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Record Nr. |
UNINA9910702450203321 |
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Autore |
Gronberg JoAnn M |
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Titolo |
County-level estimates of nitrogen and phosphorus from commercial fertilizer for the conterminous United States, 1987-2006 [[electronic resource] /] / by Jo Ann M. Gronberg and Norman E. Spahr |
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Pubbl/distr/stampa |
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Reston, Va. : , : U.S. Dept. of the Interior, U.S. Geological Survey, , 2012 |
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Descrizione fisica |
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1 online resource (vi, 20 pages) : color illustrations |
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Collana |
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Scientific investigations report ; ; 2012-5207 |
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Altri autori (Persone) |
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Soggetti |
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Nitrogen fertilizers - United States |
Phosphatic fertilizers - United States |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from title screen (viewed on Nov. 26, 2012). |
"National Water-Quality Assessment Program." |
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Nota di bibliografia |
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Includes bibliographical references (pages 17-18). |
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