000 00472nam a2200181Ia 4500
008 220204s9999 xx 000 0 und d
020 _a0851994172
082 _a631.461.5(213.5)
_bGIL
100 _aGiller, Ken E
245 0 _aNitrogen fixation in tropical cropping systems
250 _aEd.2
260 _aUK
_bCABI Publishing
_c2001
650 _aAgroforestry
650 _aCover crops
650 _aCropping systems
650 _aNitrogen fixation
942 _cBK
999 _c42214
_d42214