Arthur GD, Aremu AO, Moyo M, Stirk WA, van Staden J. Growth-promoting effects of a seaweed concentrate at various pH and water hardness conditions. S. Afr. J. Sci. [Internet]. 2013 Nov. 27 [cited 2024 Nov. 25];109(11/12):6. Available from: https://sajs.co.za/article/view/4019