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地膜覆盖栽培不仅被应用在甘薯早收上,而且对于普通收获的红皮品种(通用名金时)也因覆盖薄膜使初期生育良好、提高品质、取得高产而被应用。1.聚乙烯薄膜地面覆盖栽培的特点为了早收必须早栽。地温17～18℃时是栽苗适期。利用聚乙烯薄膜地面覆盖能提高地
Film mulching is not only applied to early harvesting of sweet potatoes, but also applied to common reddish cultivars (common name) in terms of good early growth, improved quality and high yield due to the covering film. 1. The characteristics of polyethylene film ground cover cultivation in order to early harvest must be planted early. Ground temperature 17 ~ 18 ℃ is planted Miao appropriate period. Use of polyethylene film can improve ground coverage