Al-Dahmani, J.M., P. A. Abbasi, S.A. Miller and H.A.J. Hoitink.  2003. Suppression of bacterial spot of tomato with foliar sprays of compost extracts under greenhouse and field conditions.  Plant Dis. 87:913-919.

Angel, R., N.M. Tamim, T.J. Applegate, A.S.  Dhandu, and L.E. Ellestad.  2002.  Phytic acid chemistry: Influence on phytin-phosphorus availability and phytase efficacy.  J. Appl. Poult. Res. 11: 471-480.

Annamalai, K., B. F. Thien, and J. M. Sweeten.  2003.  Co-Firing of coal and cattle feedlot biomass (FB) fuels, Part II: Performance results from 30 kW (100,000 BTU/Hr) laboratory scale boiler burner.  Fuel.  82(2003): 1183-1193.

Applegate, T.J., B.C. Joern, D. L. Nussbaum-Wagler, and R. Angel, 2003.  Water soluble phosphorus in fresh broiler litter is dependent upon phosphorus concentration fed but not on fungal phytase supplementation.  Poultry Sci.  82:1024-1029.

Applegate, T.J., R. Angel, and H.L. Classen, 2003.  Effect of dietary calcium, 25-hydroxycholecalciferol, and bird strain on small intestinal phytase activity in broiler chickens.  Poultry Sci. 82:1140-1148.

Arogo, J., P. W. Westerman and A. Heber.  2003.  A review of ammonia emissions from confined swine feeding operations.  Transactions of the ASAE 46(3):805-817.

Arogo, J., P. W. Westerman, A. J. Heber, W. P. Robarge and J. J. Classen.  2001.  Ammonia emissions from animal feeding operations.  White paper sponsored by the National Center for Manure and Animal Waste Management, Published by MWPS (also available on CD), Ames, IA. 63 pg.

Auvermann, B., R. Bottcher, A. Heber, D. Meyer, C.B. Parnell, Jr., B. Shaw, and J. Worley.  2001.  Particulate Matter Emissions from Animal Feeding Operations.  National Center for Manure and Animal Waste Management.  Available through midwest plan service at http://www.mwpshq.org.

Bakshi, M. P. S., and J. P. Fontenot.  1998.  Processing and nutritive value of broiler litter as livestock feed.  Anim. Feed Sci. Tech.  (In press).

Barrow, J. T., H. H. Van Horn, D. L. Anderson, and R. A. Nordstedt. 1997.  Effects of Fe and Ca additions to dairy wastewaters on solids and nutrient removal by sedimentation. Appl. Engin. in Agric. 13(2):259-267. 1997.

Beal, L. J., and D. R. Raman. 2000. Sequential Two-Stage Anaerobic Treatment of Confectionery Wastewater. Journal of Agricultural Engineering Research 76(2): 211-217.

Beal, L. J., and D. R. Raman. 2000. A Dual-Reactor Anaerobic System for Complete Treatment of a Food Processing Waste. ASAE Paper No. 006123. ASAE, St. Joseph, MI.

Beal, L. J., and D. R. Raman. 1998. Comparison of high-rate anaerobic processes for confectionery wastewater treatment. ASAE Paper No. 986109. ASAE, St. Joseph, MI.

Beal, L. J., F. H. Moody, J. T. Wesner, T. L. Ogle, B. A. Peters, M. L. Orr, J. A. Crouch, D. R. Raman, and R. E. Yoder. 1997. Feasibility of an Alternative Dairy Waste Management System. Technology: Journal of the Franklin Institute 335A:43-55.

Bicudo, J.R., L. M. Safley, Jr. and P. W. Westerman.  1999.  Nutrient content and sludge volumes in single-cell recycle anaerobic swine lagoons in North Carolina.  Transactions of the ASAE 42(4):1087-1093.

Bosch, D., M. Zhu, and E. T. Kornegay. 1997. Economic returns from reducing poultry litter phosphorus with microbial phytase.  J. Agric. Applied Econ. 29:255-266.

Bosch, D. J., M. Zhu, and E. T. Kornegay.  1998.  Net returns from microbial phytase when crop applications of swine manure are limited by phosphorus. J. Prod. Agric. 11:205-213.

Chaiprapat, S., J. Cheng, J. J. Classen, J. J. Ducoste and S. K. Liehr.  2003.  Modeling nitrogen transport in duckweed pond for secondary treatment of swine wastewater.  Journal of Environmental Engineering 129(8):731-739.

Changa, C.M., P.Wang, M.E.Watson, H.A.J. Hoitink, F.C. Michel Jr. 2003. Assessment of a commercial maturity test kit for composted manures. 2003. Compost Sci. Util. 11:127-145.

Chaudhry, S. M., J. P. Fontenot, and Z. Naseer.  1998.  Effect of deep stacking and ensiling broiler litter on chemical composition and pathogenic organisms.  Anim. Feed Sci. Tech. (In press).

Chen, Y., D. S. Bundy, and S. J. Hoff.  1998.  The dispersion parameters modeling and evaluation of odor control from agricultural sources.  J. Environ. Systems 26:27-39.

Chen, Y., D. S. Bundy, and S. J. Hoff.  1998.  Modeling the variation of wind speed with height for agricultural source pollution control.  ASHRAE Transactions, Vol 104.

Chen, Y. D. S. Bundy, and S. J. Hoff.  1998.  Development of a new model of dispersion parameters for odor control of agricultural source.  J. Agric. Engineering Res. 69:229-238.

Cheng, J. and B. Liu. 2002. Swine wastewater treatment in anaerobic digesters with floating medium. Transactions of the ASAE 45(3): 799-805.

Cheng, J., B.A. Bergmann, J.J. Classen, A.M. Stomp, and J.W. Howard. 2002. Nutrient recovery from swine lagoon water by Spirodela punctata. Bioresource Technology 81(1): 81-85.

Cheng, J., L. Landesman, B.A. Bergmann, J.J. Classen, J.W. Howard, and Y.T. Yamamoto. (In press) Nutrient removal from swine lagoon liquid by Lemna minor 8627. Transactions of the ASAE.

Clanton, C. J., D. R. Schmidt, R. E. Nicolai, P. R. Goodrich, L. D. Jacobson, K. A. Janni, S. Weisberg, and J. A. Buckel. 1999. Dynamic olfactometry variability in determining odor dilutions-to-threshold. Transactions of the ASAE 42(4):1103-1112.

Clanton, C. J., D. R. Schmidt, L. D. Jacobson, R. E. Nicolai, P. R. Goodrich, and K. A. Janni.  1999. Swine manure storage covers for odor control. Applied Engineering in Agriculture 15(5):567-572.

Clanton, C.J., D.R. Schmidt, R.E. Nicolai, L.D. Jacobson, P.R. Goodrich, K.A. Janni and J.R. Bicudo. Geotextile fabric-straw manure storage covers for odor, hydrogen sulfide, and ammonia control. Applied Engineering in Agriculture (in review).

Clanton, C. J., and D. R. Schmidt. 2000. Sulfur compounds in gases emitted from stored manure. Transactions of the ASAE 43(4). In press

Clanton C.J., R.E. Nicolai, and D.R. Schmidt. 1999. Chemical Additions to Swine Manure to Reduce Hydrogen Sulfide Losses a Laboratory Study. Paper No. 994007. ASAE, 2950 Niles Road, St. Joseph, MI 49085-9659 USA.

Classen, J. J., J. S. Young, R. W. Bottcher and P. W. Westerman.  2000. Design and analysis of a pilot-scale biofiltration system for odorous air.  Transactions of the ASAE 43(1):111-118.

Cooperband, L.R., P.M. Gale, and N.B. Comerford. 1999. Refinement of the in-situ, anion exchange membrane method for soluble phosphorus measurement in spodosols and wetlands. Soil Science Amer. J. 63:58-64.

Denbow, D. M., E. A. Grabau, G. H. Lacy, E. T. Kornegay, D. R. Russell, and P. F. Umbeck.  1998.  Soybeans transformed with a fungal phytase gene improve phosphorus availability for broilers. Poultry Sci. 77:878-881.

De Visscher, A., L. A. Harper, P. W. Westerman, Z. Liang, J. Arogo, R. R. Sharpe and O. Van Cleemput.  2002.  Ammonia emissions from anaerobic swine lagoons: Model development.  J. Applied Meteorology 41:426-433.

Drapcho, C., J. Kovar, D. Brune and G. Sabbagh.  1999.  Impact of poultry litter application on surface water quality.  ASAE Paper no. 99-2097. St. Joseph, MI.

Dugba, P.N. and R.H. Zhang. 1999. Treatment of dairy wastewater with two-stage anaerobic sequencing batch reactor systems - thermophilic vs. mesophilic operations.  Bioresource Technology. 68:225-233.

Dugba, P.N., R.H. Zhang, T.R. Rumsey and T.G. Ellis. 1999. Computer simulation of two-stage anaerobic sequencing batch reactor system for animal wastewater treatment. Transactions of the ASAE. 42(2)471-477.

Ekinci, K., H.M. Keener and D.L. Elwell.  2002.  Composting short paper fiber with broiler litter and additives.  II.  Evaluation and optimization of decomposition rate versus mixing ratio.   Compost Science & Utilization.  10(1):16-28.

Elwell, D.L. J.-H. Hong, and H.M. Keener.  2002.  Composting hog manure/sawdust mixtures using intermittent and continuous aeration.  Ammonia emissions.  Compost Science & Utilization.  10(2):142-149.

Elwell, D.L., H.M. Keener, M.C. Wiles, D.C. Borger and L.B. Willett.  2001.  Odorous emissions and odor control in composting swine manure/sawdust mixes using continuous and intermittent aeration.  Transactions of the ASAE.  44(5):1307-1316.

Entry, James A., Robert K. Hubbard, Janice E. Thies, and Jeff Fuhrman.  1999.  The influence of vegetation in riparian filterstrips on coliform bacteria: I. Movement and survival in water.  J. Environ. Qual. 29:1206-1214.

Entry, James A., Robert K. Hubbard, Janice E. Thies and Jeff Furhman.  1999. The influence of vegetation in riparian filterstrips on coliform bacteria: II. Survival in soils.  J. Environ. Qual. 29:1215-1224.

Entry, J.A., B.H. Wood, J.H. Edwards, and C.W. Wood. 1997. Influence of organic by-products and nitrogen source on chemical and microbiological status of an agricultural soil. Biol Fert Soils 24:196-204.

Evers, G. W.  2002.  Ryegrass-bermudagrass production and nutrient uptake when combining nitrogen fertilizer with broiler litter.  Agron. J. 94:905-910.

Evers, G. W. 1998. Comparison of boiler poultry litter and commercial fertilizer for Coastal bermudagrass production in the southeastern US. J. of Sustainable Agriculture 12:55-77.

Flynn, R.P. and C.W. Wood. 1996. Temperature and Chemical Changes During Composting of Broiler Litter. Compost Sci. and Utilization 4(3):62-70.

Fontenot, J. P.  1999.  Nutrient recycling: the North American experience. Asian-Aus. J. Anim. Sci. 12:642-650.

Gascho, G.J., R.K. Hubbard, T.B. Brenneman, A.W. Johnson, D. Sumner, and G.H. Harris.  2001.  Effects of Broiler Litter in an Irrigated, Double-Cropped, Conservation-Tilled Rotation.  Agron. J. 93:1315-1320.

Gaudreau, J.E., D.M. Vietor, R.H. White, T.L. Provin, and C.L. Munster. 2002. Response of Turf and Quality of Water Runoff to Manure and Fertilizer. J. Environ. Qual. 31:1316-1322.

Gale, P.M., M.D. Mullen, M. Kirchner, B.N. Duck, D.D. Tyler, C. Cieslik, and J. McClure. 2000. Phosphorus distribution and availability in response to dairy manure applications. Comm. Soil Sci. Plant Anal. 31: (5-6) 553-565.

Gralapp, A.K., W.J. Powers, M.A. Faust and D.S. Bundy. 2002. Effects of dietary ingredients on manure characteristics and odorous emissions from swine. J. Anim. Sci. 80(6):1512-1519.

Guo, H., L.D. Jacobson, D.R. Schmidt, R.E. Nicolai. 2001. Calibrating INPUFF-2 Model by Resident-Receptors for Long-Distance Odor Dispersion from Animal Feedlots. Applied Engineering in Agriculture, ASAE, Vol. 17(6): 859-868.

Harper, A. F., E. T. Kornegay, and T. C. Schell. 1997.  Phytase supplementation of low phosphorus growing-finishing pig diets improves performance, phosphorus digestibility and bone mineralization, and reduces phosphorus excretion.  J. Anim. Sci. 75:3164-3186.

Hawkins, G.L., D.T. Hill, E.W. Rochester and C.W. Wood. 1998. Evaluation of Vegetative Filter Strips for Swine Lagoon Wastewater. Transactions of the ASAE. 41(3):639-643.

Hawkins, G. L., and D. R. Raman. 1999. Kinetic Study of Anaerobic Filter and Anaerobic Sequencing Batch Reactor for Design of a Pretreatment System for Dairy and Swine Wastewater. ASAE Paper No. 994061. ASAE, St. Joseph, MI.

Hawkins, G.L., D.T. Hill, E.W. Rochester, and C.W. Wood. 1995. Evaluation of overland flow treatment for swine lagoon effluent. Trans. of ASAE. 38(2):397-402.

He, B. J., Y. Zhang, G. L. Riskowski.  1998.  Thermochemical conversion of swine manure:  temperature and pressure responses.  ASAE Paper No. 984016.  ASAE, St. Joseph, MI.

He, B.J., Y. Zhang, Y. Yin, T. L. Funk, and G. L. Riskowski. 2000a.  Thermochemical conversion of swine manure: an alternative process of waste treatment and renewable energy production. Transactions of American Society of Agricultural Engineers 43(6):1827-33.

He, B.J., Y. Zhang, Y. Yin, T. L. Funk, and G. L. Riskowski. 2000b.  Operating temperature and retention time effects on the thermochemical conversion process of swine manure.  Transactions of American Society of Agricultural Engineers 43(6):1821-25

Hill, D.T. and Cobb, S.A. 1996. Simulation of Process Steady-State in Livestock Waste Methanogenesis. TRANSACTIONS of ASAE. 39(2):565-573.

Hill, D.T., Rogers, J.W., Payne, V.W.E. and Kown, S.R.. 1996. Evaluation of Free-Water-Surface Constructed Wetlands for the Treatment of Poultry Lagoon Effluent. TRANSACTIONS of ASAE. 39(6):2113-2117.

Hill, D.T., Payne, V.W.E., Rogers, J.W. and Kown, S.R. 1997. Ammonia Effects on the Biomass Production of Five Constructed Wetlands Plant Species. BioResource Technology. 62(3):109-113.

Hill, D.T. and Rogers, J.W.  1997. Auburn University Constructed Wetlands for the Treatment of Poultry Lagoon Effluent-A Case Study. R. L. Knight and V.W.E. Payne, eds. Constructed Wetlands for Animal Waste Management-Literature Review, Database and Research Synthesis. CH2M Hill. Gainesville, FL. USA.

Hill, D.T. and Payton, J.D. 1998. Influence of Temperature on Treatment Efficiency of Constructed Wetlands. TRANSACTIONS of ASAE. 41(2):393-396.

Hill, D. T., and J. D. Payton.  1998.  Influence of temperature on treatment efficiency of constructed wetlands.  Trans. ASAE  41(2):393-396.

Hill, D.T. and Payton, J.D.  1999. Effect of Plant Fill Ratio on Water Temperature in Constructed Wetlands. BioResource Technology.  71(3): 283-289.

Hill, D.T. and Bolte, J.P. 2000. Methane Production from Low Solids Concentration Liquid Swine Waste Using Conventional Anaerobic Fermentation. BioResource Technology.  74(3): 241-247.

Hill, D.T. and Baier, J.W.  2000. Physical and Chemical Properties of Screened-Flushed Pig Slurry Waste. Journal of Agricultural Engineering Research. 77(4);441-448.

Hill, D. T.  S. E. Taylor and T.E. Grift. 2001. Simulation of Low Temperature Anaerobic Digestion of Dairy and Swine Manure. BioResource Technology. 78 (2): 127-131.

Hill, V. R., A. Kantardjieff, M. D. Sobsey and P. W. Westerman.  2002.  Reduction of enteric microbes in flushed swine wastewater treated by a biological aerated filter and UV radiation.  Water Environ. Res. 74(1):91-99.

Hubbard, R.K., J.M. Ruter, G.L. Newton, and J.G. Davis. 1999.  Nutrient uptake and growth response of six wetland plant species receiving swine lagoon effluent.  Transactions of the ASAE. 42(5):1331-1341.

Hubbard, R. K., G. L. Newton, and G. J. Burtle.  1998.  Land application of swine lagoon waste using an overland flow system.  Paper No. 982112, ASAS, St. Joseph, MI.

Hubbard, R.K., G.L. Newton, J.G. Davis, R. Lowrance, G. Vellidis, and R. Dove.  1998.  Nitrogen assimilation by riparian buffer systems receiving swine lagoon wastewater.   TRANS of ASAE  41(5):1295-1304.

Jacobson, L. D., D. Paszek, D. R. Schmidt, R. E. Nicolai, B. Hetchler, and J. Zhu. 1999. Odor and Gas Emissions from Animal Manure Storage Units and Buildings. ASAE paper # 99-4004. ASAE St. Joseph, MI.

Jacobson, L. D., H. Guo, D. R. Schmidt, R. E. Nicolai, J. Zhu, and K.A. Janni. 2000. Development of an Odor Rating System to Estimate Setback Distances from Animal Feedlots: Odor From Feedlots-Setback Estimation Tool (OFFSET). ASAE paper # 00-4044. ASAE St. Joseph, MI.

James, T., D. Meyer, E. Esparza, E.J. DePeters, and H. Perez-Monti. 1999. Effects of dietary nitrogen manipulation on ammonia volatilization from manure from Holstein heifers. J. Dairy Sci. 82: 2430-2439.

Janni, K.A and D. R. Schmidt. 2002. Correlation of Odor with Air and Manure Chemistry. Final report to the Minnesota Environmental Quality Board (EQB). January 15, 2002.

Janni, K.A and D. R. Schmidt. 2002. Emissions of Ammonia, Hydrogen Sulfide, Odor, and Particulate Matter. Final report to the Minnesota Environmental Quality Board (EQB) and the Minnesota Department of Agriculture (MDA). January 15, 2002

Keener, H.M.,  D.L. Elwell,  and D. Grande.  2001.  Atmospheric NH3 concentrations and N-balances for 1.6 million caged layer facility - manure belt/composting system vs deep pit operation. Transactions of ASAE.   Accepted.

Keener, H.M., D.L. Elwell K. Ekinci and H.A.J. Hointink.  2001.  Composting & value-added utilization of manure from a High-RiseTM swine finishing facility.    Compost Science & Utilization.  9(4):312-321.

Keener, H.M., D.L. Elwell, T. Menke and R. Stowell.  2001.  Design and performance of a high-rise hog facility manure drying bed.  Applied Engineering in Agriculture. 17(5):xxxx

Keener, H.M., D.L. Elwell, and D. Grande.  2002a. NH3 emissions and N-balances for 1.6 million caged layer facility: manure belt/composting system vs deep pit operation. Transactions of ASAE.  45(6):1977-1984.

Keener, H.M., S.S. Foster, S.J. Moeller,  D.L. Elwell.   2002f.  Dealing with dead livestock. Resource.  9(8):9-10.

Kingery, W.L., C.W. Wood, and J.C. Williams. 1996. Tillage and amendment effects on soil carbon and nitrogen mineralization and phosphorus release. Soil & Tillage Res. 37:239-250.

Kwak, W., J. P. Fontenot, and J. H. Herbein.  1998.  Effect of processing method on ruminal solubility and degradability of broiler litter.  Bioresource Technol. 66:13-18.

Li, X. and R.H. Zhang. 2002. Aerobic treatment of dairy wastewater with sequencing batch reactor systems. Bioprocess and Biosystem Engineering. 25:103-109.

Lien, R.J., J.B. Hess, D.E. Conner, C.W. Wood, and R.A. Shelby. 1998. Peanut hulls as a litter source for broiler breeder replacement pullets. Poultry Sci. 77:41-46.

Liu, F., Mitchell, C.C., Hill, D.T., Odom, J.W. and Rochester, E.W. 1997. Phosphorus Recovery in Surface Runoff from Swine Lagoon Effluent by Overland Flow.  J. Environmental Quality. 26(4):995-1001.

Liu, F., Mitchell, C.C., Odom, J.W., Hill, D.T. and Rochester, E.W.  1997. Swine Lagoon Effluent Disposal by Overland Flow: I. Effects on Forage Production and Uptake of N and P. Agronomy Journal. 89:900-904.

Liu, F., Mitchell, C.C., Odom, J.W., Hill, D.T. and Rochester, E.W.  1998. Effects of Swine Lagoon Effluent Application on Chemical Properties of a Loamy Sand. BioResource Technology. 63(1):65-73.

Lowrance, R., R. K. Hubbard, and R.G. Williams.  2001.  Denitrification from a Swine Lagoon Overland Flow Treatment System at a Pasture-Riparian zone Interface.  Journal of Environmental Quality.  30:617-624.

Lowrancee, R., J.C. Johnson, Jr., G.L. Newton, and R.G. Williams. 1998. Denitrification from soils of a year-round forage production system fertilized with liquid dairy manure. J. Environ. Qual. 27:1504-1511.

Maguire, R.O., J.T. Sims, J.M. McGrath, and C.R. Angel. 2003.  Phytase and 25-hydroxycholecalciferol in turkey diets affects phosphorus solubility in manure amended soils.  Soil Sci. 168:421-433.

Marshall, S.B., M.D. Mullen, M.L.  Cabrera, C.W. Wood, L.C. Braun, and E.A. Guertal. 2001. Nitrogen budget for fescue pastures fertilized with broiler litter in major land resource areas of the southeastern U.S. Nutrient Cycling in Agroecosystems 59 (1):75-83.

Marshall, S.B., M.L. Cabrera, L.C. Braun, C.W. Wood, M.D. Mullen, and E.A. Guertal. 1999. Denitrification from Fescue Pastures fertilized with Broiler Litter. J. Environ. Qual. 28:1978-1983.

Mayhew, C. R., and D. R. Raman. 1999. Mosquito Control and Pollutant Removal in Constructed Wetlands: Subsurface Flow Cells vs. Periodically Dry Surface Flow Cells. ASAE Paper No. 994075. ASAE, St. Joseph, MI.

Mayhew, C. R., D. R. Raman, R. R. Gerhardt, R. T. Burns, M. S. Younger. Periodic Draining of Constructed Wetland Mesocosms Treating Dairy Wastewater: Impact on Mosquito Populations and Pollutant Removal. Submitted to Ecological Engineering 10/00.

McCaskey, T. A., and N. K. Gurung. 1998.  Manure management to control E. coli 0157:H7 and Salmonella.  J. Dairy Sci.  81(Suppl. 1):6.

McFarland, A. M. S., M. J. McFarland, and J. M. Sweeten. Dairy Lagoon Design and Management Under Chronic Rainfall.  Applied Engineering in Agriculture. 16(3): 285-292.

Meyer, D.  2002.  Manure/effluent management.  Systems design and government regulations in Encyclopedia of Dairy Sciences.  Eds. H. Roginski, P. Fox, and J. Fuquay.  Academic Press.

Meyer, D.  2000.  Dairying and the environment.  J. Dairy Sci. 83:1419-1427.

Meyer, D. and D.D. Mullinax. 1999. Livestock nutrient management concerns: regulatory and legislative overview. J. Animal Sci. Vol 77 Suppl 2: 51-62.

Meyer, D. and L. Schwankl. 2000. Chapter 17. Liquid dairy manure utilization in a cropping system: A case study. In Beneficial uses of agricultural, industrial, and municipal by-products. Soil Science Society of America.

Miner, J. Ronald. 1999. Alternatives to minimize the environmental impact of large swine production units. J. Anim. Sci.  77:440-444.

Moody, L. B., and D. R. Raman. A Dual-Reactor Anaerobic System for Complete Treatment of a Food Processing Waste. Submitted to the Journal of Agricultural Engineering Research 8/00.

Morse Meyer, D., I. Garnett, and J.C. Guthrie. 1997. A survey of dairy manure management practices in California. J. Dairy Sci. 80: 1841-1845.

Ndegwa, P.M., J. Zhu, and A. Luo. 2000.  Solids-liquid Separation of Swine Manure for Odor Control.  ASAE paper #: 004076. St. Joseph MI.

Newton, G.J., J.K. Bernard, R.K. Hubbard, J.R. Allison, R.R. Lowrance, G.J. Gascho, R.N. Gates, and G. Vellidis.  2002.  Managing manure nutrients through multi-crop forage production.   J. Dairy Sci.

Nicolai, R. E., and K. A. Janni.  1997.  Development of a low cost biofilter on swine production facilities.  ASAE Paper No. 97-4040.  ASAE, St. Joseph, MI.

Otto, E. R., M. Yokoyama, S. Hengemuehle, R. D. von Bernuth, T. van Kempen, and N. L. Trottier. 2003. Ammonia, volatile fatty acids, phenolics and odor offensiveness in manure from growing pigs fed diets reduced in protein concentration. J. Anim. Sci. 2003. 81:1754-1763.

Parker, D. B., L. J. Perino, B. W. Auvermann, and J. M. Sweeten. 2000.  Water Use and Conservation at Texas High Plains Beef Cattle Feedyards. Applied Engineering in Agriculture, 16(1): 77-82.

Payton, J.D. and  Hill, D.T.  1997. Temperature Effects on the Treatment of Poultry Lagoon Wastewater in Constructed Wetlands. ASAE Paper No. 97-4109. ASAE, St. Joseph, MI.

Payton, J.D. and Hill, D.T. 1998. Plant Fill Ratio Effects on Water Temperature in Constructed Wetlands for Poultry Wastewater Treatment. ASAE Paper No. 98-4118. ASAE, St. Joseph, MI.

Pinto, A. M. A. C., and D. R. Raman. 2000. Using Fuzzy Logic to Determine Failure Modes in a Biological Sensor for UASB Reactors. ASAE Paper No. 006127. ASAE, St. Joseph, MI.

Powell, J.M. and Z. Wu. 15N labeling of dairy feces and urine for nutrient cycling studies.  Agronomy Journal.

Powers, W.J. 2002. ADSA Foundation Lecture: Keeping science in the environmental regulatory process; the role of the animal scientist. J.Dairy Sci. (accepted).

Powers, W.J. and L.A. Flatow. 2002. Effects of flocculent and flocculation rates on solids and phosphorus precipitation in dilute swine manure. Appl. Engng. Agric. (in press).

Powers, W.J. 1999. Odor control for livestock operations. J. Anim. Sci. 77, Suppl. 2/J. Dairy Sci. Vol. 82, Suppl. 2.

Powers, W.J. and H.H. Van Horn. 1999. Nutritional implications for manure nutrient management planning. Transactions of the ASAE.

Powers, W.J., H.H. Van Horn, A.C. Wilkie, C.J. Wilcox and R.A. Nordstedt. 1999. Effects of anaerobic digestion and additives to effluent or cattle feed on odors and odorant concentrations. J Anim. Sci. 77(6):1412-1421.

Powers, W. J., A. C. Wilkie, H. H. Van Horn, and R. A. Nordstedt. 1997. Effects of hydraulic retention time on performance and effluent odor of conventional and fixed-film anaerobic digesters fed dairy manure wastewaters.  Trans. ASAE 40(5):1449-1455.

Purdy, C. W., David C. Straus, Norbert Chirase, David B. Parker, J. R. Ayers and Mark D. Hoover. 2002. Effects of aerosolized feedyard dust that contains natural endotoxins on adult sheep. Am J. Vet Res. 63:28-35.

Radcliffe, J. S., Z. Ahang, and E. T. Kornegay.  1998.  The effects of microbial phytase, citric acid and their interaction in a corn-soybean meal based diet for weanling pigs.  J. Anim. Sci.  76:1880-1886.

Raman, D. R., L. J. Beal, S. W. Rye, A. C. Stiles, R. E. Yoder, and N. S. Eash. 1997. Kinetics and costs of COD and N removal in constructed wetlands treating dairy wastewater. ASAE Paper No. 974111. ASAE, St. Joseph, MI.

Raman, D. R., and R. R. Gerhardt. 1997. An insect-based detector of bovine manure odors. ASAE Paper No. 975025. ASAE, St. Joseph, MI.

Raman, D. R., and R. R. Gerhardt. 1997. Quantifying Manure Odor Strength with an Insect-based Detector. Transactions of the ASAE 40(6):1699-1707.

Raper, R.L., Edwards, J.H., Way, T.R.,  Burt, E.C. and Hill, D.T. 1996. Using Cellulose to Hinder Hardpan Reformation. ASAE Paper No. 96-1044. ASAE, St. Joseph, MI.

Raper, R.L., Edwards, J.H., Way, T.R., Washington, B.H., Burt, E.C.  and Hill, D.T. 1998. Effect of Vertical Trenching of Cellulose Waste on Crop Yield and Hardpan Reconsolidation. TRANSACTIONS of ASAE. 41(1):11-15.

Roberts, R. J., and C. J. Clanton. 2000. Surface seal hydraulic conductivity as affected by livestock waste application. Transaction of the ASAE 43(3):603-613.

Rogers, J.W., Hill, D.T., Payne, V.W.E. and Kown, S.R. 1996. Treatment of Poultry Lagoon Effluent Using Free-Water-Surface Constructed Wetlands. ASAE Paper No. 96-4055. ASAE, St. Joseph, MI.

Sanderson, Matt A., R.M. Jones, M.J.McFarland, Jason Stroup, R.L. Reed, and J.P Muir. 2001. Nutrient movement and removal in a switchgrass biomass-filter strip system treated with dairy manure.   J. Environ. Qual. 30:210-216.

Sanderson, Matt A. and Ronald M. Jones. 1997. Forage yields, nutrient uptake, soil chemical changes, and nitrogen volatilization from bermudagrass treated with dairy manure.  J. Prod. Agric. 10:266-271.

Sherlock, R.R., S.G. Sommer,  R.Z. Khan, C.W. Wood, E.A. Guertal, J.R. Freney C.O. Dawson, and K.C. Cameron. 2002. Emission of Ammonia, Nitrous Oxide and Methane from Pig Slurry Applied to a Pasture in New Zealand. J. Environ. Qual. 31:1491-1501.

Sherman, J.J., H.H. Van Horn and R.A. Nordstedt. 2000. Use of flocculants in dairy wastewaters to remove phosphorus. J. Appl. Eng. Agric. 16(4):445-452.

Sun, Y., C.J. Clanton, K.A. Janni, and G. Malzer. Sulfur and nitrogen balances in biofilters for odorous gas emission control. Transactions of the ASAE. (In Review)

Sun, H., R.R. Stowell, H. M. Keener, and F.C. Michel Jr.  2002a. Two-dimensional computational fluid dynamic (CFD) model of air velocity and ammonia distribution in a High-RiseTM Hog Building.  Transactions of ASAE.  45(6):1559-1568

Sun, Y. and Y. Zhang.  2003.   Validation of a stereoscopic particle image velocimetry system for  full-scale room air flow studies.  Transactions of Amer. Soc. Heat.  Refrig. Air Cond. Engr. 109(2).

Sutton, A., T. Applegate, S. Hankins, B. Hill, G. Allee, W. Greene, R. Kohn, D. Meyer, W. Powers, T. Van Kempen. 2002. Manipulation of animal diets to affect manure production, composition, and odors: State of the Science. National Center for Waste Management White Paper. Published by Midwest Plan Service, Ames, IA.

Sweeten, J. M., L. Jacobson, A. J. Heber, D. Schmidt, J. Lorimor, P. Westerman, J. R. Miner, R. Zhang, M. Williams and B. W. Auverman.  2001.  Odor mitigation for concentrated animal feeding operations.  White paper sponsored by the National Center for Manure and Animal Waste Management, Published by MWPS (also available on CD), Ames, IA. 50 pg.

Sweeten, J. M., C. B. Parnell, B. W. Auvermann, B. W. Shaw, and R.E. Lacey. 2000. Livestock Feedlots. Food and Agricultural Industry. Air Pollution Engineering Manual. (2nd edition, W. Davis, ed.). John Wiley 7 Sons, Inc., New York, New York. pp.488-496.

Sweeten, J.M. 2000. Manure and Wastewater Management for Cattle Feedlots. Review of Environmental Contamination and Toxicology. (D. P., Morgan, ed.) 167: 121-153.

Tamim, N.M., and R. Angel. 2003.  Phytate phosphorus hydrolysis as influenced by dietary calcium and micro-mineral source in broiler diets.  J. Agric. Food Chem. 51:4687-4693.

Tan, Z.C. and Y. Zhang.   2002.  Advances in centrifugal separators for particulate matter control  from stationary sources.  J. Thermal Science 11(3):283-288.   

Tan, Z.C. and Y. Zhang.  2003.  An overview of particulate matter in indoor environments: sources and effects.  Transactions of Amer. Soc. Heat. Refrig. Air Cond. Engr.   109(2).   

Thompson, R.B., D. Morse, K.A. Kelling, and L.E. Lanyon. 1997. Computer programs that calculate manure appliation rates. J. Prod. Ag. 10:58-69.

Thompson, R. B. and J. J. Meisinger. 2002.  Management factors affecting ammonia volatilization from land-applied cattle slurry in the Mid-Atlantic US.  J. Environ. Quality 31:1329-1338.

Tomlinson, A. P., H. H. Van Horn, R. A. Nordstedt, and C. J. Wilcox. 1996. Effect of dietary protein on nitrogen excretion and manure characteristics of lactating cows. Trans. ASAE 39(4):1441-1448.

Traylor, S.L., G.L. Cromwell, M.D. Lindemann, and D.A. Knabe.  2001.  Effects of level of supplemental phytase on ileal digestibility of amino acids, calcium, and phosphorus in dehulled soybean meal for growing pigs.  J. Anim. Sci. 79:2634-2642.

Turner, L. W., R. S. Gates, G. L. Cromwell, J. L. Tarabe, and H. J. Monegue.  1998.  Continuous measurement of ammonia and harmful gaseous emissions from simulated manure pits.  Paper 984059, ASAE, St. Joseph, MI.

University of Iowa and Iowa State University. 2002. Iowa concentrated animal feeding operations air quality study. A peer-reviewed report submitted to Director Vonk, Iowa Department of Natural Resource. Developed at the request of Gov. Vilsak.

Van Kempem, T.A.T.G., W.J. Powers, and A. Sutton. 2002. Technical note: Fourier transform infrared (FTIR) spectroscopy as an optical nose for predicting odor sensation. J. Anim. Sci. 80(6):1524-1527.

Vartak, D.R., C.R.Engler, M.J. McFarland and S.C. Ricke. 1997. Attached-film media performance in psychrophilic anaerobic treatment of dairy cattle wastewater.  Bioresource Technology 62(3):79-84.

Vartak, D.R., C. R. Engler, M.J. McFarland and S.C. Ricke. 1998. Low temperature anaerobic digestion response to organic loading rate and bioaugmentation. J. Environ. Sci. Health. B.

Vartak, D.R., C.R. Engler, S.C. Ricke, M.J. McFarland and F.M. Byers. 1998 Mesophilic performance of attached-film reactors subject to low temperature stress.  Transactions of the ASAE.

Vellidis G., R. Lowrance, P. Gay, R.W. Hill, and R.K. Hubbard.  2002.  Nutrient transport in a restored riparian wetland.  Accepted by JEQ.

Vietor, D.M., E.N. Griffith, R.H. white, T.L. Provin, J.P. Muir, and J.C. Read. 2002. Export of manure phosphorus and nitrogen in turfgrass sod. J. Environ. Qual. 31:1731-1738.

Wang, E., W. L. Harman, J. R. Williams, and J. M. Sweeten.  2002.  Profitability and nutrient losses of alternative manure application strategies with conservation tillage.  Journal of Soil and Water Conservation 57(4):221-228.

Wang, X., P. G. Stroot, Y. Zhang, and G. L. Riskowski.  1998.  Odor carrying characteristics of dust from swine facilities.  ASAE Paper No. 984068.  ASAE, St. Joseph, MI.

Westerman, P. W. and J. R. Bicudo.  2002.  Application of mixed and aerated pond for nitrification and denitrification of flushed swine manure.  Applied Engineering in Agriculture 18(3):351-358.

Westerman, P. W. and J. R. Bicudo.  1999.  Evaluation of the AWASH aerobic treatment and recycle system for flushed swine manure.  ASAE Paper No. 994094.  ASAE, St. Joseph, MI.

Westerman, P. W. and J. R. Bicudo.  2000.  Tangential flow separation and chemical enhancement to recover swine manure solids, nutrients and metals.  Bioresource Technology 73(1):1-11.

Westerman, P. W., J. R. Bicudo and A. Kantardjieff. 2000.  Upflow biological aerated filters for the treatment of flushed swine manure. Bioresource Technology 74(3):181-190.

Wiles, M.C.,D.L. Elwell, H.M. Keener, J.C. Amburgey, D.C. Borger and L.B. Willett.  2001.  Volatile fatty acid emissions during composting of swine waste amended with sawdust as a measure of odor potential.  Compost Science & Utilization 9(1):27-37.

Willett, L. B., D.C. Borger, D.L. Elwell, and H.M. Keener. 2002.  Initial concentrations and disappearance of selected malodorous compounds from fresh and aged dairy manures.  Toxicologist  55: (accepted)

Wood, B.H., C.W. Wood, K.H. Yoo, K.S. Yoon, and D.P. Delaney. 1996. Nutrient accumulation and nitrate leaching under broiler litter amended corn. Comm. Soil Sci. and Plant Anal. 27:2875-2894.

Wood, B.H., C.W. Wood, K.H. Yoo, K.S. Yoon, and D.P. Delaney. 1999. Seasonal surface  runoff losses of nutrients and metals from soils fertilized with broiler litter and commercial fertilizer. J. Environ. Qual. 28:1210-1218.

Wood, C.W., S.B. Marshall, and M.L. Cabrera. 2000. Improved method for field-scale measurement of ammonia volatilization. Comm. Soil Sci. and Plant Anal. 31(5&6):581-590.

Yang, P.Y., Chen, H.J. and Kim, S.J. 2003. Integrating EMMC process for biological removal of carbon and nitrogen for diluted swine wastewater for agriculture reuse. Bioresouce Technology. 86, Page 245-252.

Yang, P.Y.and Z.Wang. 1999. Integrating an intermittent aerator in a swine wastewater treatment system for land-limited conditions. Bioresource Technology. 69:191-198

Yang, P. Y., and C. Gan. 1998.  An on-farm swine waste management system in Hawaii.  Bioresource Technol.  65:21-27.

Yang, P.Y., et al. (1997). A prototype Small Waste Treatment System for Land Limited and Tropical Application. Water Science and Technology. 35:145-152.

Zhang, Y.  2003.  Analysis and validation of particle separation  efficiency in a centrifugal field under laminar and perfect mixing  conditions.  Transactions of Amer. Soc. Heat. Refrig. Air Cond. Engr.  109(2).

Zhang, Y., and W. Gaakeer.  1998.  An inflatable cover for a concrete manure storage in a swine facility.  Appl. Engineering Agric.  14(5):557-562.

Zhang, Z. B., E. T. Kornegay, D. M. Benbow, C. T. Larsen, and H. P. Veit.  1998.  Comparison of genetically engineered microbial and plant phytase for young broilers.  Poultry Sci.  76(Suppl. 1):6.

Zhao, L., Y. Zhang, L. L. Christianson, and G. L. Riskowski.   1998.  Measurement of aerosol concentration and transportation in ventilated airspaces using particle image techniques.  ASAS Paper No. 984064, ASAE, St. Joseph, MI.

Zhu, J., P.M. Ndegwa, and A. Luo. 2000. Changes in swine manure solids during storage may affect separation efficiency. Applied Engineering in Agriculture 16(5):571-575