1.
STUDY ON SOIL DEGENERATION OF RECLAIMED FOREST-LANDS IN LOESS HILLY FOREST REGION;
黄土丘陵区林区开垦地土壤退化研究
2.
Effect of Farmland Abandonment on Soil Enzyme Activities in Loess Hilly Region
黄土丘陵区撂荒对土壤酶活性的影响
3.
The Study of Land Reclamation Potential for Subsided Land of Coal Exploitation;
黄土丘陵区采煤塌陷地复垦潜力研究
4.
Study on Ecological Effect of Artificial Seabuckthorn Forest with Different Ages in Loess Hilly Region;
黄土丘陵区人工沙棘林生态作用研究
5.
Reflection on the Rural Economic Development in Loess Hilly Region in Yulin;
榆林黄土丘陵区农村经济发展的思考
6.
DEVELOPMENT OF GULLIES AND EVALUATION ON THEIR STABILITY IN THE LOESS HILL REGION;
黄土丘陵区沟谷发育及其稳定性评价
7.
Spatial and temporal relationships between land use and soil mois ture in hilly area of the Loess Plateau;
黄土丘陵区土地利用与土壤水分的时空关系
8.
Soil moisture characteristics of different vegetation measures in loess hilly region of southern Ningxia
宁南黄土丘陵区不同植被措施的土壤水分特征
9.
Study on grass and bush and tillage measures to conserve soil and water in loess region
黄土丘陵区水土保持生物和耕作措施的研究
10.
Soil Water Ecological Environment on the Man-made Woodland and Grassland in Loess Hilly Region
黄土丘陵区人工林草地的土壤水分生态环境
11.
Soil Condition of Herb and Shrub Stage of Vegetation Secondary Succession in the Hilly-Gullied Loess Region;
黄土丘陵区植被次生演替草灌阶段的土壤条件
12.
The Impacts of Conversion of Cropland to Forest and Grassland on Land Use in the Loess Hilly Area;
退耕还林草对黄土丘陵区土地利用的影响
13.
Land Use Change and Its Regulation of Yangou Watershed in Loess Hilly-gully Region;
黄土丘陵区燕沟流域土地利用变化与优化调控
14.
Analysis on environment economics of the soil erosion in hilly regions of loess plateau;
黄土丘陵区水土流失的环境经济学分析
15.
Experimental Study on Anti-Scourability of Soil with Biological Soil Crusts in Hilly Loess Plateau Region
黄土丘陵区生物结皮土壤抗冲性试验研究
16.
Selection on Suitable Trees in Semiarid Loess Hilly and Gully Area;
半干旱黄土丘陵沟壑区适生树种选择
17.
Study on the Gully Vegetation of Junger Loess Hill-Gully Region;
准格尔黄土丘陵沟壑区沟谷植被研究
18.
The study of landform classification in complicated terrain areas-Loess hill and gully area
黄土丘陵沟壑区地形分类方法的研究