000 009800000a22003610004500
904 _aBCO
905 _aC
908 _aJ
909 _aAS
914 _aSILVI
914 _aRIBRE
082 0 4 _a31571
100 1 _982831
_aKESSEL, C. VAN
100 1 _998365
_aNAKAO, P.
260 _c1986
650 1 4 _9147942
_aFIJACION DE NITROGENO
650 1 4 _9156042
_aNITROGENO
650 1 4 _9146013
_aENSAYOS
650 1 4 _9152976
_aLEUCAENA LEUCOCEPHALA
650 1 4 _9135180
_aALBIZIA LEBBECK
650 1 4 _9162977
_aRHIZOBIUM
691 _9156032
_aNITROGEN
691 _9152976
_aLEUCAENA LEUCOCEPHALA
691 _9162977
_aRHIZOBIUM
692 _aAZOTE
692 _aLEUCAENA LEUCOCEPHALA
692 _aRHIZOBIUM
773 0 _tAgronomy Journal (EUA)
_d1986
_gv.78(3)p.549-551
040 _aCR-TuBCO
_cCR-TuBCO
_bEs
245 1 0 _aThe use of nitrogen-15-depleted ammonium sulfate for estimating nitrogen fixation by leguminous trees
942 _cANA
003 CR-TuBCO
999 _c53467
_d53467