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- Using the method of fuzzy cluster analysis, the scientific evaluation and classification were given to the two hundred and sixty pieces of agricultural soil resources in two villages and six towns of Longjing City in Jilin Provice. 摘要利用模糊聚类分析方法对吉林省龙井市6镇、2乡的260块农用土地资源进行了科学的评价与分类。
- agricultural soil resources 农业土壤资源
- Influence of rare eatrth elements on chemical transformation of nitrogen in agricultural soil. 施加外源稀土元素对土壤中氮形态转和有效性的影响。
- The Environmental Capacity of Copper, Zinc, Nickel in Agricultural soil in Nanhai, Guangdong. 广东省南海市农业土壤中铜锌镍的环境容量
- Organic acids are normal constituents of most agricultural soils. 有机酸是大多数农业土壤中通常的组分。
- Our country has made high-spaced and sustainable development with less soil resources, comparing to other nations. 内容摘要:土壤资源是人类赖以生存的重要自然资源,是农业生产的基础。
- The environmental impact caused by immigrants of Zhanghewan Reservoir is mainly on water and soil resources. 张河湾水库移民对环境的影响主要表现为对水土资源环境的影响。
- Paraquat polluted experiment on the agricultural soil animal be taken in this project. 应用克无踪农药对农田生态系统土壤动物进行污染模拟实验。
- This paper took Jiangyingxiang as an example to expound the ecotope characteristics of soil resources in the limestone mountain areas in Guangdong. 本文以江英乡为例,阐明了广东石灰岩山区土壤资源的生态环境特点。
- The loss of bioavailable phosphorus (BAP) from agricultural soil to surface waters in runoff can accelerate the eutrophication of receiving waters. 本文通过模拟降雨径流实验,运用两种生物可利用磷(BAP)的化学浸提方法,在1。
- Scientists in West Country, mainly in US and Canada, are seeking to sequester C in agricultural soil (C sink) to offset their commitment to the Kyoto act. 以美国和加拿大为代表的发达国家正在热衷于研究农业土壤作为大气CO2 的“汇”。
- Based on the technique of Geographic Information System (GIS),with the help of Visual Foxpro 5.0 and APMP,soil resources in Shandong province are evaluated. 在地理信息系统 (GIS)的支持下 ;结合 Visual Foxpro5 .;0及农业实用多元分析程序包 (APMP)对山东省土地自然质量进行了评价。
- The development of population and economy in Keriya river basin bring large exploration of water and soil resources and significant influence on rive basin eco-environment. 克里雅河流域人口与经济发展而带来的水土资源开发利用程度的增加,对流域生态环境产生了重大的影响。
- Gao Z L,Chen X P,Zhang F S et al.Continuous-automatic method for measuring N2O emission from agricultural soil[J].Plant Nutrition and Fertilizer Science,2005,11 (1):64-70. [4]高志岭;陈新平;张福锁;等.;农田土壤N2O排放的连续自动测定方法[J]
- FAO. 1993. FESLM: an international framework for evaluating sustainable land management, Smyth, A.J. and Dumanski, J. (eds.). World Soil Resources Report 73, FAO, Rome. p74. 田光明.;县域农业资源环境可持续性评价的理论与方法探讨[D]
- Agricultural soils are the ultimate recipient and depository of most applied foliar and soil pesticides. 喷撒于叶面和用于土壤的农药大多以农业土壤为其最终受体和贮存场所。
- The main agricultural soils in Changge city were comprehensively evaluated by using the technology of GIS and SPSS. 运用GIS和SPSS技术 ,对河南省长葛市主要农业土壤肥力进行综合评价。
- Because the residential buildings which rely on the soil resources take a large numbers of projects, a mass of residential buildings has already occupied the precious soil resources. 以土地为依托的住宅属于大量性建设项目,大量的住宅占用了宝贵的土地资源。
- K.Zhang, S.Li, W.Peng and B.Yu: Erodibility of Agricultural Soils on the Loess Plateau of China. 彭文英,张科利,江忠善:黄土高原坡耕地退耕还草的水沙变化特征。
- There is no enough soil for subgrade reclamation of Maoming-Zhanjiang Expressway inTongcheng-Sanya National Trunk Highway because the soil resources nearby are mainly high liquid limit soil, which makes the borrow very difficult. 同三国道茂湛高速公路路基填筑土源相当匮乏 ,附近土源多为高液限土 ,取土十分困难 ;