000 003510000a22001570004500
020 _a0120007622
060 _a100
082 _a630.685 ADV.62
100 _aSparks, Donald L
245 _aAdvances in agronomy V 62
260 _aSan Diego, Academic Press
260 _c1998
300 _a308
650 _aAgronomy/ Soil Science
942 _cBK
999 _c347109
_d347109