000 | 00446nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 170101s1991 xx 000 0 und d | ||
082 | _a631.847 G37N | ||
100 | _aGiller, Ken E. | ||
245 | 0 | _aNitrogen fixation in Tropical cropping systems | |
260 |
_aWallingford _bC.A.B. Int. _c1991 |
||
300 | _a24cm; 313 | ||
650 | _aNITROGEN -- FIXATION | ||
653 | _aCROPPING SYSTEM -- TROPICS | ||
653 | _aNITROGEN -- FIXATION | ||
942 |
_2ddc _cB |
||
999 |
_c111376 _d111376 |