苗圃使用草甘膦、克芜踪化学除草剂效果初探

Weed Control Trial with Glyphostl and Paraqual in Nursery

在侧柏、油松和杨树育苗地,采用草甘膦和百草枯进行化学除草试验的结果表明,除草效果均达90％以上。草甘膦持效时间在60d以上,百草枯为30d。同人工除草相比,节省费用54.6％～71.2％、用工73％～90％。

Describes an efficiency of over 90% on weed control trial with glyphosate and paraqual in seed-beds or cutting-beds of Platycladus orientalis, Pinus tabulae formis and poplars. The effectiveness may persist 60 and 30 days respectively. Compared with manual weed control the chemical control method can save 54.6 - 71.2 percent of the cost and 73-90 percent of man-power.