Presented at: UNIVERSITIES NATIONAL COUNCIL III UNVERSITY SCIENTIFIC CONGRESS 41 ANNIVERSARY OF THE CATHOLIC FARMING LIVESTOCK UNIVERSITY OF THE DRY TROPIC ¨UNIVERSITY, SCIENCE AND TECNOLOGY: A STRATEGY FOR CONFRONTING THE NATIONAL GLOBAL CHALLENGE¨ 23 SEPTEMBER 2009

The 2009 conferences will provide many opportunities for the presentation of important new research and for productive, structured dialogue on the major challenges facing the global response to the financial crisis. Conference organisers are developing a wide variety of session types that meet...

Presented at: NATIONAL AUTONOMOUS UNIVERSITY OF NICARAGUA, LEON IV AGROFOREST SYMPOSIUM “CONTRIBUTION TO THE AGROFOREST SYSTEM OF SUSTAINABLE MANAGEMENT OF THE LAND, FOR MITIGATION AND CLIMATE CHANGE ADAPTATION” 05 – 06 NOVEMBER 2009

Published in Applied Engineering in Agriculture, Vol. 25(3): 391‐400

Published in: Applied Engineering in Agriculture, Vol. 22(5): 723-728

Published in: Applied Engineering in Agriculture, Vol. 25(2): 227‐244

Published in Applied Engineering in Agriculture, Vol. 26(3): 455‐461, 2010. American Society of Agricultural and Biological Engineers

This paper is a postdoctoral research, that was organized by the Autonomous National University of Nicaragua, Leon and supported by ASDI.

Draft version ‐ final version forthcoming in International Trade Journal

Paper presented in the VII PENSA CONFERENCE, November/2009, FEA/USP, São Paulo, Brazil.