AGRICULTURAL NONPOINT SOURCE POLLUTION: Watershed Management and Hydrology - Chapter 8 potx

... Computations 8. 5.4 System Layout and Installation 8. 5.5 Operations and System Management 8. 6 Soil and Crop Management Aspects of Water-Table Management 8. 7 Water Quality Impacts 8. 7.1 Hydrology 8. 7.1.1 ... Drainge 8. 4 Types of Drainage Systems 8. 4.1 Surface Drainage 8. 4.2 Conventional Subsurface Drainage 8. 4.3 Water-Table Management 8. 5 Water-Table Manag...

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... Phosphorus Conductivity Demand ppm mmhos cm Ϫ1 Bellville, TX 9,000 4,000 85 85 340 230 — — 410 — Bushland, TX 15,000 15,700 1, 080 205 1,320 588 449 199 1,729 8. 4 Ft. Collins, CO 17,500 17 ,80 0 — 93 — — — — — 8. 6 McKinney, ... 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...

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... water program: 10 years of control- ling agricultural nonpoint source pollution, Washington D.C., USEPA, 1992. 8. Bull, L. and C. Sandretto, Crop residue management and tillage system trends, Vol. ... Treatment: Municipal, Industrial, and Agricultural, Lewis, Chelsea, MI, 1 989 . 1 08. Wildeman, T.R. and L.S. Laudon. Use of Wetlands for Treatment of Environmental Problems i...

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... Eng. 33(6): 188 2– 188 8. 1990. 38. Flanagan, D. C, and Nearing, M. A. USDA-Water Erosion Prediction Project: Hillslope Profile and Watershed Model Documentation. NSERL Report No. 10. USDA-ARS National ... Eng. 32(5):1 587 –1593. 1 989 . 58. Borah, D. K. Runoff simulation model for small watershed. Trans. Am. Soc. Agric. Eng. 32(3) :88 1 88 6. 1 989 . 59. Borah, D. K. Sediment disch...

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... Budgets 3 .8 Nitrogen and Water Management Practices to Reduce Nonpont Source Pollution 3 .8. 1 Nitrogen Management Practices 3 .8. 1.1 Accounting For All Sources 3 .8. 1.2 Realistic Yield Goals 3 .8. 1.3 ... quality impacts of land applied broiler litter, Paper No. 8 8- 2 050, ASAE, St. Joseph, MI, 1 988 . 98. Westerman, P. W., Donnelly, T. L., and Overcash, M. R., Erosion of...

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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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... 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 ... no-tillage and pre- emergent, disk and pre-emergent, plow and pre-emergent, disk and preplant incorpo- rated, and plow and preplant incorporated. In total, 63.5 and 127 mm...

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... Economics, 68: 7 98, 1 986 . 88 . Dinar, A. and Zilberman, D., The economics of resource conservation, pollution-reduc- tion technology selection—the case of irrigation water, Resources and Energy, ... 1,2 18 1,252 1993 Cotton 1.645 1.454 455 643 1, 087 1,060 95 1990 (good) Cotton 1.913 1.951 612 1,062 1,472 1, 689 1991 (good) Cotton 1 .81 1 1 .80 5 6 68 9 78 1,274 1,517 1990 (poor)...

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... Point and Nonpoint Sources, BASINS Verson 2.0 User’s Manual. EPA -8 2 3-B-9 8- 0 06, Washington, D.C., 19 98 58. Aller, L., T. Bennett, J. H. Lehr, and R. Petty, DRASTIC: A system to evaluate the pol- lution ... 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, I...

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