棉花地膜覆盖栽培,能调整和改善棉花赖于生存的土壤生态条件,表现在它具有增温保墒、防盐保苗、培育壮苗、加速生育进程和提高产量等良好作用。不仅适于各种土质的高水肥地,而且也适于旱作棉田和轻、中度盐碱地。我们在河南省商丘地区试验示范表明,中上等水肥地覆膜,棉花单产一般200斤左右, Cotton film mulching cultivation, can adjust and improve cotton ecological soil survival conditions depends on the performance of its role in warming soil moisture, seedlings to prevent salt, nurturing seedlings, to speed up the process of fertility and increase production and other good effects. Not only suitable for all kinds of soil high water and fertilizer, but also suitable for dry cotton fields and light, moderate saline land. Our demonstration in Shangqiu area of ​​Henan Province shows that medium and top-grade water and fertilizer are coated and cotton yield is generally about 200 kg,