Productivity and profitability of fodder sorghum + cowpea – chickpea cropping system as influenced by organic manure, phosphorus and sulphur application in central India. Range Management and Agroforestry, [S. l.], v. 35, n. 1, p. 66–72, 2021. Disponível em: https://rmaj.in/rma/article/view/411. Acesso em: 5 apr. 2026.