n.重新植林

A reafforestation programme has favoured spruce, pines larches and fir. 再造林工程更青睞北美云杉、松樹(shù),落葉松和冷杉。

Finally,some suggestions were also presented on future research,policies and management demands in reafforestation projects on farming steep lands. 并對(duì)退耕還林工程中的科技支撐、管理與政策措施提出了建議.

Based on 3 years locating and semi-locating observation, the amount of soil loss in runoff from yellow soil of hilly areas by de farming and reafforestation in Guizhou province. 通過(guò)3年定位、半定位觀測(cè),對(duì)貴州山區(qū)退耕還林(草)地進(jìn)行采樣并采用無(wú)界徑流小區(qū)法收集地表徑流樣品,探討貴州山區(qū)退耕還林(草)措施對(duì)貴州山區(qū)土壤養(yǎng)分流失以及水土保持效益的影響。

Zhang L X, He Y.De-farming and reafforestation policy efficiency review and analysis of west development[J].Scientia Silvae Sinicae, 2002, 38(1): 130-135. [3]張力小

As the implementation of reafforestation project and forbiding grazing policy in Ningxia Autonomous Region,after sloping fields transforming project,the vegetation recovered to some extent. 隨著退耕還林草工程和自治區(qū)人民政府全區(qū)范圍內(nèi)禁牧政策的實(shí)施,經(jīng)過(guò)人工坡地改造工程,該區(qū)自然植被得到了一定的恢復(fù)。