In contrast, the imperforate film mulching method is a way to cover the topsoil with the film fixed by compacted soil on its ends when the crop is planted beside the film. 地膜覆蓋無孔種植法，用地膜平鋪於表土，邊沿用土壓緊封閉，將莊稼種在地膜旁邊，膜下土壤中的水分和熱量不易散失，卻容易吸收外界水分，因此，莊稼增產不比傳統覆蓋法少。
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