000 00604nam a2200193Ia 4500
919 _a129661
082 _a630.05
_bN49.66 "SER"
245 _aAdvances in agronomy. Vol.66/ed. by Donald L Sparks
_b
260 _aSan Diego
_bAcademic Press
_c1999
690 _aAgronomy
700 _aSparks, Donald L, ed
999 _c124816
_d124816