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1.精细整地,镇压保墒 在往年深耕的基础上,播种时必须镇压提墒,打碎土块,精细整地,做到土壤上虚下实、疏松绵软。土壤含水量在18％～20％以上方可进行地膜覆盖栽培。
1. Fine preparation of soil, repression of soil moisture plowing in previous years on the basis of deep plowing, planting must suppress soil moisture, broken clods, fine preparation of soil, so that the soil under the virtual reality, loose and soft. Soil moisture content of 18% ~ 20% or more before the film mulching cultivation.