn moisture storage, drought resistance, to enhance the crop stress into a mild