BARMAN, K K; GANESHAMURTHY, A N; TAKKAR, P N. Zinc requirement of soybean (Glycine max) - wheat (Triticum aestivum) cropping sequence in some swell-shrink soils. The Indian Journal of Agricultural Sciences, Delhi, India, v. 68, n. 12, 2013. Disponível em: https://epubs.icar.org.in/index.php/IJAgS/article/view/27792. Acesso em: 28 oct. 2025.