00565nam a2200169 a 450000100080000000500110000800800410001910000170006024501020007726000650017930000100024449000630025465000160031765000230033370000200035670000190037618508192019-08-06       1985    bl uuuu     u0uu1 u    #d1 aPITTS, D. J.  aPlugging characteristics of drip-irrigation emitters using backwash from a water-treatment plant.  aFayetteville: Arkansas Agricultural Experiment Stationc1985  a14 p.  a(Arkansas Agricultural Experiment Station. Bulletin, 880).  aIrrigação  aQualidade da Água1 aFERGUSON, J. A.1 aGILMOUR, J. T.