000 00281nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a581.1335
_bHAY
100 _aHaynes, R.J.
245 _aMineral nitrogen in the plant-soil system
260 _bAcademic Press
_aOrlando
_c1986
999 _c132999
_d132999