00482nam a22001937a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001500102100001700117245004700134260004400181300002000225650001800245650002500263CHAP20220329134840.0971013s1986 r 00010 d a26912 a27884 a31985 cCHAP a631.7bK3900aKay, Melvyn. aSurface irrigationb: systems and practice aBedford, Eng. :bCranfield Press,c1986 a142 p.b: ilus.14aIrrigación.14aRiego de superficie.