Research Publications

For extension publications see our outreach page


Rui Y,, Jackson R.D., Cotrufo M.F., Sanford G.S., Spiesman B.J., Deiss L., Culman S.W., Liang C., Ruark M.D. (2022). Persistent soil carbon enhanced in Mollisols by well-managed grasslands but not annual grain or dairy forage cropping systems. PNAS 119, e2118931119.

Rath D., Bogie N., Deiss L., Parikh S., Wang D., Ying S., Tautges N., Berhe A.A., Scow K. (2022). Synergy between compost and cover crops leads to increased subsurface soil carbon storage. SOIL 8, 59–83.


Brock, C., Jackson-Smith, D., Culman, S., Doohan, D., & Herms, C. (2021). Soil balancing within organic farming: Negotiating meanings and boundaries in an alternative agricultural community of practice. Agriculture and Human Values, 38(2), 449–465.

Brock, C., Jackson-Smith, D., Kumarappan, S., Culman, S., Herms, C., & Doohan, D. (2021). Organic Corn Production Practices and Profitability in the Eastern U.S. Corn Belt. Sustainability, 13(16), 8682.

Brock, C., Jackson-Smith, D., Kumarappan, S., Culman, S., Doohan, D., & Herms, C. (2021). The prevalence and practice of soil balancing among organic corn farmers. Renewable Agriculture and Food Systems, 36(4), 365–374.

Chaganti, V. N., Culman, S. W., Herms, C., Sprunger, C. D., Brock, C., Leiva Soto, A., & Doohan, D. (2021). Base cation saturation ratios, soil health, and yield in organic field crops. Agronomy Journal, 113(5), 4190–4200.

Culman, S. W., Brock, C., Doohan, D., Jackson-Smith, D., Herms, C., Chaganti, V. N., Kleinhenz, M., Sprunger, C. D., & Spargo, J. (2021). Base cation saturation ratios vs. sufficiency level of nutrients: A false dichotomy in practice. Agronomy Journal, 113(6), 5623–5634.

Deiss, L., Sall, A., Demyan, M. S., & Culman, S. W. (2021). Does crop rotation affect soil organic matter stratification in tillage systems? Soil and Tillage Research, 209, 104932.

Fleuridor, L., Herms, C., Culman, S., Dick, W. A., Paul, P. A., & Doohan, D. (2021). Short-term responses of soils and crops to gypsum application on organic farms. Agronomy Journal, 113(5), 4220–4230.

Matcham, E. G., Subburayalu, S. K., Culman, S. W., & Lindsey, L. E. 2001. Implications of choosing different interpolation methods: A case study for soil test phosphorus. Crop, Forage & Turfgrass Management, 7:e20126.

Navarro, K. A., Wijeratne, S., Culman, S., Benitez, M.-S., & Dorrance, A. E. (2021). Comparison of the Species Communities of Phytophthora, Pythium and Phytopythium Associated with Soybean Genotypes in High Disease Environments in Ohio. Phytobiomes Journal, 12-2089.

Navarro-Acevedo, K. A., Wijeratne, S., Culman, S. W., Benitez, M.-S., & Dorrance, A. E. (2021). The Effect of Incubation Temperature on the Species Composition of Phytophthora, Phytopythium, and Pythium Communities Associated with Soybean. Phytobiomes Journal, 5(2), 133–144.

Osterholz, W. R., Culman, S. W., Herms, C., Joaquim de Oliveira, F., Robinson, A., & Doohan, D. (2021). Knowledge gaps in organic research: Understanding interactions of cover crops and tillage for weed control and soil health. Organic Agriculture, 11(1), 13–25.

Perry, K. I., Hoekstra, N. C., Culman, S. W., & Gardiner, M. M. (2021). Vacant lot soil degradation and mowing frequency shape communities of belowground invertebrates and urban spontaneous vegetation. Urban Ecosystems, 24(4), 737–752.

Sprunger, C. D., Culman, S. W., Deiss, L., Brock, C., & Jackson-Smith, D. (2021). Which management practices influence soil health in Midwest organic corn systems? Agronomy Journal, 113(5), 4201–4219.

Wade, J., Beetstra, M. A., Hamilton, M. L., Culman, S. W., & Margenot, A. J. (2021). Soil health conceptualization differs across key stakeholder groups in the Midwest. Journal of Soil and Water Conservation.


Culman, S.W., Mann, M., Sharma, S., Saeed, M.T., Fulford, A.M., Lindsey, L.E., Brooker, A., Dayton, E., Warden, R., Joern, B. 2020. Calibration of Mehlich-3 with Bray P1 and ammonium acetate in the Tri-State region of Ohio, Indiana and Michigan. Communications in Soil Science and Plant Analysis. 51: 86-97. doi: 10.1080/00103624.2019.1695825.

Bowles, T.M., M. Mooshammer, Y. Socolar, F. Calderón, M.A. Cavigelli, et al. 2020. Long-Term Evidence Shows that Crop-Rotation Diversification Increases Agricultural Resilience to Adverse Growing Conditions in North America. One Earth 2(3): 284–293. doi: 10.1016/j.oneear.2020.02.007.

Deiss, L., S.W. Culman, and M.S. Demyan. 2020a. Grinding and spectra replication often improves mid‐ DRIFTS predictions of soil properties. Soil Sci. Soc. Am. j.: saj2.20021. doi: 10.1002/saj2.20021.

Deiss, L., A.J. Margenot, S.W. Culman, and M.S. Demyan. 2020b. Tuning support vector machines regression models improves prediction accuracy of soil properties in MIR spectroscopy. Geoderma 365: 114227. doi: 10.1016/j.geoderma.2020.114227.

Deiss, L., A.J. Margenot, S.W. Culman, and M.S. Demyan. 2020c. Optimizing acquisition parameters in diffuse reflectance infrared Fourier transform spectroscopy of soils. Soil Sci. Soc. Am. j.: saj2.20028. doi: 10.1002/saj2.20028.

Dill, T.E., S.K. Harrison, S.W. Culman, and A.J. Lindsey. 2020. Grain Yield Response of Corn (Zea mays L.) to Nitrogen Management Practices and Flooding. Plants 9(3): 348. doi: 10.3390/plants9030348.

Hunter, M.C., C.C. Sheaffer, S.W. Culman, and J.M. Jungers. 2020. Effects of defoliation and row spacing on intermediate wheatgrass I: Grain production. Agronomy Journal 112(3): 1748–1763. doi: 10.1002/agj2.20128.

Hunter, M.C., C.C. Sheaffer, S.W. Culman, W.F. Lazarus, and J.M. Jungers. 2020. Effects of defoliation and row spacing on intermediate wheatgrass II: Forage yield and economics. Agronomy Journal 112(3): 1862– 1880. doi: 10.1002/agj2.20124.

Wade, J., S.W. Culman, J.A.R. Logan, H. Poffenbarger, M.S. Demyan, et al. 2020. Improved soil biological health increases corn grain yield in N fertilized systems across the Corn Belt. Scientific Reports 10(1). doi: 10.1038/s41598-020-60987-3.

Wade, J., G. Maltais-Landry, D.E. Lucas, G. Bongiorno, T.M. Bowles, et al. 2020. Assessing the sensitivity and repeatability of permanganate oxidizable carbon as a soil health metric: An interlab comparison across soils. Geoderma 366: 114235. doi: 10.1016/j.geoderma.2020.114235.


Sprunger, C.D., Culman, S.W., Palm, C.A., Moses, T., and B. Vanlauwe. 2019. Long-term application of low C:N residues enhances maize yield and soil nutrient pools across Kenya. Nutr Cycl Agroecosyst 114: 261. 

Wade, J., Culman, S.W., Sharma, S., Mann, M. Demyan, S., Mercer, K., Basta, N. 2019. How does phosphorus restriction impact soil health parameters in Midwestern corn-soybean systems? Agronomy Journal 111:1682-1692.

Pugliese, J., Culman, S.W., Sprunger, C.D. Harvesting forage of the perennial grain crop kernza (Thinopyrum intermedium) increases root biomass and soil nitrogen cycling. 2019. Plant and Soil 437 (1-2): 241–254.

Chaganti, V., Culman, S.W., Dick, W.A., Kost, D. Evaluating the Effects of Gypsum Application Rate and Frequency on Corn Response to Nitrogen. 2019. Agron. J. 111:1109-1117.


Sprunger, C.D., S.W. Culman, G.P. Robertson, and S.S. Snapp. 2018.  How does nitrogen and perenniality influence belowground biomass and nitrogen use efficiency in small grain cereals? Crop Science 58: 2110-2120.

Sprunger, C., Culman, S.W., Robertson, G., & Snapp, S. 2018. Perennial grain on a Midwest Alfisol shows no sign of early soil carbon gain. Renewable Agriculture and Food Systems 33(4): 360–372.

Hurisso, T.T., Culman, S.W., Zhao., K. 2018. Repeatability and Spatiotemporal Variability of Emerging Soil Health Indicators Relative to Routine Soil Nutrient Tests. SSAJ 82(4): 939-948.

Ryan, M.R., Crews, T.E., Culman, S.W., DeHaan, L.R., Hayes, R.C., Jungers, J.M., & Bakker, M.G. 2018. Managing for Multifunctionality in Perennial Grain Crops. BioScience 68(4):294–304.

Hurisso, T.T., Culman, S.W., Zone, P., and Sharma, S. 2018. Absolute Values and Precision of Emerging Soil Health Indicators as Affected by Soil Sieve Size. Communications in Soil Science and Plant Analysis 49(15): 1934-1942. 

Testen, A.L., Mamiro, D., Nahson, J., Amuri, N., Culman, S.W., and Miller, S.A. 2018. Farmer-Focused Tools to Improve Soil Health Monitoring on Smallholder Farms in the Morogoro Region of Tanzania. Plant Health Progress 19: 56-63.

Hurisso, T.T., Moebius-Clune, D.J., Culman, S.W., Moebius-Clune, B.N., Thies, J.E., and Van Es, H.M. 2018. Soil Protein as a Rapid Soil Health Indicator of Potentially Available Organic Nitrogen. Agricultural and Environmental Letters 3: 1-5.

Wade, J., Culman, S.W., Hurisso, T.T., Miller, R.O., Baker, L., Horwath, W.R. 2018. Sources of Variability that Compromise Mineralizable Carbon as a Soil Health Indicator. Soil Science Society of America Journal 82: 243 - 252.

Fulford, A.M., and Culman, S.W. 2018. Over-Fertilization Does Not Build Soil Test Phosphorus and Potassium in Ohio. Agronomy Journal 111: 56 - 65. 


Chaganti, V. N. and Culman, S.W. 2017. Historical perspective of soil balancing theory and identifying knowledge gaps: A review. Crop, Forage & Turfgrass Management 3: 1-7.

Sprunger, C.D., Culman, S.W., Robertson, G.P., and Snapp, S.S. 2017. Perennial grain on a Midwest Alfisol shows no sign of early soil carbon gain. Renewable Agriculture and Food Systems 23: 1-13.

Obrycki, J.F., Basta, N.T., and Culman, S.W. 2017. Managment Options for Contaminated Urban Soils to Reduce Public Exposure and Maintain Soil Health. Journal of Environmental Quality 46: 420-430.

Brooker, A.P., Lindsey, L.E., Culman, S.W. , Subburayalu, S.K., and Thomison, P.R. 2017. Low Soil Phosphorus and Potassium Limit Soybean Grain Yield in Ohio. Crop, Forage & Turfgrass Management 3: 1-5.

Calderón, F.J., Culman, S.W., Six, J., Franzluebbers, A.J., Schipanski, M.E., Beniston, J. Grandy, A.S., and Kong, A.Y.Y. 2017. Quantification of Permanganate Oxidizable C Using Infrared Spectroscopy. Soil Science Society of America Journal 81(2): 277-288. 


Crews, T.E., Blesh, J., Culman, S.W., Hayes, R.C., Jensen, E.S., Mack, M.C., Peoples, M.B., and Schipanski, M.E. 2016. Going where no grains have gone before: From early to mid-succession. Agriculture, Ecosystems & Environment 223: 223–238.

DeHaan, L.R., Van Tassel, D.L., Anderson, J.A., Asselin, S.R., Barnes, R., Baute, G.J., Cattani, D.J., Culman, S.W., Dorn, K.M., Hulke, B.S., Kantar, M., Larson, S., Marks, M.D., Miller, A.J., Poland, J., Ravetta, D.A., Rude, E., Ryan, M.R., Wyse, D., and Zhang, X. 2016. A Pipeline Strategy for Grain Crop Domestication. Crop Science 56: 1 – 14.

Fulford, A.M., Culman, S.W., Mullen R.W., Dygert, C.E., LaBarge, G.A., Lentz, E.M., and Watters, H.D. 2016. Corn and Soybean Response to Phosphorus and Potassium Fertilization in Ohio. Better Crops with Plant Food 100(2): 7 - 9.

Hurisso, T.T., Culman, S.W., Horwath, W.R., Wade, J., Cass, D., Beniston, J.W., Bowles, T.M., Grandy, A.S., Franzluebbers, A.J., Schipanski, M.E., Lucas, S.T., and Ugarte, C.M. 2016. Comparison of Permanganate-Oxidizable Carbon and Mineralizable Carbon for Assessment of Organic Matter Stabilization and Mineralization. Soil Science Society of America Journal 80: 1352 - 1364. 


Londo, A.J., LaBarge, G., Watters, H., Culman, S.W., Rose, M.A., Hall, P. Arnold, G., Custer, S., Richer, E., Noggle, S., and Penrose, C. 2015. Water Quality and Nutrient Management Extension Programs in Ohio. Journal of Contemporary Water Research & Education 156: 48–55.

Hankinson, M. W., Lindsey, L.E., and Culman, S.W. 2015. Effect of Planting Date and Starter Fertilizer on Soybean Grain Yield. Crop, Forage and Turfgrass Management 1(1): 6 pages.


DuPont, S.T., Beniston, J., Glover, J.D., Hodson, A., Culman, S.W., Lal, R., and Ferris, H. 2014. Root traits and soil properties in harvested perennial grassland, annual wheat, and never-tilled annual wheat. Plant and Soil 381: 405-420.

Maul, J.E., Buyer, J.S., Lehman, R.M., Culman, S.W., Blackwood, C.B., Roberts, D.P., Zasada, I.A., and Teasdale, J.R. 2014. Microbial community structure and abundance in the rhizosphere and bulk soil of a tomato cropping system that includes cover crops. Applied Soil Ecology 77:42–50.


Culman, S.W., Snapp, S.S., Ollenburger, M., Basso, B., DeHaan, L.R. 2013. Soil and water quality rapidly responds to the perennial grain, kernza wheatgrass. Agronomy Journal 105: 735 – 744.

Culman, S.W., Snapp, S.S., Green, J.M., Gentry, L. 2013. Short and long-term labile soil C and N dynamics reflect management and predict corn agronomic performance. Agronomy Journal 105: 493 – 502.

Grandy, A.S., Salam, D.S., Wickings, K. McDaniel, M., Culman, S.W., Snapp, S.S. 2013. Soil Respiration and Litter Decomposition Responses to Nitrogen Fertilization Rate in No-till Corn Systems. Agriculture, Ecosystems and Environment 179: 35 – 40.