<正>4年的试验研究表明,威尔柏 L(Velpar L)适用于造林前的整地及杉木林的抚育。它可以部分或完全防治芒箕及五节芒的严重草害,且施药方法简单有效。

A four-year test has showed that Velpar L herbicide is found suitable for site preparation, release of Chinese fir. Severe competitors in the region such as Dicranopteris dichotoma and Miscanthus floridulus are partially or totally controled by adequate rates of hexazinone. Application methods developed have turned out to be simple and effective.