Under developed areas 7 Under developped areas 2 agriculture 2 Agriculture - economic aspects 1 Arms 1 Commerce 1 Cooperation 1 Developing countries 1 Economic conditions 1 Irrigation - environmental aspects 1 Land tenure 1 Marketing congresses 1 Military policy 1 Social conditions 1 Subsidies 1 Third world 1 Under developed Areas 1 Under developed areas - agicultural credit 1 Under developed areas-saving and investment 1 agency for international development - U.S. 1 agricultural land area - expansion potentials 1 agriculture - under developed areas 1 arid regions 1 rural development - agriculture - under developed areas 1 under developed areas - irrigation 1