P.C. PATEL; J.P. YADAVENDRA; A. V. KOTECHA. Effect of source and level of sulphur on seed yield and nitrogen and sulphur uptake , by lucerne (Medicago sativa). Indian Journal of Agronomy, [S. l.], v. 49, n. 2, p. 128–130, 2001. DOI: 10.59797/ija.v49i2.5176. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/5176. Acesso em: 25 jun. 2026.