CONRADIE, W. J. Seasonal Uptake of Nutrients by Chenin blanc in Sand Culture: I. Nitrogen. South African Journal of Enology and Viticulture, [S. l.], v. 1, n. 1, p. 59–65, 2017. DOI: 10.21548/1-1-2414. Disponível em: https://www.journals.ac.za/sajev/article/view/2414. Acesso em: 20 feb. 2026.