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United States Department of Agriculture

Agricultural Research Service

April B Leytem
Research Soil Scientist


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Nutritional and environmental effects on ammonia emissions from dairy cattle housing: A meta-analysis Reprint Icon -
Bougouin, A., Leytem, A.B., Dijkstra, J., Dungan, R.S., Kebreab, E. 2016. Nutritional and environmental effects on ammonia emissions from dairy cattle housing: A meta-analysis. Journal of Environmental Quality. 45:1123-1132.
Winter and growing season nitrogen mineralization from fall-applied composted or stockpiled solid dairy manure Reprint Icon -
Lehrsch, G.A., Brown, B., Lentz, R.D., Johnson-Maynard, J.L., Leytem, A.B. 2016. Winter and growing season nitrogen mineralization from fall-applied composted or stockpiled solid dairy manure. Nutrient Cycling in Agroecosystems. 104:125-142.
Recovery of culturable of Escherichia coli O157:H7 during operation of a liquid-based bioaerosol sampler Reprint Icon -
Dungan, R.S., Leytem, A.B. 2016. Recovery of culturable of Escherichia coli O157:H7 during operation of a liquid-based bioaerosol sampler. Aerosol Science and Technology. 50(1):71-75.
Effect of dietary crude protein and forage contents on enteric methane emissions and nitrogen excretion from dairy cows simultaneously Reprint Icon -
Niu, M., Appuhamy, J., Leytem, A.B., Dungan, R.S., Kebreab, E. 2016. Effect of dietary crude protein and forage contents on enteric methane emissions and nitrogen excretion from dairy cows simultaneously. Animal Production Science. 56:312-321.
Reactive nitrogen emissions from agricultural operations -
Rotz, C.A., Leytem, A.B. 2015. Reactive nitrogen emissions from agricultural operations. EM Magazine (September):12-16.
Detection of purple sulfur bacteria in purple and non-purple dairy wastewaters Reprint Icon -
Dungan, R.S., Leytem, A.B. 2015. Detection of purple sulfur bacteria in purple and non-purple dairy wastewaters. Journal of Environmental Quality. 44:1550-1555.
Process-based modeling of ammonia and nitrous oxide emissions from open lot beef and dairy facilities -
Bonifacio, H.F., Rotz, C.A., Leytem, A.B., Waldrip, H., Todd, R.W. 2015. Process-based modeling of ammonia and nitrous oxide emissions from open lot beef and dairy facilities. Transactions of the ASABE. 58:827-846.
Ammonia and nitrous oxide model for open lot cattle production systems -
Bonifacio, H.F., Rotz, C.A., Leytem, A.B., Waldrip, H., Todd, R.W. 2015. Ammonia and nitrous oxide model for open lot cattle production systems{Abstract}. Waste to Worth. p 72819.
Compost and manure effects on sugarbeet nitrogen uptake, nitrogen recovery, and nitrogen use efficiency Reprint Icon -
Lehrsch, G.A., Brown, B., Lentz, R.D., Johnson-Maynard, J.L., Leytem, A.B. 2015. Compost and manure effects on sugarbeet nitrogen uptake, nitrogen recovery, and nitrogen use efficiency. Agronomy Journal. 107(3):1155-1166.
Sugarbeet yield and quality when substituting compost or manure for conventional nitrogen fertilizer Reprint Icon -
Lehrsch, G.A., Brown, B., Lentz, R.D., Johnson-Maynard, J.L., Leytem, A.B. 2014. Sugarbeet yield and quality when substituting compost or manure for conventional nitrogen fertilizer. Agronomy Journal. 107(1):221-231.
Phosphorus losses from an irrigated watershed in the Northwestern U.S.: Case study of the Upper Snake Rock Watershed Reprint Icon -
Bjorneberg, D.L., Leytem, A.B., Ippolito, J.A., Koehn, A.C. 2015. Phosphorus losses from an irrigated watershed in the Northwestern U.S.: Case study of the Upper Snake Rock Watershed. Journal of Environmental Quality. 44:552-559.
Livestock GRACEnet: A workgroup dedicated to evaluating and mitigating emissions from livestock production -
Leytem, A.B., Dungan, R.S. 2014. Livestock GRACEnet: A workgroup dedicated to evaluating and mitigating emissions from livestock production. Journal of Environmental Quality. 43(4):1101-1110.
Chapter 5: Quantifying greenhouse gas sources and sinks in animal production systems -
Powers, W., Auvermann, B., Cole, N.A., Gooch, C., Grant, R., Hatfield, J.L., Hunt, P.G., Johnson, K., Leytem, A.B., Liao, W., Powell, J.M. 2014. Chapter 5: Quantifying greenhouse gas sources and sinks in animal production systems. Government Publication/Report. Chapter 5: 31-160.
Feed management practices to reduce manure phosphorus excretion in dairy cattle Reprint Icon -
Kebreab, E., Hansen, A.V., Leytem, A.B. 2013. Feed management practices to reduce manure phosphorus excretion in dairy cattle. Advances in Animal Biosciences. 4(s1):37-41.
The characterization of microorganisms in dairy wastewater storage ponds Reprint Icon -
Dungan, R.S., Leytem, A.B. 2013. The characterization of microorganisms in dairy wastewater storage ponds. Journal of Environmental Quality. 42:1583-1588.
Feeding low-phytic acid corn grain to finishing wethers does not alter phosphorus digestion -
Taylor, J.B., Leytem, A.B., Raboy, V. 2013. Feeding low-phytic acid corn grain to finishing wethers does not alter phosphorus digestion. Journal of Animal Science Supplement. 64:392-395.
Comparison of atmospheric stability methods for calculating ammonia and methane emission rates with WindTrax Reprint Icon -
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.
Increasing the quantitative credibility of open-path FT-IR spectroscopic data with focus on several properties of the background spectrum Reprint Icon -
Shao, L., Wang, W., Griffiths, P.R., Leytem, A.B. 2013. Increasing the quantitative credibility of open-path FT-IR spectroscopic data with focus on several properties of the background spectrum. Journal of Applied Spectroscopy. 67(3):335-341.
US agricultural nitrous oxide emissions: context, status, and trends -
Cavigelli, M.A., Del Grosso, S.J., Liebig, M.A., Snyder, C.S., Fixen, P.E., Venterea, R.T., Leytem, A.B., McLain, J.E., Watts, D.B. 2013. US agricultural nitrous oxide emissions: context, status, and trends. Frontiers in Ecology and the Environment. 10:537-546.
Quantification of bacterial indicators and zoonotic pathogens in dairy wastewater ponds -
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 Reprint Icon -
Leytem, A.B., Dungan, R.S., Bjorneberg, D.L., Koehn, A.C. 2013. Greenhouse gas and ammonia emissions from an open-freestall dairy in Southern Idaho. Journal of Environmental Quality. 42:10-20.
Analysis of total metals in waste molding and core sands from ferrous and non-ferrous foundries -
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.
Sustainable Manure Management -
Leytem, A.B., Dungan, R.S., Kleinman, P.J. 2014. Sustainable Manure Management. In: Kebreab, E., editor. Sustainable Animal Agriculture. Oxfordshire, United Kingdom: CAB International. p. 83-112.
Effect of sprinkler pressure and spray plate on culturable microorganism concentrations during simulated irrigation of dairy wastewater -
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 -
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 -
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 -
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 -
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 -
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.
Phosphorus and nitrogen loading depths in fluvial sediments following manure spill simulations Reprint Icon -
Armstrong, S.D., Smith, D.R., Owens, P.R., Joern, B.C., Leytem, A.B., Huang, C., Adeola, L. 2011. Phosphorus and nitrogen loading depths in fluvial sediments following manure spill simulations. Canadian Journal of Soil Science. 91:427-436.
Dairy manure nitrogen availability in eroded and noneroded soil for sugarbeet followed by small grains -
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. Reprint Icon -
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 -
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. -
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 -
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 Reprint Icon -
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 Reprint Icon -
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 -
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 assessment of airborne endotoxin at a concentrated dairy operation -
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 Reprint Icon -
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 Reprint Icon -
Leytem, A.B., Bjorneberg, D.L., 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.
Measurement of atmospheric ammonia, methane, and nitrous oxide at a concentrated dairy production facility in southern Idaho using open-path FT-IR spectrometry -
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 Reprint Icon -
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 -
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 -
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 Reprint Icon -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 Reprint Icon -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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? -
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. -
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.
Phosphorus characterization in feces from broiler chicks fed low-phytate barley diets -
Leytem, A.B., Thacker, P.A., Turner, B.L. 2007. Phosphorus characterization in feces from broiler chicks fed low-phytate barley diets. 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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
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. -
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 -
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 -
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 -
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 -
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 -
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 -
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 -
Last Modified: 8/26/2016
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