2) loess gully region
渭北高原沟壑区
1.
There are 113 wild fruit species in Weibei loess gully region of Shaanxi.
陕西渭北高原沟壑区有野生果树 113种 ,隶属 2 5科 4 8属 ,其中蔷薇科有 4 7种。
3) gully region of loess plateau
黄土高原沟壑区
1.
Changes of orchard soil carbon,nitrogen and phosphorus in gully region of Loess Plateau;
黄土高原沟壑区不同年限苹果园土壤碳、氮、磷变化特征
2.
To solve the problem of environment deterioration and low economic benefit for protection forest system in Loess Plateau,we systematically studied the soil moisture and nutrients for eco-economic type of protection forest in gully region of loess plateau through field investigation and laboratory analysis.
针对黄土高原生态环境恶化以及黄土高原防护林体系经济效益低下的问题,以黄土高原沟壑区生态经济型防护林为研究对象,通过野外调查与室内分析相结合的方法,系统研究了林地的水分和养分特征,并以水分生态条件为依据,对黄土高原沟壑区生态经济型防护林进行了空间配置。
4) the Loess Plateau
黄土高原沟壑区
1.
Energy analysis of apple fruit industry ecosystem in the Loess Plateau;
黄土高原沟壑区农户果业生态系统的能值分析
2.
Application of Data Excavation Technique to Runoff and Sediment Yield Model of the Loess Plateau;
数据挖掘技术在黄土高原沟壑区产流产沙模型中的应用
6) loess hilly region
黄土高原丘陵沟壑区
1.
The research on the fuzzy classification analysis and principal component analysis (PCA) in plant community succession in loess hilly region was reported, with the aim of probing into the feasibility of this method in plant community succession studying.
应用模糊聚类和主成分分析(PCA)对黄土高原丘陵沟壑区植物群落演替进行研究,以探讨该方法在植被演替研究中的可行性。
补充资料:黄土高原农业气候资源利用(见农业气候资源利用)
黄土高原农业气候资源利用(见农业气候资源利用)
Huangtu gaoyuan nongye qihou ziyuan Iiyong黄土高原农业气候资源利用见农业气候资源利用。
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