CONRADIE, W. J. The Uptake and Distribution of 15N enriched Nitrate by three Rootstock Cultivars grafted to Chenin blanc. South African Journal of Enology and Viticulture, [S. l.], v. 4, n. 2, p. 45–47, 2017. DOI: 10.21548/4-2-2369. Disponível em: https://www.journals.ac.za/sajev/article/view/2369. Acesso em: 20 feb. 2026.