2) forest land reclaimation
林地开垦
1.
The in fluence of forest land reclaimation on soil erosion was studied using locating ob-servated data.
通过比较梁坡林地开垦不同年限后的土壤养分变化动态，分析了土壤养分退化的过程及特征。
3) reclaimed forest lands
开垦林地
4) clearance of wood from land
林地整治;开垦
5) farmland reclamation
耕地开垦
1.
Tradeoff of conflict between wetland protection and farmland reclamation in the Sanjiang Plain,Heilongjiang Province;
三江平原湿地保护与耕地开垦冲突权衡
6) land reclamation
土地开垦
1.
The land reclamation and its influence on environment in West Liaohe Basin from 1902 to 1990;
近百年来西辽河流域土地开垦及其对环境的影响
2.
Land reclamation at the end of Qing dynasty and beginning of Republic of China in the Mongolian area was always focused on by the foreign scholars, a great deal of fruits were gained during these long time.
清末民初的蒙旗土地开垦问题一直是国内外学者所关注的重要课题,取得了不少研究成果。
补充资料：被开垦的处女地
被开垦的处女地
一九三○年，苏维埃全国开展农业集体化运动。达维多夫奉命来到顿河地区，组织那里的农民建立集体农庄。在与旧势力的反复斗争中，格列妙奇村的集体农庄终于冲破重重困难和阻碍，逐步得到了稳固和发展，使原本贫苦的农民在被开垦的处女地上建设起自己的新家园。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。