AMIR ABDULALLA, H.; AZIZ MAHMOUD, F. Effect of polluted soil with cadmium and lead in growth, yield and chemical structure in Carthamus tinctorius L. under nitrogen nutrition. Journal of Education and Science (JES), [S. l.], v. 22, n. 2, p. 269–288, 2009. DOI: 10.33899/edusj.2009.57695. Disponível em: https://rjps.uomosul.edu.iq/edusj/article/view/17471. Acesso em: 4 aug. 2025.