Conradie W. Timing of Nitrogen Fertilisation and the Effect of Poultry Manure on the Performance of Grapevines on Sandy Soil. I. Soil Analysis, Grape Yield and Vegetative Growth. SAJEV [Internet]. 2017May4 [cited 2026Mar.5];22(2):53-9. Available from: https://www.journals.ac.za/sajev/article/view/2192