Abstract QUINTIN L., Carlos; MONTOYA S., Juan Carlos and PAZ N., Iván Enrique. Release of CO2 into the atmosphere by rhizosphere activity of different crops in the coffee-growing region of the department of Cauca. Rev. Cienc. Agr.[online]. 2015, vol. 32, n. 2, pp. 68-76. ISSN 0120-0135. https://doi. org/10.22267/rcia. 153202.14.