MAHDIE, A. S. Effect of tillage deep and phosphate fertilizer in growth and yield of sun flower (Helianthusannuus L.). Journal of Kerbala for Agricultural Sciences, [S. l.], v. 1, n. 1, p. 1–14, 2013. DOI: 10.59658/jkas.v1i1.330. Disponível em: http://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/330. Acesso em: 13 may. 2024.