000 00300 a2200121 4500
080 _a633.2(063)
_bN 669 P
245 1 _aProceedings
_cedited by K.F. Nielsen
260 _aAlberta
_bWestern Co-operative Fertilizer
_c1969
650 _aForage Crops
100 _a
_d
300 _a460 p.
901 _a105584
999 _c47736
_d47736