1.
Study on the Background Level of Soil Nutrients and Mechanism of Fertilizing Soil in Degenerative Mountains of Hebei;
河北省退化山场土壤养分本底值及培肥机理研究
2.
The Primary Study on Renovating Degraded Mountain Rangelands Using Livestock Hoof Tillage Technology
蹄耕法技术改良山地退化草场的研究
3.
Assessment of Restoration Result to Mountainous Region Degeneration Forest Ecosystem
山地退化森林生态系统恢复效果评价
4.
An Investigation and Suggestion on the Recovery of Degenerating Vegetation in Karsting Area in Wenshan;
文山州岩溶山区退化植被的调查及其恢复对策
5.
Effects of Trifolium pratense cv.Minshan improving degraded sub-alpine meadow
岷山红三叶改良亚高山草甸退化草地效果研究
6.
Study on the Vegetation Community Diversities and the Partition of Degradation Phases of Degraded Hill of Xiaolangdi Reservoir Area;
黄河小浪底库区退化山地植被物种多样性和退化阶段划分
7.
Assessment on Economic Loss of Grassland Degradation in Western Region of Jilin Province;
吉林省西部草场退化的经济损失评估
8.
Establishment of market-oriented compensation system for returning farmland to forestland
建立市场化的退耕还林补偿制度探讨
9.
The Process and Mechanism of Soil Chemical Property Degradation in the Typical Mountain Region of Western Yunnan;
滇西山地典型区土壤化学退化过程与机理研究
10.
Soil biochemical activities under different land uses in typical degenerated mountainous region of western Yunnan
滇西典型退化山地不同利用类型土壤生化活性
11.
(of an actor)leave the stage
（指演员）退场,下场
12.
"returning cultivated land to forests or pastures, closing off hillsides for afforestation, giving relief to local residents in the form of grain and encouraging individual contractors to manage the concerned areas"
退耕还林(草)、封山绿化、以粮代赈、个体承包
13.
"Returning cultivated land to forests or pastures, closing off hillsides to facilitate afforestation, giving relief to local residents in the form of grain, and encouraging individual contractors to manage concerned areas"
退耕还林/草,封山绿化、以粮代赈、个体承包
14.
Study on Degradation Characteristics of Landscape Ecosystem in Mountainous and Hilly Area in Hunan Province
湖南山丘区景观生态系统退化特征初探
15.
The study on the ecological adaptability of Cajanus cajan(L.) Millspaugh in the degraded mountain land of dry-hot valley
木豆在干热河谷退化山地的生态适应性研究
16.
Vegetation Characteristics of Degraded Forest and Ecological Restoration in Daqingshan, Guangxi;
广西大青山退化森林植被特征及生态恢复研究
17.
A Study on the Vegetation Restoration of Degraded Ecosystem in Typical Karst Mountain Area;
喀斯特典型山地退化生态系统植被恢复研究
18.
Studies on Ecological Degradation Mechanism of Representative Karst Mountains in Chongqing;
重庆市典型岩溶山地生态退化机理研究