Castor bean cake in top-dressing application as a source of nitrogen on the production and quality of zucchini organic seeds. Bioscience Journal [online], 2020. [online], vol. 36, pp. 130–142. [Accessed5 April 2025]. DOI 10.14393/BJ-v36n0a2020-53563. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/53563.