１．对播前耕整地的要求机械铺膜作业前，进行精细耕整地，以达到深、平、细、净的要求，即耕作层深厚，上虚下实，松土层厚度应大于８ｃｍ；田头死角必须耕透耙平，不许有漏耕；地表平整，无较大土块；地表及表层土下８ｃｍ以内无根茬、杂草和废膜；将农家肥结合播前浅耕... 1. The requirements of pre-sowing before sowing mechanical mechanical filming operations, the fine tillage, in order to achieve the deep, flat, fine, net requirements, that is tillage layer deep, the virtual reality, the thickness of loose soil should be greater than 8cm; Dead ends must be planted rake flat, not allowed to have missed tillage; surface formation, no large clods; surface and top soil within 8cm without stubble, weeds and waste film;