Vanderlei, J. C., Faquin, V., Guedes, G. A. de A., & Curi, N. (2014). Boron in material of three soils from Lavras, MG, Brazil. Pesquisa Agropecuaria Brasileira, 23(12), 1421–1429. https://doi.org/10.1590/S1678-3921.pab1988.v23.14142