有色农膜的奇特功效农用薄膜的颜色不同，对光谱的吸收和反射规律不同，因而对作物的生长及杂草、病虫害、地温的影响也不一样。根据农作物的不同要求，选择适当颜色的农膜，可达到增产增收和改善产品质量的目的。蓝色膜：主要特点是保温性能好。在弱光照条件下，透光率高... Peculiar effect of colored agricultural film Agricultural film of different colors, the spectrum of absorption and reflection of different laws, and thus crop growth and weeds, pests and diseases, the impact of ground temperature is not the same. According to the different requirements of crops, choose the appropriate color of plastic sheeting, can achieve the purpose of increasing output and improving product quality. Blue film: The main feature is thermal insulation performance. In low light conditions, high light transmittance ...