Projects

ASSESSING NUTRIENT LOSSES, EMISSIONS, AND PATHOGEN TRANSPORT FROM MANURE APPLICATION AND ANIMAL PRODUCTION SITES IN THE WESTERN U.S. Appropriated (D)   Accession Number: 409664

IMPROVED WATER RESOURCES MANAGEMENT FOR IRRIGATED AGRICULTURE IN THE PACIFIC NORTHWEST Appropriated (D)   Accession Number: 411911

DEVELOP AND IMPROVE STRATEGIES FOR MANAGEMENT OF IRRIGATED AGRICULTURAL CROPS AND SOILS Appropriated (D)   Accession Number: 411445

GASEOUS EMISSIONS FROM ANIMAL FEEDING OPERATIONS Specific Cooperative Agreement (S)   Accession Number: 407542

A PRELIMINARY STUDY OF ATMOSPHERIC EMISSIONS FROM A LARGE SCALE DAIRY IN SOUTHERN IDAHO Trust (T)   Accession Number: 412348

Publications

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.

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., 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., Warnemuende, E.A. 2007. Nutrient losses from manure and fertilizer applications as impacted by time to first runoff event. Environmental Pollution. 147:131-137.

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

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)

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/Symposium)

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)