[Actual situation and prospects of agriculture under the political and social conditions of the nineties]

agricultural resources agricultural situation alemania allemagne besoin en main d'oeuvre comunidades europeas coyuntura agraria demanda de trabajo european communities exploitation agricole explotaciones agrarias farmland farms germany labour requirements main d'oeuvre mano de obra manpower marche market economies markets mercados recursos agrarios ressource agricole situation agricole terre agricole