C.S. AULAKH; M.S. GILL; R.K. MAHEY; S.S. WALIA; GURMINDER SINGH. Effect of nutrient sources on productivity of fodder cropping systems in Punjab. Indian Journal of Agronomy, [S. l.], v. 57, n. 2, p. 200–205, 2001. DOI: 10.59797/ija.v57i2.4621. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/4621. Acesso em: 26 jun. 2026.