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more general categories information about this item Biological Sciences Biological Sciences biochemistry (102540) biochemical compounds (82890) nutrients (2518) Calendar Year Calendar Year Year (337475) 2013 (32153) Farms and Farming Systems Farms and Farming Systems agricultural management (3309) nutrient management (245) Geographical Locations Geographical Locations named bodies of water (3209) Chesapeake Bay (72) named geographical regions (4026) Appalachian region (131) North America (16962) United States (12631) Eastern United States (3664) Northeastern United States (1235) Maryland (115) Natural Resources, Earth and Environmental Sciences Natural Resources, Earth and Environmental Sciences ecology (54081) ecosystems (7820) ecological zones (179) ecoregions (139) environmental science (25745) environmental degradation (16012) pollution (12513) pollution load (1612) environmental quality (3190) water quality (2689) geology (23343) geomorphology (10939) landforms (9516) coastal plains (114) piedmont (90) valleys (615) natural resources (75944) land resources (17347) watersheds (4526) water resources (14174) inland waters (9847) streams (2506) Physical and Chemical Sciences Physical and Chemical Sciences chemical substances (129118) biochemical compounds (82878) nutrients (2517) elements (30672) nonmetallic elements (20442) phosphorus (3373) chemistry (84737) chemical composition (25538) nitrogen content (3740) nutrient content (1840) Reference Types Reference Types Journal (337546) Research, Technology and Engineering Research, Technology and Engineering information science (2700) information technology (2074) databases (1723) mathematics and statistics (33406) statistics (23850) probability (9317) risk (5934) research (30526) research methods (29174) surveys (5011) technology (49139) information technology (2074) databases (1723) Abstract of Article: Will be presented in next release Date Last Accessed: Accessed January 20, 2015 Title of Article: Estimating reference nutrient criteria for Maryland ecoregions Author(s) of Article: Will be identified in next release Citation: Environmental monitoring and assessment 2013 v.185 no.3 pp. 2123-2137 Click to View: (Click to View) Date of Publication: 2013 Location of Article: http://pubag.nal.usda.gov/pubag/article.xhtml?id=573291 Name of Publication: Environmental monitoring and assessment Publishing Company: Will be identified in next release Accession Number: 173991
