00671nam a2200241 a 450000100080000000500110000800800410001910000200006024500790008026000460015930000100020565000240021565000340023965000120027365000120028565000210029765000110031865000130032965000260034265000220036865300220039065300170041210173272016-09-19       1992    bl uuuu     u00u1 u    #d1 aSAN JULIÁN, R.  aWeed control with sheep on no-till wheat fieldsbtesis Maestria en Ciencia  aOklahoma: Oklahoma State Universityc1992  a63 p.  aCOMPETICION VEGETAL  aCONTENIDO DE AGUA EN EL SUELO  aESCARDA  aMALEZAS  aMANEJO DEL SUELO  aOVINOS  aPASTOREO  aPRODUCCION DE PIENSOS  aTRITICUM AESTIVUM  aPLANT COMPETITION  aWEED CONTROL