00252nam a22001097a 4500003000400000008004100004082001700045100001100062245004400073260001700117300000800134OSt240123b        |||||||| |||| 00| 0 eng d  a627.52bF60L  aF.A.O.  aLand evaluation criteria  for irigation  aF.A.O.c1979  a219