网络自然资源保育署;美国自然环保署 网络释义
The Natural Resource Conservation Service has developed a tillage rating system that can be used for openers called the Soil Tillage Intensity Rating (STIR). This system assigns a numerical value to openers based on operating speed of the seeder, opener type, depth of operation, and the percent...
ONE of the important questions discussed at the recent World Power Conference was the conservation of natural resources. Science Service, of Washington, D.C., has issued reports of papers, dealing with this subject, which formed the basis of a discussion at the Conference. It is stated that ...
NATURAL RESOURCES CONSERVATION SERVICE CONSERVATION PRACTICE STANDARD 来自 mendeley.com 喜欢 0 阅读量: 26 作者: HAY PLANTING 摘要: Vertisols are used for both crop production and animal grazing. In the highlands, crops such as cereals (teff, oats, barley, durum wheat, finger millet, sorghum), ...
Natural resource economics and conservation: contributions of agricultural economics and agricultural economists. (Special Issue: Commemorating the centenn... Research by agricultural economists on natural resources has been distinguished by an interdisciplinary emphasis and a dynamic perspective. It has ...
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Social impact assessment methodologies and models have been developed and applied to environmental resource areas other than fisheries. Social impact assessments determine the costs and benefits of proposed conservation and management pl... Vanderpool,K Christopher - 《Transactions of the American Fisheries...
conservationmarketingresourcesmarketnatural营销 Market-BasedConservationNRCSNRCSMarketMarket--BasedIncentivesBasedIncentivesWashington,DCWashington,DCJanuary10,2006January10,2006DouglasLawrenceDirectorResourceEconomicsandSocialSciencesDivisionWhatareMarket-BasedSolutions?•Market-orientedapproachesrelyontheuseofeconomicandmarket...
Adult Age Differences in Dual Information Processes: Implications for the Role of Affective and Deliberative Processes in Older Adults' Decision Making Age differences in affective/experiential and deliberative processes have important theoretical implications for judgment and decision theory and important ...
Environmental resources and applied welfare economics C. : Resources for the Future 1988 :263Krutilla John V.Conservation Reconsidered.Environmental Resource and Applied Welfare Economics[J].Washington,DC:... VK Smith 被引量: 32发表: 1988年 The Environmental Turn in Natural Resource Economics: John...