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菅草(Themeda triandra Forsk)是果园的多年生宿根恶性杂草,繁殖速度快,我省果园受害严重。本试验主要研究草甘膦最佳的喷洒时期和最适浓度。材料和方法 供试除草剂为
Themeda triandra Forsk is a perennial perennial weedy orchard that breeds very fast and the orchard in our province suffers serious damage. This experiment mainly studied glyphosate optimum spraying period and optimum concentration. Materials and methods Herbicide tested