Faculty of Natural and Agricultural Sciences
School of Agricultural and Food Sciences
Department of Plant Production and Soil Science
van der Waals, JH
BSc (PU vir CHO) BSc Hons (Pret) MSc (Agric) (Pret) - Lecturer
Contact Details
Research Interests
Research Output
Contact Details:
Telephone number: 012 420 3214
Fax number: 012 420 4120
E-mail address: johan.vanderwaals@up.ac.za
Research Interests:
Soil water relations and plant water use
Research Output:
Research articles in refereed specialist journals:
van der Waals JH, Snyman HG, Claassens AS: 2005. Increase in metal extractability after liming of sacrificial sewage sludge disposal soils. Water SA, 31 (2) / Apr, pp 271-273.
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