Guerrero-Ortiz, Pilar Lourdes. “Respiration of CO2 As an Indicator of Microbial Activity in Organic Fertilizers of Lupinus”. REVISTA TERRA LATINOAMERICANA 30, no. 4 (November 17, 2021): 355–362. Accessed July 16, 2024. https://terralatinoamericana.org.mx/index.php/terra/article/view/1091.