Nichols, K.A., Liebig, M.A., Tanaka, D.L. 2012. Soil aggregation and glomalin in a soil quality management study in a cold, semi-arid region. International Soil and Water Conservation Conference. Abstract 138.
Banks, J.E., Cline, E.T., Castro, S., Urena, N., Nichols, K.A., Hannon, L., Singer, R., Chandler, M. 2011. Effects of synthetic fertilizer on coffee yields and ecosystem services: Soil glomalin and parasitoids in a Costa Rican coffee agroecosystem. Journal of Crop Improvement. 25:650-663.
Ashley, R.O., Nichols, K.A. 2011. Arbuscular mycorrhizal fungi and glomalin in fumigated and natural soils. Dickinson Research Extension Center Publications. 2011 Annual Report. www.ag.ndsu.edu/DickinsonREC/annual-reports-1/2010-annual-report/agron10i.pdf.
Toro, M., Nichols, K.A. 2011. Glomalin as an indicator of mycorrhizae in tropical agroecosystems. IN: Microbial Ecology of Tropical Soils. A.S.F. de Araujo M. do Vale Barreeto Figueiredo (Eds.). Book Chapter. p. 207-247.
Xue, Q., Nyren, P.E., Wang, G., Eriksmoen, E., Bradbury, G., Halvorson, M., Aberle, E., Nichols, K.A., Liebig, M.A. 2011. Biomass composition of perennial grasses for biofuel production in North Dakota, USA. Biofuels. 2(5):515-528. doi: 10.4155/bfs.11.123
Nichols, K.A. 2010. Soil aggregation as mechanism for understanding the roles of soil biota in the sustainable usage of natural resources. IN: ASA-CSSA-SSSA Annual Meeting Abstracts (CDROM), 31 October - 4 November 2010, Long Beach, CA.
Pikul, Jr., J.L., Chilom, G., Rice, J., Eynard, A., Schumacher, T.E., Nichols, K., Johnson, J.M.F., Wright, S., Caesar, T., Ellsbury, M. 2009. Organic Matter and Water Stability of Field Aggregates Affected by Tillage in South Dakota. Soil Science Society of America Journal. 73:197-206.
Nichols, K.A. 2008. Indirect Contributions of AM Fungi and Soil Aggregation to Plant Growth and Protection. IN: Siddiqui, Z.A., Akhtar, M.S., Futai, K. (eds.) Mycorrhizae: Sustainable Agriculture and Forestry. Spinger Science. pp. 177-194.
Hendrickson, J.R., Nichols, K.A., Johnson, H.A. 2008. Native and introduced mycorrhizal fungi effect on switchgrass response to water and defoliation stress. IN: Society for Range Management Meeting Abstracts (CD ROM), January 27 - February 1, 2008. Louiville, KY.
Nichols, K.A., Liebig, M.A., Samson-Liebig, S.E. 2006. An inexpensive and simple method to demonstrate water infiltration and water-holding capacity in the field and classroom. Meeting Abstract. World Congress of Soil Science, Philadalphia, PA, July 9-15, 2006.
Nichols, K.A., Hendrickson, J.R., Millar, J.E. 2006. Glomalin and water-stable aggregation measurements in northern plains rangeland management studies. World Congress of Soil Science, Philadelphia, PA, July 9-15, 2006. Meeting Abstract.
Liebig, M.A., Hendrickson, J.R., Nichols, K.A. Long-term agroecosystem experiments and sample archives at usda-ars-ngprl. Meeting Proceedings of the World Congress of Soil Science held in Philadelphia, PA on July 9-15, 2006.
Nichols, K.A. 2006. Making soil biology work for you. IN: Andy Berntson (ed.) 28th Annual Zero Tillage & Winter Wheat Workshop. 9-10 Feb. Manitoba-North Dakota Zero-Tillage Farmers Association Conference Proceedings.
Pikul Jr, J.L., Nichols, K.A., Eynard, A., Schumacher, T. 2005. Soil organic matter and aggregate stability under contrasting management in Eastern South Dakota. ASA/CSSA/SSSA Annual Meetings, Salt Lake City, Utah, November 6-10, 2005. In Agronomy Abstracts, 2005. American Society of Agronomy, Madison, WI.
Cavigelli, M.A., Teasdale, J.R., Szlavecz, K., Nichols, K.A., Green, V.S. 2004. The USDA-ARS farming systems project: evaluating the sustainability of organic and conventional cropping systems in the mid-Atlantic [abstract]. Mid-Atlantic Ecology Conference. Paper No. 4.
Nichols, K.A., Wright, S.E. 2004. Contributions of soil fungi to organic matter in agricultural soils. In: Magdoff, F. and Weil R., editors. Functions and Management of Soil Organic Matter in Agroecosystems. Washington D.C.:CRC Press. p. 179-198.
Gonzalez-Chavez, M., Carillo-Gonzalez, R., Wright, S.E., Nichols, K.A. 2004. The role of glomalin, a protein produced by arbuscular mycorrhizal fungi, in sequestering potentially toxic elements. Environmental Pollution. 130:317-323.
Lovelock, C.E., Wright, S.E., Nichols, K.A. 2004. Using glomalin as an indicator for arbuscular mycorrhizal hyphal growth: An example from a tropical rainforest soil. Soil Biology and Biochemistry. 36(6): 1009-1012.
NICHOLS, K.A., WRIGHT, S.E., SCHMIDT, W.F., SIMPSON, A.J., DZANTOR, E.K. USING NMR TO DISTINGUISH UNIQUE COMPONENTS OF HUMIC SUBSTANCES. AMERICAN SOCIETY OF AGRONOMY MEETINGS. 2001. S03-NICHOLS190155-0.