00282nam a22001097a 4500003000400000008004100004082002300045100002300068245005500091260001800146300000800164OSt231213b        |||||||| |||| 00| 0 eng d  aR631.7095491bL82F  aLowdermilk, max K.  aFarm irrigation constraints and farmers responses.  bW.M.R.Pc1978  a146