na INLIS000000000001861 20220823025337 0010-0822000111 Biological Notrogen Fixation For Sustainable Agriculture / J.K. Ladha, T. George and B.B. Bohlool J.K. Ladha, T. George and B.B. BohloolLo London : J.K. Ladha, T. George and B.B. BohloolLo, 1992 661.5 661.5 J.K b 0-7923-1774-2 Biological Notrogen Fixation For Sustainable Agriculture 2235