PÉREZ ESCOLAR, Raúl; ORTIZ LUGO, César. Vertical Topsoiling, A Practicable Technique to Manage Soils with Markedly Compact Subsoils. The Journal of Agriculture of the University of Puerto Rico, [S. l.], v. 57, n. 3, p. 186–195, 1973. DOI: 10.46429/jaupr.v57i3.10742. Disponível em: https://revistas.upr.edu/index.php/jaupr/article/view/10742. Acesso em: 26 apr. 2024.