Laying the technological foundation for sustained agricultural development

abonos agricultura agricultura de bajo insumo agricultural development agriculture agriculture faible niveau intrants biotechnologie biotechnology biotecnologia changement technologique conservation de l'eau conservation des sols deterioro del suelo developing countries engrais environmental impact fertilizers impact sur l'environnement impacto ambiental integrated pest management low input agriculture productividad productivity soil conservation soil degradation soil deterioration sostenibilidad sustainability technical progress technological changes technology transfer transfert de technologie water conservation