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United States Department of Agriculture

Agricultural Research Service

Larry Wagner
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1 - Publications
2 - Education
Publications
 Larry Wagner

 Contact Information

Mail:   USDA, ARS, CGAHR, EWERU
Attn:   Larry Wagner
1515 College Avenue
Manhattan, KS   66502

 
Email:  larry.wagner@ars.usda.gov

Phone:   785.537-5544
Fax:   785.537.5507


 Larry Wagner - Agriculture Engineer

 

Publications:

Mamedov, A.I., Wagner, L.E., Huang, C., Norton, L.D., and Levy, G.J.  2010. Polyacrylamide effects on aggregate and structure stability of soils with differrent clay mineralogy. Soil Science Society of American Journal. 74(5).

Tatarko, J., Wagner, L.E.  2007.  An Introduction to the Wind Erosion Prediction System (WEPS). Proceedings of the American Society of Agricultural and Biological Engineers 2007 Annual International Meeting; 17-20 June 2007; Minneapolis, MN. 2007 CD Rom. (Astract)

Lui, L.Y., E.L. Skidmore, E. Hasi, L. Wagner, and J. Tatarko.  2005.  Dune sand transport as influenced by wind directions, speed and frequencies in the Ordos Plateau, China. Geomorphology.67:283-297 409

van Donk, S.J., Wagner, L.E., Skidmore, E.L., Tatarko, J.  2005.  Comparison of the Weibull Model with measured wind speed distributions for stochastic wind generation. Transactions of ASABE. 48 (2):503-510.

Retta, A., Hagen, L.J., Wagner, L.E., Armbrust, D.V., and Skidmore, E.L.  Yield adjustment factor for WEPS (Wind Erosion Prediction System). Proc. of Modeling for the 21st Century: thirty years of crop modeling. Temple, TX, March 6-8, 2000.

 

Retta, A., Armbrust, D.V., Wagner, L.E., Skidmore, E.L. and Hagen, L.J. Simulation of biomass components of brassica juncea in WEPS (Wind Erosion Prediction System). Agron. Abst., Madison, WI, pp.327, 2000.

 

Wagner, L.E. and F.A. Fox.  Simulation of tillage and other management operations in WEPS. In J.C. Ascough and D.C. Flanagan (eds.) Soil Erosion Research for the 21st Century - An International Symposium, ASAE, St. Joseph, MI, pp.625-628, 2001.

 

Wagner, L.E. and J. Tatarko. Demonstration of the WEP 1.0 wind erosion model.  In J.C. Ascough and D.C. (eds.) Soil Erosion Research For the 21st Century - An International Symposium, ASAE, St. Joseph, MI, pp.371, 2001.

 

Wagner, L.E. and J. Tatarko.WEPS 1.0: What it is and what it isn't.  In J.C. Ascough and D.C. (eds.) Soil Erosion Research For the 21st Century - An International Symposium, ASAE, St. Joseph, MI, pp.372-375, 2001.
 

Fox. F.A. and L.E. Wagner.  A laser distance-based method for measuring standing residueIn J.E. Morrison, Jr. (ed.) Proc. of the 15th International Conference of the International Soil Tillage Research Organization, ISTRO-2000, July 2-7, 2000, Fort Worth, Tx.

  

Wagner, L.E. and L.J. Hagen.   Application of WEPS generated soil loss components to assess off-site impacts.  In D.E. Stott, R.H. Mohtar and G.C. Steinhardt (eds.) Sustaining the global farm. Proc. of 10th International Soil Conservation Organization Conference, May 24-29, 1999, Purdue Univ., West Lafayette, IN, pp. 935-939.

 

Lui, L.Y., E.L. Skidmore, L.E. Wagner, J. Tatarko and L.J. Hagen.  2005.  Dune sand transport as influenced by direction, magnitude, and frequency of the erosive winds, Ordos Plateau, China. Geomorphology. 67(3-4):283-297.
 

van Donk, S.J., L.E. Wagner, E.L. Skidmore, J. Tatarko.  2005.  Comparison of the Weibull Model with measured wind speed distributions for stochastic wind generation. Trans. ASAE. 48 (2):503-510. 


Hagen, L.J., Wagner, L.E. and E.L. Skidmore.  1999.  Analytical solutions and sensitivity analyses for sediment transport in WEPS.  Trans. of the ASAE.  42(6):1715-1721

 

Wagner, L.E. An overview of the wind erosion prediction system. Proceedings of International Conference on Air Pollution from Agricultural Operations, February 7-9, 1996, Kansas City, MO, pp.73-75

 

Hagen, L.J., Wagner, L.E. and Tatarko, J. Wind Erosion Prediction System (WEPS): Introduction. In: Wind Erosion Prediction System Technical Description. Proceedings of WEPP/WEPS Symposium, August 9-11, 1995, Des Moines, IA. Soil and Water Conservation Society, Ankeny, IA.

 

Skidmore, E.L., Hagen, L.J., Armburst, D.V., Durar, A.A., Fryrear, D.W., Potter, K.N., Wagner, L.E. and Zobeck, T.M. Methods for investigating basic processes and conditions affecting wind erosion. In: R. Lal (ed.) Soil Erosion Research Methods. Soil and Water Conservation Soc. Ankeny, IA, 1994 (book chapter).

 

Wagner, L.E., Ambe, N.M., Ding, D.  1994.  Estimating a Proctor Density Curve from Intrinsic Soil Properties.  Trans. of the ASAE. 37(4):1121-1125.            

 

Wagner, L.E. and R.G. Nelson.  1994.  Mass Reduction of Standing and Flat Crop Residues by Selected Tillage Implements.  Trans. of the ASAE. 38(2):419-427.

 

Wagner, L.E. and Ding, D.  1994.  Representing Aggregate Size Distributions as Modified Lognormal Distributions.  Trans. ASAE. 37(3):815-821.

 

Wagner, L.E., D. Ding.  1993.  Stochastic Modeling of Tillage-induced Aggregate Breakage. Trans. ASAE. 36(4): 1087-1092.

Armbrust, D.V. and J.D. Bilbro.  1993.  Predicting Grain Sorghum Canopy Structure for Soil Erosion Modeling.  Agronomy Journal.  85:664-668.

 

Wagner, L.E.; Ding, D.  1991.  Modeling Tillage Actions on Soil Aggregates. Paper No 922133 1992 Int'l Summer Meeting American Society of Agricultural Engineers; June 21-24, 1992; Charlotte, NC. St. Joseph, MI; 1991.

 

Wagner, L.E. and Hagen, L.J.  1992.  Relationship Between Shelter Angle Surface Roughness and cumulative Sheltered storage depth. International Wind Erosion Workshop; 10-12 September 1991; Budapest, Hungary; 1992. (Editors: Karacsony, J. and Szalai, Gy, University of Ag. Sciences, Godollo, Hungary. Proceedings of the International Wind Erosion Workshop of Cigr; v. Section I).

 

Wagner, L.E., Ambe, N.M., Barnes, P.  1992.  Tillage-Induced Soil Aggregate Status as Influenced by Water Content.  Trans. ASAE.  35(2): 499-504.

 

Wagner, L.E.; Ambe, N.M.; Ding, D.J.  1991.  Estimating a Proctor Density Curve from Intrinsic Soil Properties.  Trans. ASAE.  37(4):1121-1125.

 

Wagner, L.W. and Y. Yu.  1991.  Digitization of profile meter photographs.  Trans. ASAE. 34(2):412-416.

 

Slocombe, J.W., L.E. Wagner, A.J. Heber, and J.P. Harner.  1990.  Test equipment for determining performance of electric motors. Journal of Applied Engineering in Agriculture.  6(1):97-100.

 

Wagner, L.E., A.J. Heber, and J.P. Harner.  1990.  PC-based data acquisition program for an electric motor dynamometer.  Applied Engineering in Agriculture.   6(5):643-646.

 

Wagner, L.E., K.D. Funk, and M.D. Schwarz.  1990.  PC-based data acquisition interface and expansion system.  Applied Engineering in Agriculture.  6(4):499-506; 1990.

 

Skidmore, E.L., Hagen, L.J., Armbrust, D.V., Durar, A.A., Fryrear, D.W., Potter, K.N., Wagner, L.E., Zobeck, T.M.  1990.  Methods for Investigating Basic Processes and Conditions Effecting Wind Erosion.  Soil and Water Conservation Society Journal; 1990.

 
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