[Food production and sustainable agriculture with a short overview over the agricultural areas and crops of the world. Lectures in the course sustainable agriculture]

agricultural situation conduite de la culture coyuntura agraria crop management crops cultivos food production food security food supply gestion des ressources land use manejo del cultivo monde mundo natural resources plante de culture production alimentaire recursos naturales resource management ressource naturelle seguridad alimentaria situation agricole sostenibilidad suministro de alimentos sustainability teaching materials utilisation des terres world