2) returning farmland to forest
退耕还林
1.
The investigation and discussion on the situation of returning farmland to forest project in arid region in north of Pengyang;
对彭阳北部干旱片带退耕还林状况的调查与思考
2.
Discussion on the problem of showing excessive enthusiasm on economic forest in returning farmland to forest.;
退耕还林中经济林比重过高问题的探讨
3.
Research on Protecting Farmers Long-term Development and Consolidating the Results of Returning Farmland to Forest;
关于保障退耕农户长远发展与巩固退耕还林成果的研究
3) conversion of cropland to grassland
退耕还草
1.
Current status and effects of carrying out conversion of cropland to grassland in Liaoning province are expatiated.
针对辽宁省退耕还草现状,阐述实施退耕还草成效,并依据当前退耕还草存在的问题提出了有关建议。
4) conversion of cropland to forest
退耕还林
1.
Investigation of Vegetation in Eucalyptus urophylla and Zenia insignis Models for Conversion of Cropland to Forest;
退耕还林尾叶桉模式和任豆模式的植被调查
2.
Since the policies of the conversion of cropland to forest and the close grazing were carried out,the vegetation quality and coverage rate have been increased all over in Loess Plateau area, the eco.
退耕还林和禁伐禁牧措施实施以来,黄土高原地区植被覆盖率、质量已经呈现稳定提升的势态,民众生态环境保护意识增强,植被恢复措施优化,多元化投资与城镇化发展使黄土高原植被恢复前景较好。
3.
Most of the researches on the benefit evaluation of the conversion of cropland to forest project focused on the ecological benefit evaluation by using the indexes such as water,soil,microclimate and ecological environment.
在目前退耕还林工程效益评价中,运用水分、土壤、小气候和生态环境等指标对生态效益进行评价的研究较多;在社会、经济效益评价时,主要是通过问卷调查的方式,对农村产业结构、农民户均收入、贫困人口数量、农民文化水平和受教育程度、农产品商品率、农民消费水平、恩格尔系数等指标进行分析,采用对比增量法得出评价结论。
5) grazing land changed in forests
退牧还林
1.
The measure of grazing land changed in forests had been carried on during 1999-2004.
贺兰山区自1999年—2004年期间进行退牧还林、封育保护,本文通过对贺兰山退牧还林后不同立地类型及不同地带的森林植被恢复和生长状况的调查,分析了贺兰山退牧还林五年来取得的成效。
6) returning farmland to lake
退田还湖
1.
Impact of "returning farmland to lake" works on ecological environment of Dongting lake;
退田还湖对洞庭湖区生态环境的影响
2.
Changes of soil particle composition and chemical characteristics after "returning farmland to lake" in the Dongting Lake area
退田还湖后洞庭湖区土壤颗粒组成和化学特性的变化
3.
Soil enzyme activities under different restoration modes after returning farmland to lake in Dongting Lake area
洞庭湖区退田还湖后不同恢复模式下土壤酶活性的变化
补充资料：退还
1.退回;返回。 2.交还;归还。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条