OCAMPO QUIJANO, Lucía E.; OSORIO VEGA, Walter N.; MARTINEZ ATENCIA, Judith  y  CABRERA TORRES, Kenneth R.. Soil bulk density and aggregate size control plant root growth of Megathyrsus maximus. Acta Agron. [online]. 2021, vol.70, n.4, pp.353-362.  Epub 30-Mar-2023. ISSN 0120-2812.