Soil Science
Welcome to Stellenbosch University

Department of Soil Science Research Projects

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​​​​PhD Research Projects​​ ​ ​

Sika Biochar Project Small Pic table.jpg

​​​Effect of biochars with varying physicochemical properties on ammonium nitrate fertilizer availability​​​​

PhD student: Ms MP Sika
Supervisor: Dr AG Hardie
Co-supervisor: Dr A Rozanov
Funding: NRF, SU

Mathys Humics Project Small Pic table.jpg

​​Development of diagnostic criteria and investigation of organic carbon stabilization mechanisms in humic soils in South Africa

PhD student: Ms IL Mathys
Supervisor: Dr AG Hardie
Co-supervisors: Dr CE Clarke
Funding: NRF​, SU


Wiese Project Small Pic.jpg

​Digital soil mapping of soil organic carbon in​​ventories in the upper reaches of the Mvoti River, KZN​

PhD student: Ms L Wiese ​
Supervisor: Dr A Rozanov
Co-supervisors: Prof T Seifert, Dr WP de Clercq
Funding: NRF
Smith Rooibos Project Small Pic table.jpg

Soil fertility management in rooibos tea production​​

PhD student: Mr JFN Smith
Supervisor: Dr AG Hardie
Co-supervisors: Dr M Schmeisser
Funding: Rooibos Ltd.
Adams humification Project Small pic.jpg

​Mineral-catalyz​​ed humification of hydrophobic and hydrophilic biomolecules into stabilized organic matter

PhD student: Mr A Adams
Supervisors: Dr CE Clarke
Co-supervisor: Dr AG Hardie
Funding: NRF​, SU
Ignacio Project Small pic table.jpg

​Soil geomorphology relationships in KwaZulu-Natal

PhD student: Mr J Atkinson
Supervisor: Dr WP de Clercq
Co-supervisor: Dr A Rozanov
Funding: NRF

​​MSc Research Projects​ ​

overberg small.jpg

Organic matter dynamics in forestry and agricultural systems of the Southern Cape

MSc student: Mr AE du Toit
Supervisor: Dr A Rozanov
Co-supervisors: Dr WP de Clercq
Funding: NRF
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Comparison of small-holder farmer organic and conventional farming practices in the Stellenbosch area

MSc student: Mr S Gobozi
Supervisor: Dr AG Hardie
Funding: Sustainability Institute, NRF. SU
rooibos field (269x336).jpgCombined effect of NPK fertilizer on rooibos tea under Clanwilliam field conditions
MSc student: Mr M Lourenco
Supervisor: Dr AG Hardie
Co-Supervisors: Prof A Valentine (Botany)
Funding: Rooibos Ltd.
IMG-20140731-01210 (268x336).jpg

Mapping soil heterogenity prior to estabilishment of long-term field trials at Langgewens, in the Swartland


MSc student: Mr D Osbourne
Supervisor: Dr A Rozanov
Co-supervisors: Dr CE Clarke
Funding: Western Cape Department of Agriculture

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Apple root development as controlled by irrigation scheduling

MSc student: Ms A Stofberg
Supervisor: Dr JE Hoffman
Co-supervisors: Dr J van Zyl
Funding: Hortgro Science
rooibos soil water (269x336).jpg

Soil water balance of rooibos tea in the Clanwilliam region

MSc student: Ms R van Schalkwyk
Supervisor: Dr JE Hoffman
Co-supervisors: Dr AG Hardie
Funding: Rooibos Ltd.
S Dinwa project (252x336).jpg

​Dispersible clay properties in various soil types

MSc student: Ms S Dinwa
Supervisor: Dr CE Clarke
Co-supervisors: Dr A Rozanov
Funding: SU, Agriseta
Trevan DSM (222x279).jpg

​Digital soil mapping in the Sandspruit catchment

MSc student: Mr T Flynn
Supervisor: Dr CE Clarke
Co-supervisors: Dr A Rozanov
Funding: NRF
Enke Hartnick (336x420).jpg

Assessing the potential of using computerized tomography to determine the physical and hydraulic properties of different textured soils​

MSc student: Ms E Hartnick
Supervisor: Mr V Lategan
Co-supervisors: Dr A du Plessis
Funding: SU
Karla Hoogendijk (335x420).jpg

​The effect of winery wastewater irrigation hydraulic properties of soils commonly found in the Western Cape

MSc student: Ms K Hoogendijk
Supervisor: Dr JE Hoffman
Co-supervisors: Dr P Myburgh (ARC-Nietvoorbij)
Funding: Winetech
Lauren soils.jpg

​NIR characterisation of the lithological origin of soils and baseline metal concentrations in soils of different lithology

MSc student: Ms L Louw
Supervisor: Dr Anton du Plessis
Co-supervisors: Dr CE Clarke
Funding: NRF
rooibos field n cape (336x420).jpg

​Effect of soil physical properties on rooibos growth patterns in Niewoudtville area

MSc student: Mr K Olifant
Supervisor: Dr JE Hoffman
Co-supervisors: Dr AG Hardie
Funding: Northern Cape Department of Agriculture
Naude Opperman (336x420).jpg

​Investigating the effect of different soil textures on different soil hydraulic properties

MSc student: Mr J Opperman
Supervisor: Mr V Lategan
Co-supervisors: Dr JE Hoffman
Funding: Winetech
rooibos N cape (336x420).jpg

​Evaluation of the application of organic fertilizers and compost teas on rooibos tea in the Niewoudtville area

MSc student: Mr S van Heerden
Supervisor: Dr AG Hardie
Co-supervisors: Dr W Hoffman (Agricultural Economics), Dr JE Hoffman
Funding: N Cape Dept Agriculture
Vicent project small pic.jpg

​Improving P fertilizer recommendations  using soil P buffer capacity and comparison of various P extraction tests on a variety of South-African soils

MSc student: Mr V White
Supervisor: Dr AG Hardie
Co-supervisor: Dr P Raath (Bemlab)
Funding: Bemlab (Pty) Ltd. Somerset West