SYMBIOTIC EFFECTIVENESS OF BRAZILIAN RHIZOBIAL STRAINS IN IMPROVING N-FIXATION AND PRODUCTIVITY OF COWPEA IN MINNA, SOUTHERN GUINEA SAVANNA OF NIGERIA

by Olaotan Abimbola ADEDIRAN, Akim Osarhiemen OSUNDE, Abdullahi BALA, Mahamadi DIANDA, Haruna IBRAHIM, Olusoji Olaolu OLUFAJO, Johnson Akinade OLADIRAN
Published 2019-12-01