Download or read book Semences et plants 2e d written by MACIEJEWSKI Jean and published by Lavoisier. This book was released on 2013-10-09 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

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Download or read book Resistance and Liberation written by Douglas Porch and published by Cambridge University Press. This book was released on 2024-01-31 with total page 833 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Resistance and Liberation, Douglas Porch continues his epic history of France at war. Emerging from the debâcle of 1940, France faced the quandary of how to rebuild military power, protect the empire, and resuscitate its global influence. While Charles de Gaulle rejected the armistice and launched his offshore crusade to reclaim French honor within the Allied camp, defeatists at Vichy embraced cooperation with the victorious Axis. The book charts the emerging dynamics of la France libre and the Alliance, Vichy collaboration, and the swelling resistance to the Axis occupation. From the campaigns in Tunisia and Italy to Liberation, Douglas Porch traces how de Gaulle sought to forge a French army and prevent civil war. He captures the experiences of ordinary French men and women caught up in war and defeat, the choices they made, the trials they endured, and how this has shaped France's memory of those traumatic years.

Download or read book Contributions written by and published by . This book was released on 1917 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book The Trophic Spectrum Revisited written by Colin S. Reynolds and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings of a workshop of the International Association for Phytoplankton Taxonomy and Ecology are directed specifically at the relationship between phytoplankton ecology and the trophic status of water bodies. Contributions address the fact that distinctive assemblages of phytoplankton species are closely associated with particular categories of water bodies. Particular attention is paid to how communities are assembled and to the ways in which environmental constraints filter the successful species. Overview articles are included. The book will be a valuable source of information to limnologists, algologists, and the technical staff of all water suppliers.

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Download or read book Herodotus in Context written by Rosalind Thomas and published by Cambridge University Press. This book was released on 2000 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: An examination of Herodotus' Histories in the context of the intellectual developments of his time.

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