近年来,各种有色农膜已被广泛地应用到农业生产中来,有色农膜使用得当能起到增产、增收、防病的作用,可如果应用不当,则往往会适得其反,造成不良后果。因此,使用有色农膜一定要对路、得当。红色膜:在红色膜下培育的水稻秧苗生长旺盛;甜菜含糖量高;胡罗卜直根长得更大;韭菜叶宽而肉厚,收获期提前,产量增加。蓝色膜:主要适用于水稻育秧,有利于培育矮壮秧苗,还可用于蔬菜、棉花、花生、草莓、菜豆、茄子、甜椒、番茄、瓜类等经济作物,可较好地起到防除杂草的作用。黑色膜:杂草严重的地块或高温季节栽培夏萝卜、白菜、菠菜、 In recent years, various non-ferrous plastic sheeting has been widely applied to agricultural production. The proper use of colored plastic sheeting can play a role of increasing yield, increasing income and preventing disease. However, improper application of such non-ferrous plastic sheeting tends to be counterproductive and cause adverse consequences. Therefore, the use of colored plastic film must be on the road, proper. Red film: rice seedlings grown under the red membrane vigorous growth; beet high sugar content; carrot root straight longer; leek leaves wide and thick, early harvest, yield increased. Blue film: mainly suitable for rice seedling, is conducive to cultivating short sturdy seedlings, but also for vegetables, cotton, peanuts, strawberries, beans, eggplant, sweet pepper, tomatoes, melons and other cash crops, can better play a control The role of weeds. Black Film: Weeds Severe plots or high season cultivated summer radish, cabbage, spinach,