摘要: Access to water is viewed as a basic human right, social necessity and critical environmental resource in spite of the fact that also has its own financial economic values. Thus, selection set prices pricing mechanisms addressing these contradicting views remarkably complicated. On other hand, typically good means cover initial costs sustain resources invested systems development, especially irrigated agriculture. Additionally, cost services needs be reasonable enough linked amount consumed encourage conservation. This paper illustrates criteria for equitable sharing, which include justification, efficiency equity well users' acceptance. Elements agricultural are discussed. These elements comprise: services, total associated with development; value water, reflects wat...