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三棱草怎么除根除草剂
更新时间: 2020-10-29 00:00:00  

水稻未播种时可选草甘膦喷施,根据三棱草的大小以及抗性,适当进行加量。水稻播种后可采用苗前封闭以及苗后除草的办法进行,苗前先用丙草胺之类封闭除草剂喷施,苗后使用灭草松喷施。

除草剂(herbicide)是指可使杂草彻底地或选择地发生枯死的药剂,又称除莠剂,用以消灭或抑制植物生长的一类物质。其中的氯酸钠、硼砂、砒酸盐、三氯醋酸对于任何种类的植物都有枯死的作用。

关键词: 怎么 除根 除草剂

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