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.

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

The present works is part of my doctoral dissertation for getting title of Doctor of Philosophy with major in Science and Specialization in the Economics of Agriculture and Local Development. The research hypothesis was: ܉f agricultural and forest activities apply agricultural economics, then...

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