title: Azotobacter chroococcum as an index of potassium and phosphorus deficiencies in soils of Mexico.
authors.forename: A
authors.initials: A
authors.lastname: SANCHEZ-MARROQUIN
authors.forename: M
authors.initials: M
authors.lastname: TAMAYO
mesh_terms: D001395:Azotobacter; D001419:Bacteria; D001695:Biology; D012987:Soil
chemical_list: D012987:Soil
vernacular_title: Azotobacter chroococcum como índice de las deficiencias en potasio y fósforo en suelos de México.