甘薯地膜覆盖高产高效栽培理论与技术

Theories and Techniques of High-yield and High-efficiency Cultivation in Planting Sweet Potato Covered with Plastic Film

甘薯地膜覆盖栽培具有保温增温、保墒防涝、改善土壤理化性状、促进甘薯生长发育、提高甘薯产量的作用,通过采用"选择脱毒壮苗、深耕整地、平衡施肥、覆膜栽插、科学管理"等高产高效栽培技术栽培,可以取得显著的社会和经济效益。

The techniques for cultivation of sweet potato with plastic film covering has the advantages of maintaining and increasing temperature, preserving soil entropy, preventing waterlogging, ameliorating physical ＆ chemical characteristics of soil, enhancing the plant growth and increasing yield. It have an obvious social and economic benefit by using viruses-free seedlings, selecting lands and ploughing deeply, fertilizing evenly, covering seedlings with plastic film after transplantation and managing perfectly.