有色膜对光谱的吸收和反射规律不同,对各种农作物的生长及对杂草、病虫害、地温的影响也不一样。因此,有色膜不能乱用。 黑色膜:高温季节或杂草严重的地块栽培夏萝卜、秋黄瓜、白菜、菠菜、晚西红柿,选用此膜效果好。 绿色膜:此膜一般用于菜豆、茄子、瓜类、草莓、甜椒、西红柿等蔬菜和其它经济作物,可较好地起到 Color film on the spectrum of absorption and reflection of different laws on the growth of various crops and weeds, pests and diseases, the impact of ground temperature is not the same. Therefore, colored film can not be used indiscriminately. Black film: hot season or weeds plot cultivation summer radish, autumn cucumber, cabbage, spinach, late tomatoes, use this film effect is good. Green film: This film is generally used for beans, eggplants, melons, strawberries, bell peppers, tomatoes and other vegetables and other cash crops, can play better