地膜覆盖花生是一项新引进的栽培技术。目前生产上应用的基本上是白膜,它的主要缺点是防草效果差。我们于1982和1983年进行了黑白相间膜除草效果的试验,以便为黑白相间膜大面积推广应用提供依据。 试验方法和经过 试验采用大连塑料研究所生产的黑白相间膜2064(宽黑条)、2065(黑白窄条相间)、黑色膜,以白膜为对照共四个处 Mulch is a newly introduced cultivation technique. At present, production is basically a white film, its main disadvantage is poor grass control effect. In 1982 and 1983, we carried out the experiment of weeding effect of black and white and white film in order to provide a basis for large-scale popularization and application of black and white film. Test methods and tests produced by the Dalian Institute of Plastics black and white white film 2064 (wide black bars), 2065 (black and white narrow bars and white), black film to the white film as a control a total of four