地膜棉“膜心旱”的原因与预防徐京三，陈玉杰山东潍坊市棉办王培智，王树明，姜秀春山东诸城市棉办２６２２００诸城市是老棉区。推广地膜覆盖栽培技术达１５年之久。但在生产实践中，棉花覆盖地膜后，膜下土壤失水和种子落干的现象，也时常发生，有的甚至造成严重缺苗断... Mian membrane cotton “membrane heart drought” causes and prevention Xu Jing three, Chen Yujie Weifang City Cotton Office Wang Peizhi, Wang Shuming, Jiang Xiuchun Cotton Town, Zhucheng, Shandong Province 262200 Zhucheng is the old cotton area. Promotion of plastic film mulching cultivation technology for 15 years. However, in the practice of production, cotton covers the plastic film, the phenomenon of soil moisture loss under the film and the seeds fall dry, often occur, and some even caused serious lack of seedlings cut off ...