00942nam a22002657a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082002200102111015200124245002200276260008500298300001100383650002900394650002600423650004800449650005100497650003700548650002300585650003900608650002900647CHAP20220817042922.0971013s1995 r 10010 d a59857 a60829 a64992 cCHAP a631.4063bI5 199400aInternational Workshop on Soil, Water, and Nutrient Management Researchc: Environmental and Productivity Dimensions (d1994c: Zschortau, Germany) aProceedings of... aZschortau, Germany :bThe German Foundation for International Development,c1995 a255 p.14aAgricultura sustentable.14aAgua para irrigacion.14aMedio ambientexContaminaciónxCongresos.14aRecursos naturalesxConservaciónxCongresos.14aSuelos y nutriciónxCongresos.14aSuelosxCongresos.14aSuelosxConservaciónxCongresos.14aSuelosxInvestigación.