Symbiotic and agronomic characterization of Bradyrhizobial strains nodulating cowpea in Northern Peru

by Valdez, Renzo, Soriano, Bertha, Prado, Gardenia, Zavaleta, David, Matsubara, Minoru, Zúñiga, Doris, Dion, Patricie, Valladolid, Ángel, Ruesta Campoverde, Nelson Asdrúbal, Castellano-Hinojosa, Antonio, Correa-Galeote, David, Bedmar, Eulogio J.