00264nam a22001097a 4500003000400000008004100004082001600045100001300061245003900074260003300113300000800146OSt230612b        |||||||| |||| 00| 0 eng d  a631.8bG72C  aH.M.S.O.  aThe Calculation of Irrigation Need  aH.M.S.O.bBeshan Singhc1965  a336