L.M. Suresh Selectionof rhizobium for inoculationof cowpea [Vigna unguiculata (L.,) Walp.] And lucerne (Meidcago sativa l.,) Grown in Alkali - M.Sc (Agri) - Bangalore University of Agricultural Sciences Bangalore 1995 - 134p ENGLISH Dewey Class. No.: 630 / SUR