000 00300nam a2200133Ia 4500
082 _a630.72/BRA
100 _aBrady, N C., ed.
245 _aAdvances in agronomy, vol 23
260 _bAcademic Press
_aNew York
_c1971
300 _a407
650 _aagriculture
650 _aagronomy
942 _2ddc
_cBK
999 _c847
_d847