00416nam a2200145 a 450000100080000000500110000800800410001910000170006024500880007726000540016530000150021965000160023465000120025065300080026211399812010-08-13       1978    bl uuuu      00u1 u    #d1 aTHOMPSON, D.  aA study of the energy consumption of different agronomic practices in Saskatchewan.  aSaskatchewan: Saskatchewan Research Councilc1978  a136p.cil.  aAgricultura  aEnergia  aUso