摘要
国营象牙山林场于１９９４～１９９６年在幼林抚育中全面推广化学除草技术，应用面积达１５５０ｈｍ２以上，除草率达９２％以上，与人工抚育相比，提高工效１．５倍，节约资金４０％，大大减轻水土流失，为幼林创造有利的生长环境。
Chemical herbicidal techniques were extensively used for tending of young plantations in Xiangyashan Forest Farm, Guangdong province from 1994 to 1996. The total area was 1 550 hm 2 and the weeding rate was above 92%. Compare with manual tending, the working efficiency was 150% higher, the cost was 40% less. It reduced the water and soil losses, created a more favorable environment for the young trees as well.
出处
《广东林业科技》
1997年第3期47-50,共4页
Forestry Science and Technology of Guangdong Province
关键词
化学除草
幼林抚育
效益
杉
松
chemical herbicide application, tending of young plantation,efficiency
