Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Van der Watt, H.v.H."

Browsing Theses and Dissertations (University of Pretoria) by Supervisor "Van der Watt, H.v.H."

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  • Bioavailability of certain heavy metals in selected organic products 
    Steyn, Carl Eduard (University of Pretoria, 1994)
    A short-term greenhouse pot experiment was conducted to determine the bioavailability of certain trace elements in organic fertilizers. Ni, Co, Cd, Cu, and Zn were selected for study. Lettuce (Lactuca sativa L. cv. Golden ...