na INLIS000000000001615 20220531020542 0010-0522000069 Nodulation and Nitrogen Fixation in Rice : Potential and Prospects / IRRI IRRI 136 hlm : ilus.; 23 cm Manila, Philippines : International Rice Research Institute, 1992 661.5 661.5 IRR n 971-22-0035-3 Nodulation and Nitrogen Fixation in Rice 2189