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Doctor of Philosophy (University of Queensland)
Research area Sustainable agriculture, nitrogen use efficiency and greenhouse gas emissions from agricultural and native ecosystems, soil carbon sequestration mitigation strategies, simulation of agroecosystems. Coordinated the Australian nitrous oxide (in agriculture) research program (2007-2016), a $50M network of automated sampling sites funded by the Department of Agriculture and Water Resources and managed by the Grains Research and Development Corporation. Current studies include the carbon balance of grasslands (TERN OzFlux and MLA); the development of nitrate removal technologies (bioreactors) to reduce aquatic pollution (DAF); increasing nitrogen use efficiency in cotton farming systems (CRDC); Future Farm - the intersection of advanced sensing technologies for nitrogen management in cotton and grain systems (GRDC & CRDC); Assisting Indo-Pacific countries to reduce greenhouse gas emissions from agriculture (ACIAR). Represented Australia in the Global Research Alliance for Agricultural Greenhouse Gases - Croplands and Soil C/N Crosscutting issues Working Groups. Peter has been active in both the developed and developing world promoting the use of simple soil assays and educating land holders in soil management for maximising long-term productivity and profitability. Adjunct appointments at Michigan State University and the Earth Institute of Columbia University (NY).Projects
Additional information
- Manca, F., De Rosa, D., Reading, L., Rowlings, D., Scheer, C., Schipper, L. & Grace, P. (2021). Effect of soil cap and nitrate inflow on nitrous oxide emissions from woodchip bioreactors. Ecological Engineering, 166. https://eprints.qut.edu.au/210152
- Takeda, N., Friedl, J., Rowlings, D., De Rosa, D., Scheer, C. & Grace, P. (2021). Exponential response of nitrous oxide (N2O) emissions to increasing nitrogen fertiliser rates in a tropical sugarcane cropping system. Agriculture, Ecosystems and Environment, 313. https://eprints.qut.edu.au/208911
- Takeda, N., Friedl, J., Rowlings, D., Rosa, D., Scheer, C. & Grace, P. (2021). No sugar yield gains but larger fertiliser 15N loss with increasing N rates in an intensive sugarcane system. Nutrient Cycling in Agroecosystems, 121(1), 99–113. https://eprints.qut.edu.au/212747
- De Rosa, D., Basso, B., Fasiolo, M., Friedl, J., Fulkerson, B., Grace, P. & Rowlings, D. (2021). Predicting pasture biomass using a statistical model and machine learning algorithm implemented with remotely sensed imagery. Computers and Electronics in Agriculture, 180. https://eprints.qut.edu.au/206883
- Friedl, J., Scheer, C., Rosa, D., Müller, C., Grace, P. & Rowlings, D. (2021). Sources of nitrous oxide from intensively managed pasture soils: the hole in the pipe. Environmental Research Letters, 16(6). https://eprints.qut.edu.au/210233
- Grace, P., van der Weerden, T., Rowlings, D., Scheer, C., Brunk, C., Kiese, R., Butterbach-Bahl, K., Rees, R., Skiba, U. & Robertson, G. (2020). Global Research Alliance N2O chamber methodology guidelines: Considerations for automated flux measurement. Journal of Environmental Quality, 49(5), 1126–1140. https://eprints.qut.edu.au/210547
- Rousset, C., Clough, T., Grace, P., Rowlings, D. & Scheer, C. (2020). Soil type, bulk density and drainage effects on relative gas diffusivity and N2O emissions. Soil Research, 58(8), 726–736. https://eprints.qut.edu.au/210549
- Mitchell, E., Scheer, C., Rowlings, D., Cotrufo, M., Conant, R., Friedl, J. & Grace, P. (2020). Trade-off between 'new' SOC stabilisation from above-ground inputs and priming of native C as determined by soil type and residue placement. Biogeochemistry, 149(2), 221–236. https://eprints.qut.edu.au/202234
- Mitchell, E., Scheer, C., Rowlings, D., Conant, R., Cotrufo, M. & Grace, P. (2018). Amount and incorporation of plant residue inputs modify residue stabilisation dynamics in soil organic matter fractions. Agriculture, Ecosystems and Environment, 256, 82–91. https://eprints.qut.edu.au/126951
- Angus, J. & Grace, P. (2017). Nitrogen balance in Australia and nitrogen use efficiency on Australian farms. Soil Research, 55(6), 435–450. https://eprints.qut.edu.au/130414