RAO, SUBBO ADVANCES IN AGRICULTURAL MICROBIOLOGY / RAO, SUBBO - [S.N] : OXFORD & IBH PUBLISHING CO.PVT. LTD. ، 1982 - 704\P Subjects--Topical Terms: AGRICULTUREMICROBIOLOGYMICRO ORGANISMSNITROGEN FIXATIONNITROGENASE Dewey Class. No.: 630 / R A