Position:        Professor of Soil and Environmental Science

 

Address:

            Department of Soil and Physical Sciences

            Faculty of Agriculture and Life Sciences

            PO Box 85084

            Lincoln University

            Lincoln 7647, Christchurch

            New Zealand

 

Telephone:   64 3 4230779

Fax:    64 3 325 3607

Email: hong.di@lincoln.ac.nz

Website : http://www.lincoln.ac.nz/

 

Awards, honours, and memberships

 

  • Honoured by Her Majesty Queen Elizabeth the II, as Officer of the New Zealand Order of Merit (ONZM), for services to agricultural research. Announced in The Queen’s Birthday Honours, 2 June 2008.
  • Elected as a Fellow of the Royal Society of New Zealand (FRSNZ). 2016.
  • Elected as Fellow of the New Zealand Institute of Agricultural and Horticultural Sciences (FNZIAHS). 2008.
  •  
  • Agricom Significant Achievement Award for outstanding contributions to the advancement of agriculture and horticulture. New Zealand Institute of Agricultural and Horticultural Science Inc. 2005.
  • Awarded the New Zealand Society of Soil Science Leamy Award for Most Meritorious New Zealand Contribution to Soil Science published in the past 3 years (2000).

 

Research interests

  • Nitrate leaching, nitrous oxide emissions.
  • Mitigation of nitrous oxide emissions and nitrate leaching using nitrification inhibitors.
  • Soil molecular microbial ecology.

 

Publications

 

Di, H.J. and Cameron, K.C. (2016). Inhibition of nitrification to mitigate nitrate leaching and nitrous oxide emissions in grazed grassland: A review. Journal of Soils and Sediments 16: 1401–1420. DOI 10.1007/s11368-016-1403-8.

Di, H.J., Cameron, K.C., Podolyan, A., Edwards, G., de Klein, C., Dynes, R. and Woods, R. (2016). The potential of using alternative pastures, forage crops and gibberellic acid to mitigate nitrous oxide emissions. Journal of Soils and Sediments. 16:2252–2262. DOI 10.1007/s11368-016-1442-1.

Di, H.J., Cameron, K.C., Podolyan, A., and Robinson, A. (2014). Effect of soil moisture status and a nitrification inhibitor, dicyandiamide, on ammonia oxidizer and denitrifier growth and nitrous oxide emissions in a grassland soil. Soil Biology and Biochemistry. http://dx.doi.org/10.1016/j.soilbio.2014.02.01. 73: 59-68.

Di, H.J. and Cameron, K.C. (2012). How does the application of different nitrification inhibitors affect nitrous oxide emissions and nitrate leaching from cow urine in grazed pastures? Soil Use and Management 28: 54–61.

Di, H.J. and Cameron, K.C. (2011). Inhibition of ammonium oxidation by a liquid formulation of 3,4-Dimethylpyrazole phosphate (DMPP) compared with a dicyandiamide (DCD) solution in six New Zealand grazed grassland soils. Journal of Soils and Sediments 11: 1032–1039.

Di, H.J., Cameron, K.C., Shen, J.P., Winefield, C.S., O’Callaghan, M., Bowatte, S. and He, J.Z. (2011). Methanotroph abundance not affected by applications of animal urine and a nitrification inhibitor, dicyandiamide, in six grazed grassland soils. Journal of Soils and Sediments. 11: 432-439. DOI 10.1007/s11368-010-0318-z.

Di, H.J., Cameron, K.C., Shen, J.P., Winefield, C.S., O’Callaghan, M., Bowatte, S. and He, J.Z. (2010). Ammonia oxidizing bacteria and archaea grow under contrasting soil nitrogen conditions. FEMS Microbiology Ecology 72: 386-394.

Di, H.J., Cameron, K.C., Sherlock, R.R., Shen, J.P., He, J.Z., Winefield, C.S. (2010). Nitrous oxide emissions from grazed grassland as affected by a nitrification inhibitor, dicyandiamide, and relationships with ammonia oxidizing bacteria and archaea. Journal of Soils and Sediments DOI 10.1007/s11368-009-0174-x. 10: 943-954.

Di, H.J., Cameron, K.C., Shen, J.P., Winefield, C.S., O’Callaghan, M., Bowatte, S. and He, J.Z. (2009). Nitrification driven by bacteria and not archaea in nitrogen rich grassland soils. Nature Geoscience 2: 621-624.

Di, H.J., Cameron, K.C., Shen, J.P., He, J.Z., Winefield, C.S. (2009). A lysimeter study of nitrate leaching from grazed grassland as affected by a nitrification inhibitor, dicyandiamide, and relationships with ammonia oxidizing bacteria and archaea. Soil Use and Management 25: 454-461.

Di, H.J. and Cameron, K.C. (2008). Sources of nitrous oxide from 15N-labelled animal urine and urea fertilizer with and without a nitrification inhibitor, dicyandiamide (DCD). Australian Journal of Soil Research 46: 76-82.

Di, H.J. and Cameron, K.C. (2007). Nitrate leaching losses and pasture yields as affected by different rates of animal urine nitrogen returns and application of a nitrification inhibitor – a lysimeter study. Nutrient Cycling in Agroecosystems 79: 281-290.

Di, H.J., Cameron, K.C. and R.R. Sherlock (2007). Comparison of the effectiveness of a nitrification inhibitor, dicyandiamide (DCD), in reducing nitrous oxide emissions in four different soils under different climatic and management conditions. Soil Use and Management 23: 1-9.

Di, H.J. and Cameron, K.C. (2006). Nitrous oxide emissions from two dairy pasture soils as affected by different rates of a fine particle suspension nitrification inhibitor, dicyandiamide (DCD). Biology and Fertility of Soils 42: 472-480.

Di, H.J. and Cameron, K.C. (2005). Reducing environmental impacts of agriculture by using a fine particle suspension nitrification inhibitor to decrease nitrate leaching from grazed pastures. Agriculture, Ecosystems and Environment 109: 202-212.