000 003350000a22001570004500
020 _a0120007436
060 _a100
082 _a630.685 ADV.43
100 _aBrady, N C
245 _aAdvances in agronomy V 43
260 _aSan Diego, Academic press Inc
260 _c1990
300 _a373
650 _aAgronomy
942 _cBK
999 _c347049
_d347049