000 00378nas a2200121Ia 4500
008 140318n xxu |||gr||||Z||||||eng
082 _a630
245 0 _aAgronomy Journal Vol. 49
_hBound Volumes
260 _aUSA
_bAmerican Society of Agronomy
_c1957.
300 _a694.
653 _aAgronomy
942 _2ddc
_cBV
999 _c66745
_d66745