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[1 - 20] [21 - 35] Next | Records 1 thru 20 of 35
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01. | Title: Adjustments of Agricultural Productivity for Nitrogen Effluent in the Great Plains Author(s): Rezek, J.; Perrin, R. Publisher: University of Minnesota Resource Availability: No Guarantee NAL Subject: land productivity/ nitrogen/ agricultural runoff/ environmental impact/ econometric models/ production economics/ agricultural economics/ prices/ Great Plains region/ Kansas/ Nebraska/ Oklahoma/ South Dakota/ Date: 2001-05-00 Go To Full Record |
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02. | Title: Agricultural Nitrogen Management Helps Protect Water Quality Author(s): Iowa State University Cooperative Extension Publisher: Iowa State University Resource Availability: No Guarantee NAL Subject: water quality/ cropping systems/ management systems/ nitrate nitrogen/ water pollution/ leaching/ groundwater contamination/ best management practices/ water management/ fertilizer application/ plant pigments/ colorimetry/ precision agriculture/ fertilizer rates/ tillage/ nutrient management/ agricultural policy/ extension education/ research programs/ Management Systems Evaluation Areas/ Midwestern United States/ Iowa/ Minnesota/ Missouri/ Nebraska/ Ohio/ Kansas/ North Dakota/ South Dakota/ Wisconsin/ Date: 2000-04-00 Go To Full Record |
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03. | Title: Agricultural Nitrogen Management to Protect Water Quality Author(s): Power, J. F.; Flowerday, A. D.; Wiese, R. A.; Watts, D. G. Publisher: U. S. Department of Agriculture Resource Availability: No Guarantee NAL Subject: water quality/ cropping systems/ management systems/ nitrate nitrogen/ water pollution/ leaching/ groundwater contamination/ best management practices/ water management/ irrigation management/ fertilizer application/ soil nutrient dynamics/ plant pigments/ colorimetry/ remote sensing/ precision agriculture/ fertilizer rates/ tillage/ nutrient management/ agricultural policy/ extension education/ research programs/ Management Systems Evaluation Areas/ Midwestern United States/ Iowa/ Minnesota/ Missouri/ Nebraska/ Ohio/ Kansas/ North Dakota/ South Dakota/ Wisconsin/ Date: 1998-12-00 Go To Full Record |
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04. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: lakes and reserviors in nutrient ecoregion IV Author(s): U.S. Environmental Protection Agency, Office of Water Publisher: U.S. Environmental Protection Agency Resource Availability: No Guarantee NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ lakes/ reservoirs/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ grasslands/ shrublands/ rangelands/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Colorado/ Kansas/ Montana/ Nebraska/ North Dakota/ New Mexico/ Oklahoma/ Texas/ Wyoming/ Western United States/ Midwestern United States/ Great Plains region/ United States/ Date: 2001-12-00 Go To Full Record |
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05. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: lakes and reserviors in nutrient ecoregion IX Author(s): U.S. Environmental Protection Agency, Office of Water Publisher: U.S. Environmental Protection Agency Resource Availability: No Guarantee NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ lakes/ reservoirs/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ forests/ agricultural land/ pastures/ aquaculture/ poultry industry/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Alabama/ Arkansas/ Florida/ Georgia/ Illinois/ Indiana/ Iowa/ Kansas/ Kentucky/ Louisiana/ Maryland/ Mississippi/ Missouri/ New Jersey/ North Carolina/ Pennsylvania/ South Carolina/ Tennessee/ Texas/ Virginia/ Midwestern United States/ Northeastern United States/ Southeastern United States/ United States/ Date: 2000-12-00 Go To Full Record |
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06. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: lakes and reserviors in nutrient ecoregion V Author(s): U.S. Environmental Protection Agency, Office of Water Publisher: U.S. Environmental Protection Agency Resource Availability: No Guarantee NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ lakes/ reservoirs/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ agricultural land/ prairies/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Colorado/ Kansas/ Montana/ Nebraska/ North Dakota/ New Mexico/ Oklahoma/ South Dakota/ Texas/ Wyoming/ Western United States/ Great Plains region/ Midwestern United States/ United States/ Date: 2001-12-00 Go To Full Record |
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07. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: lakes and reserviors in nutrient ecoregion VI Author(s): U.S. Environmental Protection Agency, Office of Water Publisher: U.S. Environmental Protection Agency Resource Availability: No Guarantee NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ lakes/ reservoirs/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ agricultural land/ prairies/ pastures/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Illinois/ Indiana/ Iowa/ Kansas/ Michigan/ Minnesota/ Nebraska/ North Dakota/ Ohio/ South Dakota/ Wisconsin/ Midwestern United States/ Great Plains region/ Corn Belt region/ United States/ Date: 2000-12-00 Go To Full Record |
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08. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: rivers and streams in nutrient ecoregion IV Author(s): U.S. Environmental Protection Agency, Office of Water Publisher: U.S. Environmental Protection Agency Resource Availability: No Guarantee NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ rivers/ streams/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ grasslands/ shrublands/ rangelands/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Colorado/ Kansas/ Montana/ Nebraska/ North Dakota/ New Mexico/ Oklahoma/ Texas/ Wyoming/ Western United States/ Midwestern United States/ Great Plains region/ United States/ Date: 2001-12-00 Go To Full Record |
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09. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: rivers and streams in nutrient ecoregion IX Author(s): U.S. Environmental Protection Agency, Office of Water Publisher: U.S. Environmental Protection Agency Resource Availability: No Guarantee NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ rivers/ streams/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ forests/ agricultural land/ pastures/ aquaculture/ poultry industry/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Alabama/ Arkansas/ Florida/ Georgia/ Illinois/ Indiana/ Iowa/ Kansas/ Kentucky/ Louisiana/ Maryland/ Mississippi/ Missouri/ New Jersey/ North Carolina/ Pennsylvania/ South Carolina/ Tennessee/ Texas/ Virginia/ Midwestern United States/ Northeastern United States/ Southeastern United States/ United States/ Date: 2000-12-00 Go To Full Record |
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10. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: rivers and streams in nutrient ecoregion V Author(s): U.S. Environmental Protection Agency, Office of Water Publisher: U.S. Environmental Protection Agency Resource Availability: No Guarantee NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ rivers/ streams/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ agricultural land/ prairies/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Colorado/ Kansas/ Montana/ Nebraska/ North Dakota/ New Mexico/ Oklahoma/ South Dakota/ Texas/ Wyoming/ Western United States/ Great Plains region/ Midwestern United States/ United States/ Date: 2001-12-00 Go To Full Record |
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11. | Title: Ambient water quality criteria recommendations: information supporting the development of state and tribal nutrient criteria: rivers and streams in nutrient ecoregion VI Author(s): U.S. Environmental Protection Agency, Office of Water Publisher: U.S. Environmental Protection Agency Resource Availability: No Guarantee NAL Subject: water quality criteria/ water quality standards/ environmental policy/ laws and regulations/ Clean Water Act/ rivers/ streams/ nutrient enrichment/ nitrogen/ phosphorus/ chlorophyll/ turbidity/ ecosystems/ geomorphology/ agricultural land/ prairies/ pastures/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Illinois/ Indiana/ Iowa/ Kansas/ Michigan/ Minnesota/ Nebraska/ North Dakota/ Ohio/ South Dakota/ Wisconsin/ Midwestern United States/ Great Plains region/ Corn Belt region/ United States/ Date: 2000-12-00 Go To Full Record |
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12. | Title: America's Most Endangered Rivers of 2002 Author(s): American Rivers Publisher: American Rivers Resource Availability: No Guarantee NAL Subject: riverine habitat/ riverbank protection/ environmental protection/ governmental programs and projects/ hydraulic structures/ Missouri River/ United States/ Date: 2002-00-00 Go To Full Record |
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13. | Title: Atrazine Concentrations in the Delaware River, Kansas Author(s): Stamer, J. K.; Gunderson, K. D.; Ryan, B. J. Publisher: U. S. Department of the Interior, U. S. Geological Survey Resource Availability: No Guarantee NAL Subject: atrazine/ herbicides/ water pollution/ surface water/ lakes/ public water supply/ seasonal variation/ National Water Quality Assessment Program/ Kansas/ Date: 1995-04-00 Go To Full Record |
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14. | Title: Atrazine in Source Water Intended for Artificial Ground-Water Recharge, South-Central Kansas Author(s): Christensen, V. G.; Ziegler, A. C. Publisher: U. S. Department of the Interior, U. S. Geological Survey Resource Availability: No Guarantee NAL Subject: atrazine/ herbicide residues/ groundwater contamination/ seasonal variation/ pollution load/ groundwater recharge/ water pollution/ public water supply/ Kansas/ Date: 1998-05-00 Go To Full Record |
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15. | Title: Atrazine in Surface Water and Relation to Hydrologic Conditions Within the Delaware River Basin Pesticide Management Area, Northeast Kansas, July 1992 Through December 1994 Author(s): Pope, L. M. Publisher: U. S. Department of the Interior, U. S. Geological Survey Resource Availability: No Guarantee NAL Subject: atrazine/ herbicides/ surface water/ lakes/ public water supply/ agricultural runoff/ seasonal variation/ water quality analysis/ monitoring/ National Water Quality Assessment Program/ Kansas/ Date: 1995-09-00 Go To Full Record |
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16. | Title: Best management practices for atrazine Author(s): Devlin, D.L.; Regehr, D.L. Publisher: Kansas State University Resource Availability: No Guarantee NAL Subject: atrazine/ best management practices/ pollution control/ weed control/ herbicides/ nonpoint source pollution/ drinking water/ water quality criteria/ public health/ pesticide application/ application methods/ injection/ application timing/ application rate/ filter strips/ conservation buffers/ agricultural runoff/ chemical composition/ rainfall/ soil texture/ soil hydraulic properties/ infiltration (hydrology)/ leaching/ aquifers/ Kansas/ Date: 1996-03-00 Go To Full Record |
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17. | Title: Best Management Practices for Nitrogen Author(s): Devlin, D.L.; Whitney, D.A.; Lamond, R.E. Publisher: Kansas State University Resource Availability: No Guarantee NAL Subject: nitrogen/ best management practices/ nutrient management/ biogeochemical cycles/ nonpoint source pollution/ water pollution/ leaching/ aquifers/ conservation practices/ yields/ soil analysis/ sandy soils/ manure spreading/ saturated conditions/ fertilizer application/ application timing/ precision agriculture/ nitrification/ inhibitors/ animal manure management/ conservation buffers/ Kansas/ Date: 1996-03-00 Go To Full Record |
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18. | Title: Best Management Practices for Phosphorus Author(s): Devlin, D.L.; Whitney, D.A.; Pierzynski, G.M.; Jannessen, K. Publisher: Kansas State University Resource Availability: No Guarantee NAL Subject: phosphorus/ best management practices/ nonpoint source pollution/ water pollution/ erosion control/ biogeochemical cycles/ conservation practices/ conservation tillage/ no-tillage/ ridge tillage/ contour farming/ terraces/ strip cropping/ filter strips/ constructed wetlands/ basins/ planting/ soil analysis/ nutrient management/ manure storage/ manure handling/ irrigation management/ agricultural runoff/ Kansas/ Date: 1998-02-00 Go To Full Record |
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19. | Title: Dairy Processing Methods to Reduce Water Use and Liquid Waste Load Author(s): Rausch, K.D.; Powell, G.M Publisher: Kansas State University Resource Availability: No Guarantee NAL Subject: dairy farm management/ effluents/ wastewater/ water use/ water conservation/ waste management/ pollution load/ biochemical oxygen demand/ chemical oxygen demand/ Kansas/ Date: 1997-03-00 Go To Full Record |
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20. | Title: Determining Socially Optimal Nitrogen Application Rates Using a Delayed Response Model: The Case of Irrigated Corn in Western Kansas Author(s): Nkonya, E. M.; Featherstone, A. M. Publisher: University of Minnesota Resource Availability: No Guarantee NAL Subject: groundwater contamination/ nitrogen fertilizers/ application rate/ corn/ irrigated farming/ nutrient management/ environmental impact/ agricultural economics/ econometric models/ cost benefit analysis/ Kansas/ Date: 1999-00-00 Go To Full Record |