1) virgin land
末开垦地
2) 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
3) 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。
4) 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。
5) reclaimed forest lands
开垦林地
6) cultivating hilly land
山地开垦
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。