00545     2200181   4500001002100000020001800021035002000039084001700059100001600076245010800092260004800200300003100248650001600279650002300295650001900318710001300337990001300350INLIS000000000002271  a0-7923-1774-2  a0010-0124001957  a631.84 LAD b  aLADHA, J.K.  aBiological nitrogen fixation for sustainable agricultureced. by j.K. Ladha, T. George and B.B. Bohlool  aDordrechtbKluwer Academic Publishersc1992  axi, 209 p.; ills. ; 26 cm.  aAGRICULTURE  aNITROGEN FIXATION.  aSUSTAINABILITY  aVOL. 49.  a141/1997