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Faculty & Staff Soil Scientists
Carrie A.M. Laboski
Associate Professor
BS Soil Science, 1993, The Pennsylvania State University
MS Soil Science, 1995, University of Minnesota
PhD Soil Science, 2001, University of Minnesota
1525 Observatory Drive
Madison, WI 53706
(office) 608.263.2795 - (fax) 608.265.2595
Website: NPKetc.info

Extension and research overview:
Research and extension mission statement: Nutrient management - Sustaining agricultural production and environmental quality. My specific research includes projects, which elucidate the biogeochemistry, transport, and subsequent best management practices for phosphorus, nitrogen, and potassium fertilizers and animal manures. Extension activities include the development and delivery of decision making tools to assist producers, ag professionals, and regulatory agencies in making decisions that help sustain economically and environmentally sound production of field and forage crops in Wisconsin and the Upper Midwest.

Current research includes:

  1. Effect of manure treatment on nitrogen and phosphorus availability
  2. Phosphorus availability as affected by manure and soil interactions.
  3. Manure application timing effects on nitrogen availability to corn
  4. Soil K dynamics and fertilizer requirement for corn and soybean.
  5. N response in corn as related to application timing and hybrid.
  6. Evaluation of N source and timing for grass pastures.
  7. Survey of subsoil fertility in Wisconsin
  8. Understanding plant availability of Mn in glyphosate resistant soybean systems.
Selected Extension Publications:
Boerboom, C.M., L.G. Bundy, A.J. Bussan, J.B. Colquhoun, E.M. Cullen, K.A. Delahaut, R.L. Groves, C.A.M. Laboski, D.L. Mahr, and W.R. Stevenson. 2008. Commercial vegetable production in Wisconsin. UWEX Publ. A3422. 190 p.

Peters, J.B. and C.A.M. Laboski. 2007. Garden Fertilization. UWEX Publ. A2304. pp. 4.

Thelen, K., C. Laboski, J. Smeenk, A.M. Fortuna, J. Sanchez, K. Renner, P. Hart, C. Lee, M. Score, and L. Dyer. 2007. Field crop production systems. pp. 40-59. In Deming et al. Building a sustainable future: Ecologically based farming systems. Michigan State Univ. Ext. Bull. E2983.

Peters, J.B., C.A.M. Laboski, and L.G. Bundy. 2007. Sampling soils for testing. UWEX Publ. A2100. 4 p.

Laboski, C.A.M., J.B. Peters, and L.G. Bundy. 2006. Nutrient application guidelines for field, vegetable, and fruit crops in Wisconsin. UWEX Publ. A2809. pp 68.

Sawyer, J., E. Nafziger, G. Randall, L. Bundy, G. Rehm, B. Joern, C. Laboski, R. Hoeft, R. Mullen, R. Killorn, and S. Brouder. 2006. Concepts and rationale for regional nitrogen rate guidelines for corn. Iowa State University, University Extension Publ. PM 2015. pp 27.

Selected Research Publications:

Sneller, E.G. and C.A.M. Laboski. 2009. Phosphorus source effects on corn utilization and changes in soil test. Agron. J. 101:663-670

Sweeney, A.E., K.A. Renner, C. Laboski, and A. Davis. 2008. Effect of fertilizer nitrogen on weed emergence and growth. Weed Sci. 56:714-721

Laboski, C.A.M., J.E. Sawyer, D.T. Walters, L.G. Bundy, R.G. Hoeft, G.W. Randall, and T.W. Andraski. 2008. Evaluation of the Illinois soil nitrogen test in the North Central Region of the USA. Agron. J. 100:1070-1076.

Laboski, C.A.M., and K.A. Kelling. 2007. Influence of fertilizer management and soil fertility on tuber specific gravity: A review. Am. J. Potato Res. 84:286-290.

Harrigan, T.M., B.B. Bailey, W.J. Northcott, A.N. Kravchenko, C.A.M. Laboski. 2006. Field performance of a low-disturbance, rolling tine, dribble-bar manure applicator. Appl. Engr. Agric. 22(1):33-38.

Marshall, S.K., and C.A.M. Laboski. 2006. Sorption of inorganic and total phosphorus from dairy and swine slurry. J. Environ. Qual. 35:1836-1843.

Withers, P.J.A., D.M. Nash, and C.A.M. Laboski. 2005. Environmental management of phosphorus fertilizers. p. 781-828 (Chapter 25). In Sims, J.T. and A.N. Sharpley (ed.) Phosphorus: Agriculture and the environment. Agron. Monogr.

Laboski, C.A.M., and J.A. Lamb. 2004. Impact of manure application on soil phosphorus sorption characteristics and subsequent water quality implications. Soil Sci. 169:440-448.

Laboski, C.A.M., and J.A. Lamb. 2003. Changes in soil test phosphorus concentration after application of manure or fertilizer. Soil Sci. Soc. Am. J. 67:544-554.

Laboski, C.A.M., J.A. Lamb, R.H. Dowdy, J.M. Baker, and J. Wright. 2001. Irrigation scheduling on a sandy soil using mobile frequency domain reflectometry with a checkbook method. J. Soil Water Conserv. 56:97-100.

Laboski, C.A.M., R.H. Dowdy, R.R. Allmaras, and J.A. Lamb. 1998. Soil strength and water content influences on corn root distribution in a sandy soil. Plant Soil 203:239-247.

Honors and Awards:

2000 J. Fielding Reed Potash and Phosphate Institute Fellowship

1999 Harry J. Larsen/Hydro Memorial Scholarship American Society of Agronomy

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