Title:Relationship between soil physicochemical characteristics and nitrogen-fixing bacteria in agricultural soils of the Atlántico department, Colombia
Title:Soluciones a la problemática ambiental de la ciénaga de Zapatosa con las propuestas de niños y jóvenes de la escuela 1 y 2 de Belén / Solutions to the environmental problems of the zapatosa cienaga with the proposals of children and young people of school 1 and 2 of Belén