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- Some suggestions are proposed for loess hilly area of south Ningxia. 为宁夏南部黄土丘陵区生态恢复提出了几点建议。
- The funnel shaped catchment afforestation is a new forestry technique in semiarid loess hilly area. 漏斗式集流造林技术是黄土丘陵半干旱区旱作林业的一个创新。
- 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。
- Resource conditions and countermeasures implementing the strategy of returning the grain plots to forestry and grass on Loess Hilly Area. 黄土丘陵沟壑区实施退耕还林还草战略资源条件与对策。
- The cultivation technique of major fine pasture in the semiarid and loess hilly area wasstudied and reviewed in details. 比较详细地研究总结了半干旱黄土丘陵区主要优良牧草的栽培技术。
- 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。
- Topography and land use types are key factors which affect soil properties variability on catchment scale in the loess hilly area. 摘要在黄土高原小流域尺度上，地形和土地利用是影响土壤变异的重要因素。
- The ecological condition in loess hilly and gully region of the south of NingXia province is so frangible that it was considered as“tbe worst place to live”by the ESCO. 宁南黄土沟壑地区的生态极度脆弱,曾被联合国教科文组织定为“最不适宜人生存的地区”。
- Based on the experimental results, this paper analyzed the water equilibrium features and ecological adaptability of the dry-land crops in the loess hilly areas of south Ningxia. 摘要依据田间试验结果，对宁南黄土丘陵区主要作物水分平衡特徵与水分生态适应性进行定量评价。
- In order to improve the accuracy of landuse classification in loess hilly area, a large scale relief map was used to create the digital geomorphic model (DGM). 本文拟探讨在黄土丘陵区运用大比例尺地形图数据，建立区域数字地貌模型；
- 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。
- The comprehensive assessment indicated that with the succession of vegetation, the steppe community health in loess hilly and gully region had a fluctuated ascending trend. 综合评价表明，植物群落健康水平随着演替过程的发展呈波动性且逐渐上升的变化过程。
- This experiment is a part of orientate experiment of optimum farming, forestry and animal-husbandry structure on both ecology and economy at loess hilly area. 本试验系上黄试验区农林牧优化生态经济结构试验的一个组成部分。
- This paper optimizes the land utilization structure and presents an optimizing model by means of linear planning model for Fangshan County, a loess hilly and gully region. 摘要以晋西黄土丘陵沟壑区的山西省方山县为例，运用线性规划模型对土地利用结构进行优化调整，提出了该区土地利用结构优化模式。
- These supply much useful revelation for studying the dynamic mechanism of the soil erosion chain in slope and ditch syst em, and effectively controlling water and soil losses in loess hilly and gully a rea. 这些为研究和揭示坡沟系统土壤侵蚀链的动力机制，以及有效控制与治理黄土丘陵沟壑区的水土流失现象，提供了许多有益的启示。
- In this paper, based on the analysis of the ecosystem health situation and its diagnoses, a set of indictors of eco-economic system in mesoscale was established in loess hilly area. 本文在分析流域生态系统健康特征和诊断指标筛选原则的基础上，构建了一套适合于该区中尺度生态经济系统健康诊断指标体系。
- Railroad Line Selection in Loess Hilly Areas 黄土丘陵区的铁路选线
- the loess hilly and gully region 黄土丘陵沟壑区
- the loess hilly of Southern Ningxia 宁夏南部
- Semiarid loess hilly and gully region 半干旱黄土丘陵区
