薄膜地面覆盖栽培,是六十年代以后,随着超薄聚乙烯农膜的出现而迅速发展起来的一项农业栽培新技术。日本是这项栽培技术开发研究和推广应用最早的国家,覆盖栽培面积居世界第一位。据1977年统计:日本地面覆盖栽培面积已达到20万公顷,占农作物种植面积的16％,保护地的地面覆盖面积达到90％。在日本,地面覆盖栽培着重应用在产值高,收益大, Film ground cover cultivation, is sixty time later, with the emergence of ultra-thin polyethylene film and the rapid development of an agricultural cultivation of new technologies. Japan is the earliest developing country for cultivation technology research and popularization and application, and its coverage of cultivation area ranks first in the world. According to statistics of 1977, the area of ​​ground cover cultivation in Japan has reached 200,000 hectares, accounting for 16% of the area planted with crops and the ground cover area of ​​the protected areas has reached 90%. In Japan, ground cover cultivation is mainly applied in high output value, large income,