搜索结果: 1-1 共查到“农学 manual brushing”相关记录1条 . 查询时间(0.07 秒)
Profitability of manual brushing in young lodgepole pine plantations
Central Interior of British Columbia internal rate of return manual brushing profitability
font style='font-size:12px;'>
2010/8/31
Manual brushing is an important silvicultural tool commonly used to control competing vegetation in young conifer plantations. Yet little is known about the short-term economic benefits of one versus ...