000 00331 am a2200121 a 4500
100 1 _aWood, C.J.
245 1 _aPreparation and use of seedbed
260 _aTucson
_c1937
300 _a1-11 p.
942 _2udc
_cB
440 _aSeed, Preparation Arizona Agricultural Extension Service. Extension Circular No. 102
901 _aS53090
999 _c110969
_d110969