V.K. SINGH; V. KUMAR; V. GOVIL. Assessing sulphur deficiencies in soils and on-farm yield response to sulphur under rice (Oryza sativa)wheat (Triticum aestivum) system in Garhwal region. Indian Journal of Agronomy, [S. l.], v. 58, n. 1, p. 45139 , 2001. DOI: 10.59797/ija.v58i1.4146. Disponível em: https://pub.isa-india.in/index.php/ija/article/view/4146. Acesso em: 14 jul. 2026.