lwazi-380x286

Details

Assistant Soil Scientist
Tel: 031 508 7400 (Switchboard)
Tel: 031 508 7466 (Direct)
Email: lwazi.poswa@sugar.org.za

Role

  • To conduct research into soil fertility and plant nutritional requirements of sugarcane
  • To transfer technology (trial and research outcomes) to growers and other role-players in the sugar industry.

Research Interests

  • Sugarcane leaf nutrition (analysis and interpretation).
  • Sugarcane micronutrients (soil and leaf).
  • Soil phosphorus sorption and interactions with other soil nutrients.

Key Publications

Poswa, L. and Miles, N. 2017. Factors affecting the solubility of phosphorus in soils of the South African sugarcane industry. Proc S Afr Sug Technol Ass 90: 122-125.

Poswa, L. and Miles, N. 2016. Crop age effects on leaf nutrient concentrations: implications for interpretive criteria. Proc S Afr Sug Technol Ass 89: 266-26

Poswa, L. and Miles, N. 2014. Prediction of fertiliser phosphorus requirement factors for soils of the Southern African sugar industry. Proc S Afr Sug Technol Ass 87: 349-352

Key Outcomes

Routine measurements of soil phosphorus sorption (FAS).

Qualifications

  • Agric in Soil Science (University of Fort Hare)
  • Agric (Honours) in Soil Science (University of Fort Hare)
  • MSc in Soil Science (University of KwaZulu-Natal)