The Agriculture, a sector at the heart of a social and societal transformation process

At the dawn of its great challenges, Agriculture remains a sector of activity which concerns directly nearly 40% of the world population: however, the distribution of such strengths and competences remains highly unequal between emerging countries and developed countries where the question arises: how to renew its human capital?  Are we going towards an Agriculture without farmers? Or, on the contrary isn't Agriculture an opportunity of integration, security, skill improvement of populations?
How can Agriculture embrace its mission of education, information, training and transmission?
How can Agriculture encourage some policies of development, through which institutions?