SINGH, SANDEEP. Effect of sulphur nutrition on productivity, nutrient uptake and economics of pearl millet (Pennisetum glaucum)-Indian mustard (Brassica juncea) cropping system. The Indian Journal of Agricultural Sciences, Delhi, India, v. 87, n. 1, p. 69–73, 2017. DOI: 10.56093/ijas.v87i1.67025. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/67025. Acesso em: 22 oct. 2025.