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Searched for as a phrase: colorimetry in "NAL_subject"
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Records 1 thru 2 of 2

[1 - 2]

01.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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02.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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[1 - 2]

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