1) restoring forest or grass
还林还草
1.
The inevitability and significance of forbidden cuttivate for restoring forest or grass are discussed in this paper.
论述了沙区退耕还林还草的必要性及意义，以及退耕地基本类型、还林还草品种选择及应遵循的原则；分析了林、草在沙区生态环境中的作用及如何进行还林还草；最后提出了沙区退耕还林还草对策及需注意的问题。
2) conversion of cropland to forest and grassland
退耕还林还草
1.
Assessing benefits of the conversion of cropland to forest and grassland project in the mountain area of southern Ningxia;
宁南山区退耕还林还草效益评估研究
2.
Study on the models of conversion of cropland to forest and grassland in dry hot and arid river valley subregions & hilly ravine subregions of loess plateau.;
干热干旱河谷区和黄土丘陵沟壑区退耕还林还草模式初步研究
3) returning cultivated land to forestland or grassland
退耕还林还草
1.
The Study on Returning Cultivated Land to Forestland or Grassland and Adjustment of Agriculture Structure;
退耕还林还草与农业结构调整研究
2.
As an important support to ecological construction in the north transitional agro_pasture area, returning cultivated land to forestland or grassland has exited some problems inevitably.
退耕还林还草作为北方农牧交错带生态重建的切入点,在实际操作中也不可避免地存在一定的问题。
4) returning farmland to forestland or grassland
退耕还林还草
1.
Application of decision support system based on GIS for returning farmland to forestland or grassland in the loess hill semi-arid region;
基于GIS的黄土丘陵半干旱区退耕还林还草决策系统应用
2.
The Project of Returning farmland to forestland or grassland is one of important content of western exploitation of China.
退耕还林还草工程是我国西部大开发的重要内容之一，是生态环境恢复和重建的重大举措。
5) returning farmland to forest and grassland
退耕还林还草
1.
In order to resolve the problems of ecological environment thoroughly in this area,the state started returning farmland to forest and grassland in large scale in the west areas from 2000.
水土流失和土地沙化是西部地区突出的生态环境问题,为了从根本上扭转这一地区生态环境问题,2000年国家开始在西部地区大规模地退耕还林还草,5年来,退耕还林还草取得了重要成效。
2.
The ecological environment in Jinshajing basin of the upper Yangtze River is getting more and more worse in recent years,therefore,the project of returning farmland to forest and grassland in Jinshajiang basin should be focused on.
针对长江上游金沙江流域生态环境急剧恶化的现状 ,论述了金沙江流域开展退耕还林还草工程的重要性和紧迫性 ,并就工程中亟待解决的问题 ,进行了深入的探讨 ,提出了实施的对
3.
Returning Farmland to Forest and Grassland is an important project that aimed at the ecological environment construction in western China.
退耕还林还草是我国在西部大开发中实施的一项重大生态建设工程。
6) Resumed forests or grasslands from farmlands
退耕还林还草地
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1.环绕。
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