蔬菜卧栽就是把菜苗卧栽在沟里，沟上面覆盖农膜。这层农膜开始作为天膜，早熟栽培起到了防霜作用，苗子顶股时，把苗从膜内掏出来，这层膜又作为地膜，做到一膜两用。这项技术比地膜直接覆盖提早定植15天左右，一般增产在30％以上。具体做法是：1．提早整地施肥卧栽地块因是早 Vegetable vegetable lying is the vegetable seedlings lying planted in the ditch, ditch above covered with plastic sheeting. This layer of plastic film began as a heavenly membrane, precocious cultivation played a role in frost, the top seedling stocks, the seedlings pulled out from the film, this film and as a film, so that a dual-use film. This technology covers the area 15 days earlier than the direct mulching of the mulching film and generally increases the yield by more than 30%. The specific approach is: 1. Early land preparation fertilizers lying plot because it is early