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008 121211b |||p||p||||||| |z||| |
022 0 _a0022-4561
040 _aMX-TxCIM
041 0 _aEn
043 _aUS
072 0 _aF27
082 0 4 _a77-187085
100 1 _aKetcheson, J.
245 0 0 _aConservation tillage in eastern Canada
260 _c1977
340 _aPrinted
500 _a12 ref
546 _aEnglish
591 _aCOMOD
595 _aAC
650 1 0 _aCanada
650 1 7 _aCultivation
_gAGROVOC
_2
_91071
773 0 _tJournal of Soil and Water Conservation
_n77-187085
_gv. 32, no. 1, p. 57-60
942 _cJA
999 _c13311
_d13311