Scientific paper for dissertation in the Ph.D. program in Natural Sciences for Development Emphasis: Environmental and Culture Management

This paper was submitted in the III National Congress of Rural Development during 24-25 November 2011. UPOLI Nicaragua.

This paper is a serie work as Researching Centre for Agrarian Sciences and Applied Economic contribution to rural development.

This Thesis was a dissertation at the Local Development Master Law and Scocial Sciences UNAN León

This article is the first working paper of the Researching Center for Agricultural Sciences and Applied Economic. It is a contribution for the INTA Nicaragua.

This is a contribution of the ENVIO-NITLAPAN. The author is member of the scientific council of the RCASAE, and he is a senior researcher of the CAU NITLAPAN.

This paper don�t was submitted on the conference, however the author participated on the event. He member of the European Association of Agricultual Ecnomist (EAAE)

This paper was submitted on the first national congress of Sustainable Agriculture: Today and future life towards climate change, 25-26 August 2011,UNA Nicaragua.

The paper was submitted on the VII Central American University Congress that was hold on the National Autonomous University of Nicaragua, Le�n as a greetings toward the Unan Le�n Bicentenary 1812-2012.