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[1 - 20] [21 - 40] [41 - 43] Next
| Records 1 thru 20 of 43
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01. | Title: Agricultural Drainage: Water Quality Impacts and Subsurface Drainage Studies in the Midwest
Author(s): Zucker, L.E.; Brown, L.C.
Publisher: Department of Food, Agricultural, and Biological Engineering at The Ohio State University
Resource Availability: No Guarantee
NAL Subject: drainage/ management systems/ extension education/ best management practices/ agricultural runoff/ environmental impact/ surface drainage/ subsurface drainage/ soil hydraulic properties/ wetlands/ groundwater contamination/ water quality/ water management/ agricultural engineering/ on-farm research/ yields/ agrochemicals/ nitrogen/ pesticide application/ information sources/ Management Systems Evaluation Areas/ Midwestern United States/ Ohio/ Illinois/ Indiana/ Minnesota/ Michigan/ Iowa/ Missouri/ Wisconsin/
Date: 1998-00-00
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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
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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
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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 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
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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 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
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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 VII
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/ glacial deposits/ dairy farming/ pastures/ wetlands/ forests/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Illinois/ Indiana/ Iowa/ Michigan/ Minnesota/ New York/ Ohio/ Pennsylvania/ Wisconsin/ Midwestern United States/ Northeastern United States/ Great Lakes region/ United States/
Date: 2000-12-00
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07. | 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
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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 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
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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 VII
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/ glacial deposits/ dairy farming/ pastures/ wetlands/ forests/ data collection/ sampling/ statistical analysis/ environmental models/ quality control/ Illinois/ Indiana/ Iowa/ Michigan/ Minnesota/ New York/ Ohio/ Pennsylvania/ Wisconsin/ Midwestern United States/ Northeastern United States/ Great Lakes region/ United States/
Date: 2000-12-00
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10. | Title: Assessments of Practices to Reduce Nitrogen and Phosphorus Nonpoint Source Pollution of Iowa?s Surface Waters
Author(s): Dinnes, D. L.
Publisher: U.S. Department of Agriculture National Soil Tilth Laboratory
Resource Availability: No Guarantee
NAL Subject: nonpoint source pollution/ nutrient management/ nitrogen/ phosphorus/ conservation practices/
Date: 2005-01-20
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11. | Title: Atrazine: Midwest Studies Provide Some Answers
Author(s): Iowa State University, Management Systems Evaluation Areas, Information Awareness- Expanding Awareness (IDEA)
Publisher: Iowa State University
Resource Availability: No Guarantee
NAL Subject: atrazine/ cropping systems/ extension education/ research programs/ soil water movement/ surface water/ groundwater contamination/ water pollution/ water quality/ pesticide persistence/ herbicide residues/ metabolites/ watershed management/ best management practices/ nutrient management/ crop rotation/ tillage/ pesticide application/ irrigation management/ Management Systems Evaluation Areas/ Midwestern United States/ Iowa/ Minnesota/ Missouri/ Nebraska/ Ohio/ South Dakota/ Wisconsin/
Date: 1999-05-00
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12. | Title: Atrazine: Midwest Studies Provide Some Answers (Factsheet)
Author(s): Miller, G.; Brown, S.; Becker, D.
Publisher: Iowa State University
Resource Availability: No Guarantee
NAL Subject: atrazine/ cropping systems/ extension education/ research programs/ soil water movement/ surface water/ groundwater contamination/ water pollution/ water quality/ pesticide persistence/ herbicide residues/ watershed management/ best management practices/ nutrient management/ pesticide application/ Management Systems Evaluation Areas/ Midwestern United States/ Iowa/ Minnesota/ Missouri/ Nebraska/ Ohio/ South Dakota/ Wisconsin/
Date: 1999-05-00
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13. | Title: Changing Face of the UMR Basin Agriculture: Selected Profiles of Farming and Farm Practices
Publisher: National Audubon Society, Upper Mississippi River Campaign
Resource Availability: No Guarantee
NAL Subject: watershed management/ agroecosystems/ ecosystems/ prairies/ savannas/ forests/ hydrologic data/ urban development/ environmental impact/ population characteristics/ land use/ urban areas/ agricultural land/ farm size/ farm numbers/ land economics/ fertilizer application/ application rate/ herbicides/ Conservation Reserve Program/ farm corporations/ commercial farms/ family farms/ occupations/ farm operators/ population characteristics/ population density/ swine/ turkeys/ poultry/ geographic information systems/ Iowa/ Illinois/ Minnesota/ Missouri/ Wisconsin/ Mississippi River/
Date: 2000-09-00
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14. | Title: Crop Farmers' Willingness to Use Manure
Author(s): Núñez, J.; McCann, L.
Publisher: University of Minnesota
Resource Availability: No Guarantee
NAL Subject: land application/ manure spreading/ animal manure management/ water quality/ farmers attitudes/ crop production/
Date: 2004-08-01
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15. | Title: Earthen Waste Storage Structures in Iowa: A Study for the Iowa Legislature
Author(s): Iowa Cooperative Extension Service
Publisher: Iowa State University
Resource Availability: No Guarantee
NAL Subject: manure storage/ animal manure management/ waste management/ waste lagoons/ on-farm research/ hydrogeology/ aquifers/ leaching/ nonpoint source pollution/ water pollution/ groundwater contamination/ agricultural management/ risk assessment/ seepage/ measurement/ soil analysis/ soil chemical properties/ contaminants/ Iowa/
Date: 1999-08-00
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16. | Title: Farm Programs and the Environment: The Case for a Limited Land Payment
Author(s): Peterson, W. L.
Publisher: University of Minnesota
Resource Availability: No Guarantee
NAL Subject: agricultural programs and projects/ agricultural economics/ government payments/ supply balance/ corn/ soybeans/ crop acreage/ agrochemicals/ fertilizer rates/ agricultural policy/ environmental policy/ statistical analysis/ Corn Belt region/ Illinois/ Indiana/ Iowa/ Michigan/ Minnesota/ Missouri/ Nebraska/ Ohio/ South Dakota/ Wisconsin/
Date: 1995-05-00
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17. | Title: Fence
Author(s): U. S. Department of Agriculture, Natural Resources Conservation Service, Iowa State Office
Publisher: U. S. Department of Agriculture
Resource Availability: No Guarantee
NAL Subject: best management practices/ conservation practices/ fences/ natural resource management/ standards and grades/ Iowa/
Date: 2003-03-00
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18. | Title: Herbicides and Nitrate in the Iowa River Alluvial Aquifer Prior to Changing Land Use, Iowa County, Iowa, 1996
Author(s): Savoca, M. E.; Tobias, J. L.; Sadorf, E. M.; Birkenholtz, T. L.
Publisher: U. S. Department of the Interior, U. S. Geological Survey
Resource Availability: No Guarantee
NAL Subject: herbicides/ alachlor/ atrazine/ cyanazine/ metolachlor/ nitrate nitrogen/ groundwater contamination/ sampling/ wells/ National Water Quality Assessment Program/ Iowa/ Minnesota/
Date: 1997-00-00
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19. | Title: Hydrogeologic Settings of Selected Earthen Waste Storage Structures Associated With Confined Animal Feeding Operations in Iowa: A Report to the Legislature of the State of Iowa
Author(s): Simpkins, W. W.; Burkart, M. R.; Helmke, M. F.; Twedt, T. N.; James, D. E.; Jaquis, R. J.; Cole, K. J.
Publisher: Iowa State University ; U. S. Department of Agriculture
Resource Availability: No Guarantee
NAL Subject: hydrogeology/ soil water balance/ soil properties/ manure storage/ waste lagoons/ concentrated animal feeding operations/ groundwater contamination/ aquifers/ public water supply/ risk assessment/ data collection/ surveys/ Iowa/
Date: 1999-01-00
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20. | Title: Interpretation of Soil Test Results
Author(s): Sawyer, J. E.; Mallarino, A. P.; Killorn, R.
Publisher: Iowa State University
Resource Availability: No Guarantee
NAL Subject: soil analysis/ testing/ nutrient availability/ nitrate nitrogen/ phosphorus/ potassium/ zinc/ surface water/ groundwater/ pesticide residues/ methodology/ Iowa/
Date: 1999-08-00
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