farmland相关论文
Coupling Effects of Fertilizer & Pesticide Savings and Pollution Control of Farmland Water-saving Ir
In order to search for the best management of farmland water resources and the effective ways of non-point source pollut......
Take the 40 samples collected from farmland soil for testing.Use the single-factor variance analysis and multiple linear......
Influence of the variation in rural population on farmland preservation in the rapid urbanization ar
In the past 40 years,cultivated land has faced the continued anthropogenic inter-ference,which has become a significant ......
Since ancient times, the Chinese government has always attached a great deal of importance to food security . However, t......
Intercropping is a very effective cultivation method in the agricultural production with a long history. The use of inte......
Limited water resources, increasing demand, low use efficiency, and serious pollution result in severe water resource di......
Used to be the only imperial waterway and important water source for farmland irrigation during the Ming and Qing dynast......
To turn desert into oasis is the top priority of the water-poor Israel.The country has made miraculous achievements in t......
Three Gorges Project:a project for ecological improvement and environmental protection in Yangtze Ri
Seeking water and earning their livelihoods is the natural selection of human beings.Like other rivers on the earth,the ......
Modelling landscapes with GIS provides a powerful tool to analyze and model terrestrial ecosystems for land use planning......
Heavy Metal Contamination in Farmland Soil and Bioremediation Measures: A Case Study of the Mining A
With the rapid development of mining,the soil heavy metal contamination is increasingly serious in Shaoguan,directly aff......
Taking the Database of Chinese Scientific and Technical Periodicals of Chongqing VIP Information Co. ,Ltd. as the statis......
【栏目要求】1.将学生习作根据中考分值给出成绩;2.在应该修改的地方划线并标注序号;3.根据所标序号进行修改并说明修改的理由;4.......
Contamination and risk assessment of heavy metals in farmland soils of Baghrash County, Xinjiang,Nor
Soil pollution significantly reduces environmental quality.In this study,farmland soil samples were collected from 25 si......
2Briefings of National Symposium on Conservation Tlllage 5ATechnicaIMeasureofStrategisSignlflcanceInSoilandWaterConserva......
THE Yellow River running through northern Ningxia has created the greatest abundance of all the river valley areas along......
LOCATED in Inner Mon-golia Autonomous Re-gion, Ejin Horo Banneris home to the mauso-leum of Genghis Khan.the legendary f......
Forest has a strongfunction in storing water, conserving soil and protecting farmland. In the study, based on fleld man......
今年3月17日,全国117所高校6600余名大学英语专业四年级学生参加了国家教委组织的8级英语水平测试。3月29日至4月3日,来自20余所......
On August 20, 2009, the State Council adopted the Guidelines on Maintaining the Steady and Relatively Fast Economic Deve......
The 11th Five-year Plan met its goals, paving the way to new heights for China’s economic, social and environmental dev......
Tree Productivity and Water Potential Productivity in Returning Farmland to Forest Project in Datong
From 2002 to 2003, based on the investigation of sample plots and stem analysis of remained plantation communities in th......
Urban forest isan importantcomposition and the window and soul of modern cities, which has a close relationship with eco......
Building a forest city requires sufficient area of urban forests and an expedite water circulating system. Taking Shangh......
China is facing new challenges of urban expansion of scale and deterioration of the ecological environment. Urban forest......
The functionalist reasoning of institutional changes builds on individual rationality and explains institutional changes......
The general situation of the total land resources in Wulushan, West China was studied by field investigations with the a......
This paper is a summarization on evaluation of value of artificial forest. The main contents include: (i) the difference......
A Chinese young man in Iowa “He’s always kind to everyone, always like this,” Eleanor Dvorchak murmurs, looking out o......
The expansion of agriculture is posited as one of the main dynamics of forest landscape change globally, and the robust ......
A GIS-based method was used to assess land suitability in the Qinling Mountains, Shaanxi Province of China through simul......
Desert coexists with oasis in long time, and the existence and development of oasis system demand better oasis vegetatio......
Guaranteeing the food security is a fundamental state policy of China. Food security needs overall planning of central g......
To sustain the upland conversion program (UCP) in China after the government compensation expires, we suggest an establi......
Aggradation of channel on the lower reaches of the Yellow River is mainly governed by the regimen of river discharge an......
There have been few in-depth quantitative studies on soil erosion control and the ecological effects of land use changes......
上期我们介绍了两位女中豪杰的梦想和追求,本文我们将继续为读者朋友们呈现另外两位女性的不凡经历。她们一个是医学院的学生,立志......
A Method for Spatial Heterogeneity Evaluation on Landscape Pattern of Farmland Shelterbelt Networks:
On the basis of landscape ecology, combining the Spot 5 high resolution satellite imagery with GIS, a method evaluating ......
Severe droughts and floods inrecent years are forcing the Chinese Government to replace outdated water conservation syst......
The system for flood control and disaster relief should be upgraded. Flood- control systems for major rivers and lakes s......
Comparison and Analysis of Agricultural and Forest Land Changes in Typical Agricultural Regions of N
The northeastern China, the United States, and the western Europe are important agricultural regions both on the global ......
With the development of the ecological tourism, how to control debris flow innational parks becomes an urgent problem. ......
The dystopian air may get all the attention, but the real dangers from pollution in China are right under your feet
The......
Heavy Metal Detection in Soils by Laser Induced Breakdown Spectroscopy Using Hemispherical Spatial C
Spatial confinement has great potential for Laser Induced Breakdown Spectroscopy(LIBS) instruments after it has been pro......
This paper focuses on the dynamic variation of groundwater level in Lhasa city. According to the data, the obvious chara......
In order to evaluate the soil erosion rate for different land uses and make recommendations on land-use alternatives f......
Follow-up industry development of area converting degraded farmland into forest: A case study of Gui
The farmland to forest project has a signifi cant promoting role on ecological civilization; the follow-up industry deve......
Reducing Nitrogen Loading of Inland and Marine Waters—Evaluation of Danish Policy Measures to Reduce
An evaluation in December 2003 of the Danish NationalAction Plan for the Aquatic Environment II showed thatnitrogen lea......