“Biol, Nitrogen Fertilization, and Topological Arrangement Effects on the Yield and Composition of maralfalfa grass (Pennisetum spp.) Grown under Subhumid Conditions in Veracruz”,. Agro Productividad (March 31, 2026). Accessed May 8, 2026. https://mail.revista-agroproductividad.org/index.php/agroproductividad/article/view/3725.