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Water-saving alternative forage crops for Texas livestock 科技资讯
2020
收藏  |  浏览/下载：5/0  |  提交时间：2020/07/13
The impact of climate change on crop mix shift in the Nordic region 科技资讯
2019
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Agriculture — A river runs through it — The connections between agriculture and water quality 科技报告
报告编号: 70187973, 页数: 216, 2018
作者:  Capel, Paul D. capel@usgs.gov;  McCarthy, Kathleen A.;  Coupe, Richard H. rhcoupe@usgs.gov;  Grey, Katia M.;  Amenumey, Sheila E.;  Baker, Nancy T. ntbaker@usgs.gov;  Johnson, Richard L.
Adobe PDF(69774Kb)  |  收藏  |  浏览/下载：71/43  |  提交时间：2019/11/06
Concentrations of nutrients at the water table beneath forage fields receiving seasonal applications of manure, Whatcom County, Washington, autumn 2011–spring 2015 科技报告
报告编号: 70199372, , 2018
作者:  Cox, Stephen E. secox@usgs.gov;  Spanjer, Andrew R. aspanjer@usgs.gov;  Huffman, Raegan L. rhuffman@usgs.gov;  Black, Robert W. rwblack@usgs.gov;  Barbash, Jack E. jbarbash@usgs.gov;  Embertson, Nichole M.
Adobe PDF(2496Kb)  |  收藏  |  浏览/下载：60/28  |  提交时间：2019/11/06
Design and testing of a process-based groundwater vulnerability assessment (P-GWAVA) system for predicting concentrations of agrichemicals in groundwater across the United States 科技报告
报告编号: 70126663, , 2016
作者:  Barbash, Jack E;  Voss, Frank D. fdvoss@usgs.gov
Adobe PDF(7667Kb)  |  收藏  |  浏览/下载：4/4  |  提交时间：2019/11/06