Hernández-Medina E, Lugo-López MA. Observations on the Boron-Manganese Relationships in Soybean and Corn Plants. JAUPR [Internet]. 1958 Jan. 1 [cited 2024 Dec. 21];42(1):27-34. Available from: https://revistas.upr.edu/index.php/jaupr/article/view/12593