Scow Soil Microbial Ecology Lab

Deirdre Griffin

My projects investigate 1) the effects of biochar on crop yields, soil nutrient cycling, and soil microbial communities in a field experiment, 2) impacts of biochars on nodulation of legumes by rhizobia bacteria, 3) how wetting patterns in subsurface drip irrigation impacts soil microbial communities, nutrient transformations, and soil carbon storage.


Publications

Margenot, A.J., Griffin, D.E., Alves, B.S.Q., Rippner, D.A., Li, C., Parikh, S.J. 2017. Softwood biochar can be a substitute for peat moss in soil-free substrates without negative impacts on marigold growth. Industrial Crops and Products. Under review.

Griffin, D.E., Wang, D., Parikh, S.J., Scow, K.M. 2017. Short-lived effects of walnut shell biochar on soils and crop yields in a long-term field experiment. Agriculture, Ecosystems, and Environment. 236:21-29.

Wang, D., Griffin, D.E., Parikh, S.J., Scow, K.M. 2016. Impact of biochar amendment on soil water soluble carbon in the context of extreme hydrological events. Chemosphere. 160:287-292.

Griffin, D.E. 2012. Managing Abiotic Factors of Compost to Increase Soilborne Disease Suppression. Journal of Natural Resources and Life Sciences Education. 41:31-34.


Selected Presentations

Griffin, D.E., K. Le Baudour, K.M. Scow, S.A. Vosti. Putting an economic value on cover crops: Impacts on profitability and soil quality in a conventional tomato system. Talk presented at the 2017 Annual Field Day for the Russell Ranch Sustainable Agriculture Facility, Agricultural Sustainability Institute, UC Davis, June 14, 2017.

Griffin, D.E., D. Wang, S.J. Parikh, K.M. Scow. Short-lived Effects of Walnut Shell Biochar in a Long-term Field Experiment. Oral presentation at ASA-CSSA-SSSA Annual Meetings, Phoenix, AZ, November 6-9, 2016.

Griffin, D.E., D. Wang, K.M. Scow. How does biochar impact nutrient cycling? Potential effects on nitrogen availability, soil structure, and yields. Talk presented at the 2015 Annual Field Day for the Russell Ranch Sustainable Agriculture Facility, Agricultural Sustainability Institute, UC Davis, May 21, 2015.

Griffin, D.E., D. Wang, K.M. Scow, S.J. Parikh. 2014. Effects of Biochar on Soil Microbial Communities and Nitrogen Cycling in Two California Nutrient Management Systems. Poster presented at ASA-CSSA-SSSA Annual Meetings, Long Beach, CA, November 2-5, 2014. (1st Place Winner in Soil Biology and Biochemistry Division)

Griffin, D.E., K.M. Scow, S.J. Parikh. 2013. Interactions of Biochar with Legume-Rhizobia Symbiosis. Poster presented at ASA-CSSA-SSSA Annual Meetings, Tampa, FL, November 3-6, 2013.