00402nam a2200133Ia 4500008004100000082001600041100001800057245005800075260003400133300001400167600003600181600001700217650003400234140224s9999    xx            000 0 und d  a631.6.02 M4  aArakeri, H.R.  aPrinciples of soil conservation and water management/  aNew DelhibOxford & IBHc1984  axii,254p.  a H.R.Arakeri (and) Roy Donahue.  aDonahue, Roy  aSoil science,Water,Irrigation