000 00442nam a2200169Ia 4500
008 220204s9999 xx 000 0 und d
082 _a631/635
_bADV.29
245 0 _aAdvances in agronomy. V 29
260 _aNew York
_bAcademic
_c1977
650 _aAgronomy
650 _aGrass
650 _aNitrogen fixation
650 _aSoil organic phosphorus
650 _aSomatic cell genetics
650 _aTrickle drip irrigation
942 _cBK
999 _c27927
_d27927