956 resultados para Water quality variations
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Tillage and manure application practices significantly impact surface and ground water quality in Iowa and other Midwestern states. Tillage and manure application that incorporates residue and disturbs soil result in higher levels of soil erosion and surface runoff. Phosphorus and sediment loading are closely linked to the increase in soil erosion and surface water runoff. Manure application (i.e., injection or incorporation) reduces surface residue cover, which can worsen soil erosion regardless of the tillage management system being used. An integrated system approach to manure and tillage management is critical to ensure effi cient nutrient use and improvement of soil and water quality. This approach, however, requires changes in manure application technology and tillage system management to ensure the success of an integrated
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History has taken its toll on Muchakinock Creek. A number of problems over the years have led to the stream’s current state, one that’s landed it on Iowa’s list of impaired waters. However, the stream is also full of opportunity. The opportunity to improve water quality not only for the aquatic life and wildlife that live there, but also to pass along clean water to future generations of Iowans. But to act on this opportunity, we need your help.
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Report produced by Iowa Department of Natural Resources about water quality issues.
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A report by the Iowa Department of Natural Resources on how to manage water quality information.
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Part of Iowa's Water Ambient monitoring Program, produced by the Iowa Department of Natural Resources.
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Water fact sheet for Iowa Department of Natural Resources and the Geological Bureau.
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Water fact sheet for Iowa Department of Natural Resources and the Geological Bureau.
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Water fact sheet for Iowa Department of Natural Resources and the Geological Bureau.
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Water fact sheet for Iowa Department of Natural Resources and the Geological Bureau.
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Water fact sheet for Iowa Department of Natural Resources and the Geological Bureau.
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Water fact sheet for Iowa Department of Natural Resources and the Geological Bureau.
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This monthly report from the Iowa Department of Transportation is about the water quality management of Iowa's rivers, streams and lakes.
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This monthly report from the Iowa Department of Transportation is about the water quality management of Iowa's rivers, streams and lakes.
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This monthly report from the Iowa Department of Transportation is about the water quality management of Iowa's rivers, streams and lakes.
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This monthly report from the Iowa Department of Transportation is about the water quality management of Iowa's rivers, streams and lakes.