Muetanene, B. A., Álvaro . Luiz Mafra, J. . Adriano Albuquerque, E. . Souza Brito, D. . Alassane, L. A. . Peternelli, and M. E. . Ossifo. “Soil Exchangeable Cations and Acidity Components in Different Cropping Systems for Onion”. JOURNAL OF ADVANCES IN AGRICULTURE, vol. 13, Oct. 2022, pp. 8-14, doi:10.24297/jaa.v13i.9297.