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Produire des semences et des plants certifiés, c’est concourir au progrès agricole que permet l’évolution constante de la génétique et de ses applications. Cinquante pour cent de la productivité des principales productions agricoles lui sont redevables. Cependant, la législation actuelle fait débat : en effet, elle tend à se durcir afin d’apporter des garanties pour l'utilisateur sur la qualité germinative, la pureté spécifique, la pureté variétale, l'état sanitaire, et à encadrer la production des semences commerciales. Cette nouvelle édition de Semences et plants a pour vocation de faire un point sur l’état actuel de la production de semences et de plants certifiés au vu des récentes évolutions de la réglementation. Les bases scientifiques et les données techniques inhérentes à cette production sont largement développées. Documenté et complet, cet ouvrage s’adresse aux étudiants et aux formateurs de l’enseignement agricole, aux agents du développement agricole et aux agriculteurs – qu’ils soient multiplicateurs ou usagers – qui y trouveront les connaissances techniques et économiques qui leur sont indispensables.
Lavishly illustrated with exotic images ranging from Renoir's forgotten Algerian oeuvre to the abstract vision of Matisse's Morocco and beyond, this book is the first history of Orientalist art during the period of high modernism. Roger Benjamin, drawing on a decade of research in untapped archives, introduces many unfamiliar paintings, posters, miniatures, and panoramas and discovers an art movement closely bound to French colonial expansion. Orientalist Aesthetics approaches the visual culture of exoticism by ranging across the decorative arts, colonial museums, traveling scholarships, and art criticism in the Salons of Paris and Algiers. Benjamin's rediscovery of the important Society of French Orientalist Painters provides a critical context for understanding a lush body of work, including that of indigenous Algerian artists never before discussed in English. The painter-critic Eugène Fromentin tackled the unfamiliar atmospheric conditions of the desert, Etienne Dinet sought a more truthful mode of ethnographic painting by converting to Islam, and Mohammed Racim melded the Persian miniature with Western perspective. Benjamin considers armchair Orientalists concocting dreams from studio bric-à-brac, naturalists who spent years living in the oases of the Sahara, and Fauve and Cubist travelers who transposed the discoveries of the Parisian Salons to create decors of indigenous figures and tropical plants. The network that linked these artists with writers and museum curators was influenced by a complex web of tourism, rapid travel across the Mediterranean, and the march of modernity into a colonized culture. Orientalist Aesthetics shows how colonial policy affected aesthetics, how Europeans visualized cultural difference, and how indigenous artists in turn manipulated Western visual languages.
'Einstein's Generation' offers a new approach to the origins of modern physics by exploring both the material culture that stimulated relativity and the reaction of Einstein's colleagues to his pioneering work.