作者: S. J. Del Grosso , J. W. White , G. Wilson , B. Vandenberg , D. L. Karlen
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摘要: Difficulties in accessing high-quality data on trace gas fluxes and performance of bioenergy/bioproduct feedstocks limit the ability researchers others to address environmental impacts agriculture potential produce feedstocks. To those needs, GRACEnet (Greenhouse Reduction through Agricultural Carbon Enhancement network) REAP (Renewable Energy Assessment Project) research programs were initiated by USDA Research Service (ARS). A major product these is creation a database with greenhouse fluxes, soil carbon stocks, biomass yield, nutrient, energy characteristics, input for modeling cropped grazed systems. The include site descriptors (e.g., weather, class, spatial attributes), experimental design factors manipulated, measurements performed, plot layouts), management information planting harvesting schedules, fertilizer types amounts, harvested, grazing intensity), C N plant amount chemical composition). promote standardization ensure that experiments fully described, sampling protocols spreadsheet-based data-entry template developed. Data first uploaded temporary checking then central database. Web-accessible application allows registered users query download including measurement protocols. Separate portals have been provided each project (GRACEnet REAP) at nrrc.ars.usda.gov/slgracenet/#/Home nrrc.ars.usda.gov/slreap/#/Home. architecture entry proven flexible robust describing wide range field thus appear suitable other natural resource projects.