Fourie J. Soil Management in the Breede River Valley Wine Grape Region, South Africa. 4. Organic Matter and Macro-nutrient Content of a Medium-textured Soil. SAJEV [Internet]. 2016 Nov. 15 [cited 2026 Jun. 13];33(1):105-14. Available from: https://scriptura.journals.ac.za/index.php/sajev/article/view/1312