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- Landform southeastern forest areas for earth and rock, the western loess hilly region along the River Valley. 地貌东南部为土石森林区,西部为黄土丘陵区,沿川为河谷区。
- Nongzhong loess hilly region is a brittleness ecology environment with a sparse vegetation cover and severe soil erosion. 陇中黄土丘陵区生态环境脆弱,历史时期人为活动强烈,导致生态环境退化与农牧交替频繁。
- The runoff plot experiment and nitrification experiment was made to study nitrogen loss and sapplying capacity on slopping farmland in loess hilly region. 在黄土丘陵区坡耕地黄绵土上进行径流小区试验,研究侵蚀条件下土壤氮素流失规律,并采用硝化力培养方法研究黄绵土的供氮能力。
- Keywords loess hilly region adaptability xeric structural feature; 黄土丘陵;适应性;旱生结构特征;
- Optimizing land use structure by linear programming in the loess hilly region for constructing eco-agriculture 黄土丘陵区生态建设中农林牧土地结构优化模式探讨
- A Study on the Water Flow in the Trunks of Different Tree Species in the Loess Hilly Region 陕北黄土丘陵区主要成林树种耗水量研究
- Change about Soil Erosion and Soil Properties in Reclaimed Forestland of Loess Hilly Region 黄土丘陵林地土壤侵蚀与土壤性质变化
- Changes in Land Use Patterns in Small Catchment in Past 60 Years in Loess Hilly Region on Loess Plateau 黄土丘陵区纸坊沟流域60年来土地利用格局变化研究
- Characteristics of Energy Transform in Vertical banding of Soil Erosion Chain in Loess Hilly Region 黄土丘陵区土壤侵蚀链各垂直带能量转化特征研究
- Characteristics of nutrient cycling of different vegetation types in the Zhifanggou Watershed on the Loess Hilly Region 黄土丘陵区流域主要植被类型养分循环特征
- Excessive Depletive Dynamic of Soil Water of Pupulus simonii in Loess Hilly Region 黄土丘陵区小叶杨林地土壤水分过耗动态
- Introduction Assess ment of Pseudolarix amabilis and Psedotsuga menziesii in the Loess Hilly Region of Shaanxi 陕西黄土丘陵区金钱松和花旗松引种效果分析
- Study on hydrological response of eco-construction in a small watershed of Loess Hilly region 黄土丘陵区小流域尺度生态建设的水文响应研究
- Leaf Water Potential of Seabuckthorn and Influence Factors in the Semiarid Loess Hilly Region 半干旱黄土丘陵区沙棘叶水势及其影响因子
- Experimental study on soil erosion dynamic mechanism of slope flow in loess hilly region 黄土丘陵区坡面薄层水流侵蚀动力机制实验研究
- Effect of improved ridge-furrow planting measures on water use efficiency of maize in loess hilly region 黄土丘陵区垄沟改良措施对玉米水分利用效率的影响
- Nutrient cycling and balance characteristics of different farmland types in the loess hilly region 黄土丘陵区不同类型农地的养分循环平衡特征
- Practice and Benefit of Pattern of Eco economic Drainage Area Control in Loess Hilly Region of Southern Ningxia 宁南生态经济型流域治理模式的探索及效益
- 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
- We sail downstream through a hilly region. 11我们顺流而下,穿过山区。