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Nutrient Intake, Excretion and Use Efficiency of Grazing Lactating Herds on Commercial Dairy Farms 期刊论文
发表期刊: ANIMALS. 出版年: 2020, 卷号: 10, 期号: 3
作者:  Aarons, Sharon R.;  Gourley, Cameron J. P.;  Powell, J. Mark
收藏  |  浏览/下载：13/0  |  提交时间：2021/01/07
grazed pasture intake  supplementary feed  metabolizable energy  feed nutrient intake  macronutrients  animal nutrient use efficiency  manure  nitrogen  phosphorus  potassium  
Offshore Resource Assessment and Design Conditions: A Data Requirements and Gaps Analysis for Offshore Renewable Energy Systems 科技报告
报告编号: DOE/EE--0696. 出版年: 2012
作者:  Elliott, Dennis [National Renewable Energy Lab. (NREL), Golden, CO (United States)];  Frame, Caitlin [National Oceanic and Atmospheric Administration (NOAA), Washington, DC (United States)];  Gill, Carrie [National Oceanic and Atmospheric Administration (NOAA), Washington, DC (United States)];  Hanson, Howard [Florida Atlantic Univ., Boca Raton, FL (United States)];  Moriarty, Patrick [National Renewable Energy Lab. (NREL), Golden, CO (United States)];  Powell, Mark [National Oceanic and Atmospheric Administration (NOAA), Washington, DC (United States)];  Shaw, William J. [Pacific Northwest National Lab. (PNNL), Richland, WA (United States)];  Wilczak, Jim [National Oceanic and Atmospheric Administration (NOAA), Washington, DC (United States)];  Wynne, Jason [Energetics, Columbia, MD (United States)]
收藏  |  浏览/下载：24/0  |  提交时间：2019/11/30
Scale relationships in hillslope runoff and erosion 期刊论文
发表期刊: EARTH SURFACE PROCESSES AND LANDFORMS. 出版年: 2006, 卷号: 31, 期号: 11, 页码: 1384-1393
作者:  Parsons, Anthony J.;  Brazier, Richard E.;  Wainwright, John;  Powell, D. Mark
收藏  |  浏览/下载：12/0  |  提交时间：2019/11/28
interrill runoff  soil erosion  sediment yield  semi-arid  rangeland hydrology