LI, Guangdi

Li Guangdi

Research interest

  • Acid soil management
  • Crop and pasture agronomy
  • Pasture species evaluation and improvement
  • Grazing management


Subsoil acidity is a major constraint to crop productivity in the high rainfall zone (500–800 mm) of south-eastern Australia. Approximately 50 per cent of Australia’s agriculture zone (49-50 M ha) has a surface soil pH below optimal levels (pH < 5.5 in calcium chloride) and half of this area also has subsoil acidity.

Currently, Dr Li is leading a multi-disciplinary research team across 4 research organizations in partnership with 4 leading growers groups, focusing on innovative approaches to managing subsoil acidity in the southern grain region in Australia.


  • BAgrSc – Gansu Agricultural University, China, 1982
  • MAgrSc – Gansu Agricultural University, China, 1985
  • PhD in Plant Science – Massey University, New Zealand, 1997


  • Innovative approaches to managing subsoil acidity in the southern grain region (GRDC 2015-2020)
  • Understanding the amelioration processes of the subsoil application of amendments in the Southern Region (GRDC 2016-2021)

Recent publications

  • Hayes RC, McCormick JI, Oates AA, Poile GJ, Conyers MK, Gardner MJ, Price A, O'Keeffe P, Li GD (2017) Addressing biophysical constraints for Australian farmers applying low rates of composted dairy waste to soil. Renewable Agriculture and Food Systems, 1-15.
  • Xing H, Liu DL, Li G, Wang B, Anwar MR, Crean J, Lines-Kelly R, Yu Q (2017) Incorporating grain legumes in cereal-based cropping systems to improve profitability in southern New South Wales, Australia. Agricultural Systems 154, 112-123.
  • Li GD, Conyers MK, Schwenke GD, Hayes RC, Liu DL, Lowrie AJ, Poile GJ, Oates AA, Lowrie RJ (2016) Tillage does not increase nitrous oxide emissions under dryland canola (Brassica napus L.) in a semiarid environment of south-eastern Australia. Soil Research 54, 512-522.
  • Mielenz H, Thorburn PJ, Harris RH, Officer SJ, Li G, Schwenke GD, Grace PR (2016) Nitrous oxide emissions from grain production systems across a wide range of environmental conditions in eastern Australia. Soil Research 54, 659-674.
  • Zhou X, Wu H, Li G, Chen C (2016) Short-term contributions of cover crop surface residue return to soil carbon and nitrogen contents in temperate Australia. Environmental Science and Pollution Research, 1-9.
  • Clark SG, Nie ZN, Culvenor RA, Harris CA, Hayes RC, Li GD, Norton MR, Partington DL (2016) Field evaluation of cocksfoot, tall fescue and phalaris for dry marginal environments of south-eastern Australia. 1. Establishment and herbage production. Journal of Agronomy and Crop Science 202, 96-114.
  • Culvenor RA, Clark SG, Harris CA, Hayes RC, Li GD, Nie ZN, Norton MR, Partington DL (2016) Field Evaluation of Cocksfoot, Tall Fescue and Phalaris for Dry Marginal Environments of South-Eastern Australia. 2. Persistence. Journal of Agronomy and Crop Science 202, 355-371.
  • Li Q, Yu PJ, Li GD, Zhou DW (2016) Grass-legume ratio can change soil carbon and nitrogen storage in a temperate steppe grassland. Soil and Tillage Research 157, 23-31.
  • Guo Y, Du Q, Li GD, Ni Y, Zhang Z, Ren W, Hou X (2016) Soil phosphorus fractions and arbuscular mycorrhizal fungi diversity following long-term grazing exclusion on semi-arid steppes in Inner Mongolia. Geoderma 269, 79-90.
  • Hayes RC, Li GD, Conyers MK, Virgona JM, Dear BS (2016) Lime increases productivity and the capacity of lucerne (Medicago sativa L.) and phalaris (Phalaris aquatica L.) to utilise stored soil water on an acidic soil in south-eastern Australia. Plant and Soil 400, 29-43.

Professional associations and activities

  • Adjunct Professor – Charles Sturt University, Australia
  • Adjunct Professor - University of Tasmania, Australia
  • Adjunct Professor – Gansu Agricultural University, China
  • Australian Society of Soil Science
  • Australian Society of Agronomy

Fields of research

  • 070302 Agronomy
  • 070203 Animal Management

Australian and New Zealand Standard Research Classification (ANZSRC)

Keyword/phrase list of research interests

  • Acid soil management
  • Crop and pasture agronomy
  • Pasture species evaluation and improvement
  • Grazing management

Contact details

Phone: (02) 6938 1930
Fax: (02) 6938 1809
Location: Wagga Wagga Agricultural Institute