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more general categories information about this item Animal Science and Animal Products Animal Science and Animal Products animal science (21660) animal production (3767) animal feeding operations (175) feedlots (134) Calendar Year Calendar Year Year (337475) 2007 (28801) Economics, Business and Industry Economics, Business and Industry economics (27895) public economics (3343) infrastructure (3032) housing (41) Farms and Farming Systems Farms and Farming Systems agricultural land (5339) fields (167) pastures (1690) Geographical Locations Geographical Locations Asia (16685) East Asia (10715) South Korea (455) Natural Resources, Earth and Environmental Sciences Natural Resources, Earth and Environmental Sciences environmental science (25745) environmental degradation (16012) pollution (12513) pollutants (6440) effluents (1475) sewage effluent (127) water pollution (2687) groundwater contamination (795) geology (23343) hydrogeology (3273) aquifers (1764) hydrology (18092) hydrogeology (3273) aquifers (1764) water (12151) groundwater (2536) natural resource management (11559) land management (3933) land use (2957) water management (3752) hydraulic structures (905) wells (747) natural resources (75944) land resources (17347) rural areas (554) land (6130) agricultural land (5339) fields (167) pastures (1690) water resources (14174) aquifers (1764) drinking water (1030) soil science (29220) soil management (9354) fertilizers (3809) mineral fertilizers (2067) organic fertilizers (1062) composts (790) soil physics (7416) soil transport processes (1674) leaching (1168) Physical and Chemical Sciences Physical and Chemical Sciences chemical substances (129118) chemical compounds (78840) nitrogen compounds (16192) organic nitrogen compounds (14211) amides (2339) urea (787) organic compounds (57444) organic nitrogen compounds (14202) amides (2339) urea (787) elements (30672) isotopes (1749) stable isotopes (1116) nonmetallic elements (20442) nitrogen (6752) chemistry (84737) chemical composition (25538) nitrogen content (3740) nitrate nitrogen (581) physicochemical properties (27179) leaching (1168) physics (54990) space and time (9709) temporal variation (6965) Plant Science and Plant Products Plant Science and Plant Products soil management (9354) fertilizers (3809) mineral fertilizers (2067) organic fertilizers (1062) composts (790) Reference Types Reference Types Journal (337546) Research, Technology and Engineering Research, Technology and Engineering engineering (9759) manmade structures (4337) hydraulic structures (905) wells (747) methodology (66114) quantitative analysis (2569) technology (49139) environmental technology (1091) septic systems (47) Abstract of Article: Will be presented in next release Date Last Accessed: Accessed January 20, 2015 Title of Article: Impact of land-use types on nitrate concentration and δ15N in unconfined groundwater in rural areas of Korea Author(s) of Article: Will be identified in next release Citation: Agriculture, ecosystems and environment 2007 v.120 no.2-4 pp. 259-268 Click to View: (Click to View) Date of Publication: 2007 Location of Article: http://pubag.nal.usda.gov/pubag/article.xhtml?id=702134 Name of Publication: Agriculture, ecosystems and environment Publishing Company: Will be identified in next release Accession Number: 243098
