Faculty of Natural and Agricultural Sciences
School of Agricultural and Food Sciences
Department of Plant Production and Soil Science
Claassens, AS
DipAgric(Landboukollege Potchefstroom) MSc(Agric) DSc(Agric)(Pret) - Associate Professor
NRF Rating: C3
Contact Details
Research Interests
Research Output
Contact Details:
Telephone number: 012 420 3213
Fax number: 012 420 3221
E-mail address: andries.claassens@up.ac.za
Research Interests:
Soil water relations and plant water use
Biochemical aspects of the quality and health properties of tea
Research Output:
Research articles in refereed specialist journals:
van Niekerk CM, Claassens AS, Snyman H: 2005. N Transformation in incubated sewage sludge and commercial fertilizer enriched soil. Communications in Soil Science and Plant Analysis, 36, pp 743-757.
Barnard RO, Van Vuuren AJA, Claassens AS: 2005. Quality assurance in agricultural laboratories in Southern Africa. Communications in Soil Science and Plant Analysis, 36, pp 1-8.
Kamper M, Claassens AS: 2005. Exploitation of soil by roots as influenced by phosphorus applications. Communications in Soil Science and Plant Analysis, 36, pp 393-402.
de Jager PC, Claassens AS: 2005. Long-term phosphate desorption kinetics of an acid sandy clay soil from Mpumalanga, South Africa. Communications in Soil Science and Plant Analysis, 36, pp 309-319.
Ochwoh VA, Claassens AS, de Jager PC: 2005. Chemical changes of applied and native phosphorus during incubation and distribution into different soil phosphorus pools. Communications in Soil Science and Plant Analysis, 36, pp 535-556.
Venter A, Beukes DJ, Claassens AS, Van Meirvenne M: 2005. The effects of spatial variation of certain soil properties on the winter yield of a lucerne stand. South African Journal of Plant and Soil/Suid-Afrikaanse Tydskrif vir Plant en Grond, 22 (1), pp 38-43.
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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