地膜覆土栽培技术,是在普通地膜覆盖基础上,在后期温度高时再在膜上加盖一层土的新技术。这种技术,除具有普通地膜覆盖所产生的增温、保湿、增光、保肥的良好效应外,覆土后还能起到降温、除草、防涝的作用。另外,还有便于地膜回收利用,避免污染的优点。栽培技术如下。 Mulch cultivation techniques, is in the ordinary film mulching on the basis of high temperature in the latter part of the film and then covered with a layer of soil new technology. In addition to the good effect of warming, moisturizing, adding light and keeping fertilizer produced by normal film covering, this kind of technology can also play a role of cooling, weeding and waterlogging after being covered. In addition, there is the advantage of easy film recycling, to avoid pollution. Cultivation techniques are as follows.