在秋冬季或冬春季使用普通聚乙烯膜或聚乙烯耐老化膜时,膜面会密布水滴,常形成水珠滴落在作物上而诱发病害,同时使薄膜的保温性、透光性变差,影响使用效果。为改变这种状况,江苏省农科院蔬菜所于去冬今春引进试用聚乙烯膜喷涂型液体无滴剂效果明显。只要 In the autumn and winter or winter and spring use of ordinary polyethylene film or polyethylene anti-aging film, the membrane surface will be covered with water droplets, often forming drops of water dripping on crops to induce disease, while the film insulation, light transmission worse, Affect the use of results. To change this situation, Jiangsu Academy of Agricultural Sciences in winter and spring this year, the introduction of test-run liquid polyethylene film-free liquid drops no effect. as long as