有色农膜多种多样，使用方法各不相同。掌握各种有色农膜在农作物上的科学使用方法，可取得显著的增产效果。红色膜实践证明，在红色膜下增育的水稻秧苗生长旺盛；甜菜含糖增加；胡萝卜直根长得更大；韭菜叶宽肉厚，收获期提前，产量提高。黄色膜据试验，用黄色膜覆盖黄瓜... A wide range of colored plastic sheeting, using different methods. Grasping a variety of colored plastic sheeting in the scientific methods of crop use, can achieve significant yield increase. The practice of red film proved that rice seedlings growing under the red membrane grew vigorously; the sugar content of sugar beet increased; the root length of carrot grew bigger; the leek leaf was thick and fleshy, the harvest period was advanced and the yield was increased. Yellow film according to the experiment, covered with yellow film cucumber ...