2022. Edaphic macrofauna in corn cultivation (zea mays) biofertilized with pork sludge, (perote-mexico). Journal Facultad de Ciencias Agropecuarias - FAGROPEC. 14, 1 (Jan. 2022), 42–56. DOI:https://doi.org/10.47847/fagropec.v14n1a3.