1981年我们进行了地膜覆盖栽培西瓜试验,取得了良好的效果,现将方法及效益介绍如下。 一、材料和方法 采用0.02毫米厚的极薄聚氯乙烯塑料薄膜。每亩用量约30斤。供试西瓜品种为蜜宝。以覆盖地膜为处理区,不覆盖为对照区,对比排列,3次重复。 西瓜于3月27日催芽播种,采用营养钵纸 In 1981 we carried out the cultivation of plastic mulching watermelon test and achieved good results, now the methods and benefits are as follows. First, the material and method 0.02 mm thick ultra-thin polyvinyl chloride plastic film. About 30 pounds per mu amount. Test watermelon varieties for the honey treasure. To cover the film as the treatment area, not covered as a control area, contrast arrangement, 3 times repeated. March 27 germination of watermelon sowing, nutrition bowl paper