日本最近研制一种用于预防蔬菜病虫害的地膜。此膜没有添加任何农药成分,而是利用昆虫色彩的反应原理设计制造的。薄膜以透明或黑色为基底,沿其纵长方向均匀排列着银色宽条,对菜蚜有趋避 Japan recently developed a film used to prevent pests and diseases of vegetables. This film does not add any pesticide ingredients, but the use of insect color design and manufacture of the reaction principle. The film is transparent or black based, along the longitudinal direction of its uniform arrangement of silver wide strip, aphids have a tendency to evade