AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 3 ppt

... Denitrification 3. 2 Sources of Groundwater Contamination 3. 2.1 Fertilizers 3. 2.2 Livestock Wastes 3. 2 .3 Land Application of Manures, Sludges, and Wastewater 3. 3 Sources of Surface Water Contamination 3. 3.1 ... Fertilizers 3. 3.2 Animal Wastes 3. 3 .3 Land Application of Manures and Sludges 3. 4 Groundwater-Surface Water Interactions 3. 5 Riparian Zone Processes 3. 6 Ef...

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... Am. J. 1991. 55(2) :32 5 33 2. 35 . Neal, J. H. Effect of degree of slope and rainfall characteristics on runoff and soil erosion. Agric. Eng. 19(5): 231 –217. 1 938 . 36 . Watson, D. A. and Laflen, J. M. ... ASCE, 89(HY3):221–250. 19 63. 43. Lu, J. Y., Cassol, E. A., and Moldenhauer, W. C. Sediment transport relationships for sand and silt loam soils. Trans. Am Soc. Agric. Eng...

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... to “edge-of-field,” and there must be an agent capable of continuing the trans- port of P from edge-of-field to the aquatic system. Except where P leaching is sig- nificant, the edge-of-field ... environment are important factors in under- standing the potential for, and impacts of, P transport through watersheds in agricul- tural and native landscapes. The fate and transport of P dep...

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... triflu- ralin, dicamba, DCPA, and 2-4 -D. The most frequently detected insecticides were aldicarb and its degradates and carbofuran, whereas the most widely detected fumi- gants were 1,2-dibromo -3 - chloropropance ... and Transport Processes 5.2.1 Pesticide Properties 5.2.2 Soil Properties 5.2 .3 Site Conditions 5 .3 Groundwater Impacts 5 .3. 1 Monitoring Studies 5 .3. 2 Watersh...

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... Reduce Nonpoint Source Pollution 6.7.1 Barnyard and Feedlot Runoff 6.7.2 Manure Storage and Treatment Systems 6.7 .3 Land Application 6.7 .3. 1 Application Timing 6.7 .3. 2 Application Rate 6.7 .3. 3 Realistic ... al., 57 AL Alfalfa - spring b 205 21 1 year 10.7 12.1 Young and Mutchler, 58 MN Alfalfa - fall b 285 55 1 year 13. 2 13. 3 Young and Mutchler, 58 MN Corn -...

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... 1986. 88. Dinar, A. and Zilberman, D., The economics of resource conservation, pollution-reduc- tion technology selection—the case of irrigation water, Resources and Energy, 13: 3 23, 1991. 89. Wichelins, ... Farm-level management of deep percolation emissions in irrigated agricultural, Journal of the American Water Resources Association, 33 (2) :37 5, 1997. 101. Knapp, K. C., Irriga...

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... concentrations under no-tillage and conventional tillage, respec- tively, were 29.4 and 35 .6 mg/L at 1.2 m, 19.6, and 26.5 mg/L at 1.8, 18.5, and 13. 9 mg/L at 3. 0 m, and 2.4 and 4.5 mg/L at 4.6 ... 8.5 14.0 0. 13 0.24 Oats and alfalfa 6.4 8.5 0. 13 0. 13 Alfalfa-first year 6 .3 5.8 0. 13 0.15 Alfalfa-second year 9 .3 10.1 0.08 0.22 (b) Continuous Corn 4.4 8.9 0.26 0.2...

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... 17, 437 , 19 93. 94. Liao, H. H. and U. S. Tim, An Interactive Environment for Non-Point Source Pollution Control. J. Am. Water Res. Assoc., 33 (3) , 591, 1997. 95. Yoon, J., Watershed- Scale Nonpoint ... provides high-resolution and up-to-date data (Lillesand and Kiefer 83 ). Current commercial earth-orbiting satellites that can be used for this purpose include IKONOS, IRS, SP...

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... Data 10 .3. 1 .3 Step 3: Design of the Monitoring Network 10 .3. 1 .3. 1 Identification of the Sampling Locations 10 .3. 1 .3. 2 Selection of Water Quality Variables 10 .3. 1 .3. 3 Scheduling of Sampling 10 .3. 1.4 ... Quality, 23( 3), 437 , 1994. 62. Sims, J. T., Characteristics of animal wastes and waste-amended soils: an overview of the agricultural and environmental issues, in An...

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