论文部分内容阅读
目前,在保护地栽培中,国产农膜在湿度较高、棚内外温差较大的情况下,棚内薄膜表面易形成雾气、水滴,棚内湿度增高,降低透明度,影响作物生长。如采用无滴薄膜,成本比普通农膜增加一倍,且防水滴效果仅有3个月左右。我们用普通农膜喷洒面粉作为防水滴剂,经试验、示范,成本低,效果好。该剂配制方法:用普通喷雾器每壶水(14
At present, in the protective cultivation, domestic agricultural film in the humidity is high, the temperature difference between inside and outside the shed is large, the shed film surface easy to form mist, water droplets, greenhouse humidity increased, reducing transparency, affecting crop growth. Such as the use of drip film, double the cost of ordinary plastic sheeting, and waterproof drip effect is only about 3 months. We use ordinary agricultural film spray flour as a waterproofing agent, the test, demonstration, low cost, good effect. The preparation method of the agent: using ordinary sprayer water per pot (14