000 00416nam a2200145Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631.461.4
_bHAR
245 0 _aTreatise on dinitrogen fixation. Section 4. Agronomy and ecology
260 _aNew York
_bJohn Wiley
_c1977
650 _aDinitrogen fixation
650 _aLegume symbiosis
650 _aNitrogen deficiency
700 _aHARDY, R W F
942 _cBK
999 _c24976
_d24976