Northwest Irrigation and Soils Research : People & Places

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David (Dave) Bjorneberg

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David Tarkalson

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April B. Leytem

Research Soil Scientist

Publications (Clicking on the reprint icon

will take you to the publication reprint.)

Comparison of atmospheric stability methods for calculating ammonia and methane emission rates with WindTrax

- (Peer Reviewed Journal)

Koehn, A.C., Leytem, A.B., Bjorneberg, D.L. 2013. Comparison of atmospheric stability methods for calculating ammonia and methane emission rates with WindTrax. Transactions of the ASABE. 56(2):763-768.

Quantification of bacterial indicators and zoonotic pathogens in dairy wastewater ponds - (Peer Reviewed Journal)

Dungan, R.S., Klein, M., Leytem, A.B. 2012. Quantification of bacterial indicators and zoonotic pathogens in dairy wastewater ponds. Applied and Environmental Microbiology. 78(22):8089-8095.

Greenhouse Gas and Ammonia Emissions from an Open-Freestall Dairy in Southern Idaho - (Peer Reviewed Journal) - (20-Aug-12)

Analysis of total metals in waste molding and core sands from ferrous and non-ferrous foundries - (Peer Reviewed Journal)

Miguel, R.E., Ippolito, J.A., Leytem, A.B., Porta, A.A., Banda Noriega, R.B., Dungan, R.S. 2012. Analysis of total metals in waste molding and core sands from ferrous and non-ferrous foundries. Journal of Environmental Management. 110:77-81.

Effect of sprinkler pressure and spray plate on culturable microorganism concentrations during simulated irrigation of dairy wastewater - (Peer Reviewed Journal)

Dungan, R.S., Bjorneberg, D.L., Leytem, A.B. 2011. Effect of sprinkler pressure and spray plate on culturable microorganism concentrations during simulated irrigation of dairy wastewater. Transactions of the ASABE. 54(5):1669-1673.

Nutrient availability to corn from dairy manures and fertilizer in a calcareous soil - (Peer Reviewed Journal)

Leytem, A.B., Dungan, R.S., Moore, A. 2011. Nutrient availability to corn from dairy manures and fertilizer in a calcareous soil. Soil Science. 170:426-434.

Residual effects of fresh and composted dairy manure applications on potato production - (Peer Reviewed Journal)

Moore, A.D., Olsen, N.L., Carey, A.M., Leytem, A.B. 2011. Residual effects of fresh and composted dairy manure applications on potato production. American Journal of Potato Research. Available: http://www.springerlink.com/content/ek7858uj37088r50/fulltext.html.

Concentrations of airborne endotoxin and microorganisms at a 10,000 cow open-freestall dairy - (Peer Reviewed Journal)

Dungan, R.S., Leytem, A.B., Bjorneberg, D.L. 2011. Concentrations of airborne endotoxin and microorganisms at a 10,000 cow open-freestall dairy. Journal of Animal Science. 89:3300-3309.

Using multiple calibration sets to improve the quantitative accuracy of partial least squares (PLS) regression on open-path fourier transform infrared (OP/FT-IR) spectra of ammonia over wide concentration ranges - (Peer Reviewed Journal)

Shao, L., Liu, B., Griffiths, P.R., Leytem, A.B. 2011. Using multiple calibration sets to improve the quantitative accuracy of partial least squares (PLS) regression on open-path fourier transform infrared (OP/FT-IR) spectra of ammonia over wide concentration ranges. Applied Spectroscopy. 65(7):820-824.

Sheep bedding in the Centennial Mountains of Montana and Idaho: effects on vegetation - (Peer Reviewed Journal)

Seefeldt, S.S., Leytem, A.B. 2011. Sheep bedding in the Centennial Mountains of Montana and Idaho: effects on vegetation. Western North American Naturalist. 71(3):361-373.

Dairy manure nitrogen availability in eroded and noneroded soil for sugarbeet followed by small grains - (Peer Reviewed Journal)

Lentz, R.D., Lehrsch, G.A., Brown, B., Johnson-Maynard, J., Leytem, A.B. 2011. Dairy manure nitrogen availability in eroded and noneroded soil for sugarbeet followed by small grains. Agronomy Journal. 103:628-643.

Hydrological effects of sheep bedding on subalpine range.

- (Proceedings)

Moffet, C.A., Leytem, A.B., Pierson Jr, F.B. 2010. Hydrological effects of sheep bedding on subalpine range. Proceedings of the 63rd Annual Meeting of the Society Range Management, February 7-11, 2010, Denver, Colorado. P A-68.

Advances in Data Processing for Open-path Fourier Transform Infrared Spectrometry of Greenhouse Gases - (Peer Reviewed Journal)

Shao, L., Griffiths, P.R., Leytem, A.B. 2010. Advances in Data Processing for Open-path Fourier Transform Infrared Spectrometry of Greenhouse Gases. Analytical Chemistry. 82(19):8027-8033.

Ambient Endotoxin Concentrations and Assessment of Offsite Transport at Open-Lot and Open-Freestall Dairies. - (Peer Reviewed Journal)

Dungan, R.S., Leytem, A.B. 2011. Ambient Endotoxin Concentrations and Assessment of Offsite Transport at Open-Lot and Open-Freestall Dairies.. Journal of Environmental Quality. 40(2):462-467.

Nutrient concentrations and proportions in particle size fractions of corn steam flaked to different bulk densities - (Peer Reviewed Journal)

Hales, K.E., Cole, N.A., Galyean, M.L., Leytem, A.B. 2010. Nutrient concentrations and proportions in particle size fractions of corn steam flaked to different bulk densities. Professional Animal Scientist. 26(5):511-519.

Emissions of Ammonia, Methane, Carbon Dioxide and Nitrous Oxide From Dairy Cattle Housing and Manure Management Systems

- (Peer Reviewed Journal)

Leytem, A.B., Dungan, R.S., Bjorneberg, D.L., Koehn, A.C. 2011. Emissions of Ammonia, Methane, Carbon Dioxide and Nitrous Oxide From Dairy Cattle Housing and Manure Management Systems. Journal of Environmental Quality. 40(5):1383-1394.

Phosphorus Utilization and Characterization of Excreta From Swine Fed Diets Containing A Variety of Cereal Grains Balanced For Total Phosphorus

- (Peer Reviewed Journal)

Leytem, A.B., Thacker, P.A. 2010. Phosphorus Utilization and Characterization of Excreta From Swine Fed Diets Containing A Variety of Cereal Grains Balanced For Total Phosphorus. Journal of Animal Science. 88:1860-1867.

Assessment of bioaerosols at a concentrated dairy operation - (Peer Reviewed Journal)

Dungan, R.S., Leytem, A.B., Ver Wey, S.A., Bjorneberg, D.L. 2010. Assessment of Bioaerosols at a Concentrated Dairy Operation. Aerobiologia. 26(3):171-184 Available: 1372.

Year-Long Monitoring of Airborne Endotoxin at a Concentrated Dairy Operation - (Peer Reviewed Journal)

Dungan, R.S., Leytem, A.B., Bjorneberg, D.L. 2010. Year-Long Monitoring of Airborne Endotoxin at a Concentrated Dairy Operation. Aerobiologia. 26:141-148.

Transport and Fate of Phosphorus During and After Manure Spill Simulations

- (Peer Reviewed Journal)

Armstrong, S.D., Smith, D.R., Joern, B.C., Owens, P.R., Leytem, A.B., Huang, C., Adeola, L. 2010. Transport and Fate of Phosphorus During and After Manure Spill Simulations. Journal of Environmental Quality. 39:345-352.

Measurement of atmospheric ammonia, methane, and nitrous oxide at a concentrated dairy production facility in southern Idaho using open-path FT-IR spectrometry - (Peer Reviewed Journal)

Bjorneberg, D.L., Leytem, A.B., Westermann, D.T., Griffiths, P.R., Shao, L., Pollard, M.J. 2009. Measurement of Atmospheric Ammonia, Methane, and Nitrous Oxide at a Concentrated Dairy Production Facility in Southern Idaho Using Open-path FT-IR Spectrometry. Transactions of the ASABE. 52(5):1749-1756.

Case study: Seasonal and Spatial Distribution of Ambient Ammonia Concentrations Measured at a Large Open-Lot Dairy - (Peer Reviewed Journal)

Leytem, A.B., Dungan, R.S., Bjorneberg, D.L. 2009. Case study: Seasonal and Spatial Distribution of Ambient Ammonia Concentrations Measured at a Large Open-Lot Dairy. The Professional Animal Scientist. 25:786-793.

The effect of extraction, storage, and analysis techniques on the measurement of airborne endotoxin from a large dairy - (Peer Reviewed Journal)

Dungan, R.S., Leytem, A.B. 2009. The Effect of Extraction, Storage, and Analysis Techniques on the Measurement of Airborne Endotoxin From a Large Dairy. Aerobiologia. 25:265-273.

Phosphorus Adsorption and Desorption During and After Swine Manure Spill Simulations - (Abstract Only)

Armstrong, S.D., Smith, D.R., Joern, B.C., Owens, P.R., Leytem, A.B., Huang, C., Adeola, L. 2009. Phosphorus Adsorption and Desorption During and After Swine Manure Spill Simulations [abstract]. SERA-IEG 17 Bulletin. July 28-31, 2009, Windsor, Ontario, Canada. 2009 CDROM.

Changes in soil test phosphorus and phosphorus in runoff from calcareous soils receiving manure, compost, and fertilizer application with and without alum - (Peer Reviewed Journal)

Leytem, A.B., Bjorneberg, D.L. 2009. Changes in Soil Test Phosphorus and Phosphorus in Runoff From Calcareous Soils Receiving Manure, Compost, and Fertilizer Application With and Without Alum. Soil Science. 174(8):445-455.

The characterization and composition of bacterial communities in soils blended with spent foundry sand - (Peer Reviewed Journal)

Dungan, R.S., Kim, J., Weon, H., Leytem, A.B. 2009. The Characterization and Composition of Bacterial Communities in Soils Blended with Spent Foundry Sand. Annals of Microbiology. 59(2):239-246.

Qualitative and quantitative methodologies for determination of airborne microorganisms at concentrated animal-feeding operations - (Peer Reviewed Journal)

Dungan, R.S., Leytem, A.B. 2009. Qualitative and Quantitative Methodologies for Determination of Airborne Microorganisms at Concentrated Animal-feeding Operations. World Journal of Microbiology and Biotechnology. 25:1505-1518.

Crude protein, ash, phosphorus, neutral detergent fiber and starch concentrations in particle size distributions of corn steam flaked to varying bulk densities - (Abstract Only)

Hales, K.E., Cole, N.A., Leytem, A.B., Galyean, M.L. 2009. Crude protein, ash, phosphorus, neutral detergent fiber and starch concentrations in particle size distributions of corn steam flaked to varying bulk densities [abstract]. 2009 Plains Nutrition Council Spring Conference, April 9-10, 2009, San Antonio, Texas. Texas AgriLife Research & Extension Pub. No. AREC 09-18. p. 94.

Airborne endotoxin concentrations at a large open-lot dairy in southern Idaho - (Peer Reviewed Journal)

Dungan, R.S., Leytem, A.B. 2009. Airborne endotoxin concentrations at a large open-lot dairy in southern Idaho. Journal of Environmental Quality. 38:1919-1923.

Optimizing the extraction, storage, and analysis of airborne endotoxins - (Abstract Only) - (20-Feb-09)

The effects of phytase supplementation on performance and phosphorus excretion from broiler chickens fed low phosphorus-containing diets based on normal or low-phytic acid barley - (Peer Reviewed Journal)

Thacker, P.A., Haq, I., Willing, B.P., Leytem, A.B. 2009. The effects of phytase supplementation on performance and phosphorus excretion from broiler chickens fed low phosphorus-containing diets based on normal or low-phytic acid barley. Asian-Australasian Journal of Animal Sciences. 22(3):404-409.

Phosphorus mobility in soil columns treated with dairy manures and commercial fertilizer - (Peer Reviewed Journal)

Tarkalson, D.D., Leytem, A.B. 2009. Phosphorus mobility in soil columns treated with dairy manures and commercial fertilizer. Soil Science. 174(2):73-80.

Case Study: On-Farm Evaluation of Liquid Dairy Manure Application Methods to Reduce Ammonia Losses - (Peer Reviewed Journal)

Leytem, A.B., Bjorneberg, D.L., Sheffield, R.E., De Haro Marti, M.E. 2009. Case Study: On-Farm Evaluation of Liquid Dairy Manure Application Methods to Reduce Ammonia Losses. The Professional Animal Scientist. 25:93-98.

Completely automated open-path FT-IR spectrometry - (Peer Reviewed Journal)

Griffiths, P.R., Shao, L., Leytem, A.B. 2008. Completely automated open-path FT-IR spectrometry. Analytical and Bioanalytical Chemistry. 393(1):45-50.

Phosphorus utilization and characterization of ileal digesta and excreta from broiler chickens fed diets varying in cereal grain, phosphorus level, and phytase addition - (Peer Reviewed Journal)

Leytem, A.B., Widyaratne, G.P., Thacker, P.A. 2008. Phosphorus utilization and characterization of ileal digesta and excreta from broiler chickens fed diets varying in cereal grain, phosphorus level, and phytase addition. Poultry Science. 87(12):2466-2476.

Nutrient excretion, phosphorus characterization, and phosphorus solubility in excreta from broiler checks fed diets containing graded levels of wheat distillers grains with solubles - (Peer Reviewed Journal)

Leytem, A.B., Kwanyuen, P., Thacker, P. 2008. Nutrient excretion, phosphorus characterization, and phosphorus solubility in excreta from broiler checks fed diets containing graded levels of wheat distillers grains with solubles. Poultry Science. 87(12):2505-2511.

Impact of sheep bedding on soil nutrient dynamics in the Centennial Mountains of Montana and Idaho - (Peer Reviewed Journal)

Leytem, A.B., Seefeldt, S.S. 2008. Impact of sheep bedding on soil nutrient dynamics in the Centennial Mountains of Montana and Idaho. Soil Science. 173(8):503-510.

Fecal phosphorus excretion and characterization from swine fed diets containing a variety of cereal grains - (Peer Reviewed Journal)

Leytem, A.B., Thacker, P.A. 2008. Fecal phosphorus excretion and characterization from swine fed diets containing a variety of cereal grains. Animal Feed Science And Technology. 7(2):113-120.

Interaction of calcium and phytate in broiler diets: 1. Effects on apparent prececal digestibility and retention of phosphorus - (Peer Reviewed Journal)

Plumstead, P.W., Leytem, A.B., Spears, J.W., Maguire, R.O., Kwanyuen, P., Brake, J. 2008. Interaction of calcium and phytate in broiler diets: 1. Effects on apparent prececal digestibility and retention of phosphorus. Poultry Science. 87:449-458.

Phytate utilization and phosphorus excretion by broiler chickens fed diets containing cereal grains varying in phytate and phytase content - (Peer Reviewed Journal)

Leytem, A.B., Willing, B.P., Thacker, P.A. 2008. Phytate utilization and phosphorus excretion by broiler chickens fed diets containing cereal grains varying in phytate and phytase content. Animal Feed Science and Technology. 146:160-168.

Interaction of calcium and phytate in broiler diets: 2. Effects on total and soluble phosphorus excretion - (Peer Reviewed Journal)

Leytem, A.B., Plumstead, P.W., Maguire, R.O., Kwanyuen, P., Burton, J.W., Brake, J. 2008. Interaction of calcium and phytate in broiler diets: 2. Effects on total and soluble phosphorus excretion. Poultry Science. 87:459-467.

Evaluation of Phosphorus Characterization in Broiler Ileal Digesta, Manure, and Litter Samples: 31P-NMR vs. HPLC - (Peer Reviewed Journal)

Leytem, A.B., Kwanyuen, P., Plumstead, P.W., Maguire, R., Brake, J. 2008. Evaluation of Phosphorus Characterization in Broiler Ileal Digesta, Manure, and Litter Samples: 31P-NMR vs. HPLC. Journal of Environmental Quality 37:494-500.

Evaluation of Phosphorus Characterization in Ileal Digesta, Manure, and Litter Samples: 31P-NMR vs. HPLC - (Peer Reviewed Journal)

Leytem, A.B., Kwanyuen, P., Plumstead, P.W., Maguire, R.O., Brake, J. 2008. Evaluation of Phosphorus Characterization in Ileal Digesta, Manure, and Litter Samples: 31P-NMR vs. HPLC. Journal of Environmental Quality. 37:494-500.

SELECTION OF A WATER EXTRACTABLE PHOSPHORUS TEST FOR MANURES AND BIOSOLIDS AS AN INDICATOR OF RUNOFF LOSS POTENTIAL

- (Peer Reviewed Journal)

Kleinman, P.J., Sullivan, D., Wolf, A., Brandt, R., Dou, Z., Elliott, H., Kovar, J.L., Leytem, A.B., Maguire, R., Moore Jr, P.A., Sharpley, A.N., Shober, A., Sims, T., Toth, J., Toor, G., Zhang, H., Zhang, T., Saporito, L.S. 2007. Selection of a Water-Extractable Phosphorus Test for Manures and Biosolids as an Indicator of Runoff Loss Potential. Journal of Environmental Quality. 36(5):1357-1367.

ENVIRONMENTAL IMPLICATIONS OF INOSITOL PHOSPHATES IN ANIMAL MANURES - (Book / Chapter)

Leytem, A.B., Maguire, R.D. 2007. Environmental implications of inositol phosphates in animal manures. In: Turner, B.L., Richardson, A.E., Mullaney, E.J., editors. Inositol Phosphates: Linking Agriculture and the Environment. 1st edition. Cambridge, MA:CAB International. p. 150-168.

What aspect of dietary modification in broilers controls litter water soluble P: dietary phosphorus, phytase, or calcium? - (Peer Reviewed Journal)

Leytem, A.B., Plumstead, P.W., Maguire, R.O., Kwanyuen, P., Brake, J. 2007. What aspect of dietary modification in broilers controls litter water soluble P: Dietary phosphorus, phytase, or calcium? Journal of Environmental Quality. 36:453-463.

THE EFFECT OF LOW-PHYTATE MUTANT-M 995 BARLEY GRAIN ON PHYTATE DEGRADATION AND MINERAL DIGESTION IN SHEEP FED HIGH-GRAIN DIETS. - (Peer Reviewed Journal)

Leytem, A.B., Taylor, J.B., Raboy, V., Plumstead, P.W. 2007. Dietary low-phytate mutant-M 955 barley grain alters phytate degradation and mineral digestion in sheep fed high-grain diets. Animal Feed Science and Technology. 138:13-28.

FECAL PHOSPHORUS EXCRETION FROM BROILER CHICKS FED DIETS CONTAINING LOW-PHYTATE BARLEY - (Peer Reviewed Journal)

Leytem, A.B., Thacker, P.A., Turner, B.L. 2007. Fecal phosphorus excretion from broiler chicks fed diets containing low-phytate barley. Journal of the Science of Food and Agriculture. 87:1495-1501.

Nutrient Losses from Manure and Fertilizer Applications as Impacted by Time to First Runoff Event

- (Peer Reviewed Journal)

Smith, D.R., Owens, P.R., Leytem, A.B., Pappas, E.A. 2007. Nutrient Losses from Manure and Fertilizer Applications as Impacted by Time to First Runoff Event. Environmental Pollution. 14:131-137.

STANDARDIZING THE WATER-SOLUBLE PHOSPHORUS TEST FOR MANURES AND BIOSOLIDS - (Abstract Only)

Sullivan, D., Kleinman, P.J., Wolf, A., Brandt, R., Dou, Z., Elliott, H., Kovar, J.L., Leytem, A.B., Maguire, R., Moore Jr, P.A., Sharpley, A.N., Shober, A., Sims, J.T., Toor, G., Zhang, H., Zhang, T. 2006. Standardizing the water-soluble phosphorus test for manures and biosolids. ASA-CSSA-SSSA Annual Meeting Abstracts.

THE INFLUENCE OF MANURE PHYTIC ACID ON PHOSPHORUS SOLUBILITY IN CALCAREOUS SOILS - (Peer Reviewed Journal)

Leytem, A.B., Smith, D.R., Applegate, T.J., Thacker, P.A. 2006. The influence of manure phytic acid on phosphorus solubility in calcareous soils. Soil Science Society of America Journal. 70(5):1629-1638.

DAIRY MANURE/COMPOST N RELEASE FOR SUGARBEETS AND SUBSEQUENT WHEAT - (Abstract Only)

Brown, B., Johnson-Maynard, J., Leytem, A.B., Lentz, R.D., Lehrsch, G.A. 2006. Dairy manure/compost n release for sugarbeets and subsequent wheat. Proceedings of the Idaho Nutrient Management Conference. III:13-18.

INFLUENCE OF SOLID DAIRY MANURE AND COMPOST WITH AND WITHOUT ALUM ON SURVIVAL OF INDICATOR BACTERIA IN SOIL AND ON POTATO - (Peer Reviewed Journal)

Entry, J.A., Leytem, A.B., Verwey, S.A. 2005. Influence of solid dairy manure and compost with and without alum on survival of indicator bacteria in soil and on potato. Environmental Pollution. 138:212-218.

LINKING MANURE PROPERTIES TO SOIL PHOSPHORUS SOLUBILITY: IMPORTANCE OF THE CARBON TO PHOSPHORUS RATIO - (Peer Reviewed Journal)

Leytem, A.B., Turner, B.L., Raboy, V., Peterson, K.L. 2005. Linking manure properties to phosphorus solubility in calcareous soils: Importance of the manure carbon to phosphorus ratio. Soil Science Society of America Journal. 69:1516-1524.

LINKING MANURE PROPERTIES TO SOIL PHOSPHORUS SOLUBILITY: IMPORTANCE OF THE CARBON TO PHOSPHORUS RATIO - (Peer Reviewed Journal)

Leytem, A.B., Turner, B.L., Raboy, V. 2005. Linking manure properties to soil phosphorus solubility: importance of the carbon to phosphorus ratio. Soil Science Society of America Journal. 69:1516-1524.

PHOSPHORUS AVAILABILITY TO BARLEY FROM MANURES AND FERTILIZERS ON A CALCAREOUS SOIL - (Peer Reviewed Journal)

Leytem, A.B., Westermann, D.T. 2005. Phosphorus availability to barley from manures and fertilizers on a calcareous soil. Soil Science. 170(6):401-412.

PHOSPHORUS AVAILABILITY TO BARLEY FROM MANURES AND FERTILIZERS ON A CALCAREOUS SOIL - (Peer Reviewed Journal)

Leytem, A.B., Westermann, D.T. 2005. Phosphorus availability to barley from manures and fertilizers on a calcareous soil. Soil Science. 170(6):401-412.

TECHNOLOGIES TO MINIMIZE WATER QUALITY IMPACTS OF IRRIGATED AGRICULTURE - (Proceedings)

Bjorneberg, D.L., Sojka, R.E., Leytem, A.B. 2005. Technologies to minimize water quality impacts of irrigated agriculture. In: Proceedings of the World Water and Environmental Resources Congress, May 15-19, 2005, Anchorage, Alaska. 2005 CDROM.

CHANGES IN SOIL TEST PHOSPHORUS FROM BROILER LITTER ADDITIONS. - (Peer Reviewed Journal)

Leytem, A.B., Sims, J.T. 2006. Changes in soil test phosphorus from broiler litter additions. Communications in Soil Science and Plant Analysis. 36:2541:2559.

Changes in soil test phosphorus from broiler litter additions - (Peer Reviewed Journal)

Leytem, A.B., Sims, J.T. 2006. Changes in soil test phosphorus from broiler litter additions. Communications in Soil Science and Plant Analysis. 36:2541-2559.

THE NATURE OF PHOSPHORUS IN CALCAREOUS SOILS - (Trade Journal)

Leytem, A.B., Mikkelsen, R.L. 2005. The nature of phosphorus in calcareous soils. Better Crops. 89(2):11-13.

PHOSPHORUS LOSS WITH SURFACE IRRIGATION - (Government Publication)

Bjorneberg, D.L., Leytem, A.B. 2005. Phosphorus loss with surface irrigation. In: Walker, F., Russell, W., Dagnan, G., Dalton, A., editors. Phosphorus Best Management Practices: Protecting Water Quality. USDA-NRCS Fact Sheet. Available: http://www.sera17.ext.vt.edu/SERA_17_Publications.htm.

PHOSPHORUS COMPOUNDS IN SEQUENTIAL EXTRACTS OF ANIMAL MANURES: CHEMICAL SPECIATION AND A NOVEL FRACTIONATION PROCEDURE - (Peer Reviewed Journal)

Turner, B.L., Leytem, A.B. 2004. Phosphorus compounds in sequential extracts of animal manures: Chemical speciation and a novel fractionation procedure. Environmental Science and Technology. 38:6101-6108.

PHOSPHORUS COMPOSITION OF MANURE FROM SWINE FED LOW-PHYTATE GRAINS: EVIDENCE FOR HYDROLYSIS IN THE ANIMAL - (Peer Reviewed Journal)

Leytem, A.B., Turner, B.L. 2004. Effect of feeding low phytate barleys on manure phosphorus forms in swine. Journal of Environmental Quality. 33:380-2383.

VIRGINIA PHOSPHORUS INDEX EVALUATION - PANEL REPORT - (Other)

Sharpley, A.N., Beegle, D., Jokela, W., Kleinman, P.J., Leytem, A.B., Maguire, R., Myers, J., Weld, J.L. 2004. An evaluation of the Virginia Phosphorus Index. Final Report to USDA-NRCS, Virginia State Office, 1606 Santa Rosa Blvd., Suite 209, Richmond, VA. 30 p.

DETERMINATION OF PHOSPHORUS SOURCE COEFFICIENTS FOR ORGANIC PHOSPHORUS SOURCES: LABORATORY STUDIES - (Peer Reviewed Journal)

Leytem, A.B., Sims, J.T., Coale, F.J. 2004. Determination of phosphorus source coefficients for organic phosphorus sources: laboratory studies. Journal of Environmental Quality. 33:380-388.

SORPTION OF ORGANIC PHOSPHORUS COMPOUNDS IN ATLANTIC COASTAL PLAIN SOILS - (Peer Reviewed Journal) - (25-Jun-02)

Last Modified: 05/21/2013

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