00333nam a2200133Ia 4500008004100000082001500041100001800056245003700074260001000111300001100121600003400132600001800166650001500184140224s9999    xx            000 0 und d  a631.671 N0  aStewart, B.A.  aIrrigation of agricultural crops  cxxvii  a1218p.  a B.A.Stewart and D.R.Nielsen.  aNielsen, D.R.  aIrrigation