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Resposta De Cultivares E Linhagens Elites De Arroz De Terras Altas Ao Defice Hidrico
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Book Synopsis Resposta de cultivares e linhagens elites de arroz de terras altas ao défice hídrico by : Cleber Morais Guimarães Guimarães
Download or read book Resposta de cultivares e linhagens elites de arroz de terras altas ao défice hídrico written by Cleber Morais Guimarães Guimarães and published by . This book was released on 2007 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: O objetivo do trabalho foi avaliar a resistência à seca de cultivares e linhagens elites de arroz de terras altas.
Book Synopsis Drought Frontiers In Rice: Crop Improvement For Increased Rainfed Production by : Rachid Serraj
Download or read book Drought Frontiers In Rice: Crop Improvement For Increased Rainfed Production written by Rachid Serraj and published by World Scientific. This book was released on 2009-07-15 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: The success of the Green Revolution in closing the gap between world population and food production was principally achieved by increasing crop productivity in favorable areas. However, this success has been limited in the rainfed systems, which are prone to frequent droughts and other abiotic stresses. Worldwide, drought affects approximately 23 million hectares of rainfed rice. Varieties combining improved drought resistance with high yield under favorable conditions and quality characteristics preferred by farmers are the most promising and deliverable technologies for alleviating poverty in communities dependent on rainfed rice production.This book describes some of the recent advances in the genetics and physiology of drought resistant rice varieties and the integration of highly efficient breeding and genetic analysis techniques with functional genomics. Harnessing recent scientific breakthroughs, Drought Frontiers Project (seeds.irri.org/drought) is launched as a major assault on the problem of improving drought resistance in rice. Featuring contributions from leading international experts, case studies are discussed to present perspectives on the various multidisciplinary facets of drought resistance in rice, along with the involvement of natural resource management practices and the socioeconomic implications that entail. Readers will be better informed of this highly relevant and complex topic of improving rice drought resistance in a global environment characterized by increased water scarcity./a
Book Synopsis UNESCO General History of Africa, Vol. I, Abridged Edition by : Jacqueline Ki-Zerbo
Download or read book UNESCO General History of Africa, Vol. I, Abridged Edition written by Jacqueline Ki-Zerbo and published by Univ of California Press. This book was released on 1990 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This volume covers the period from the end of the Neolithic era to the beginning of the seventh century of our era. This lengthy period includes the civilization of Ancient Egypt, the history of Nubia, Ethiopia, North Africa and the Sahara, as well as of the other regions of the continent and its islands."--Publisher's description
Author :Harvard University. Center for International Affairs Publisher :Africana Pub. ISBN 13 : Total Pages :360 pages Book Rating :4.3/5 (91 download)
Book Synopsis East Africa and the Orient by : Harvard University. Center for International Affairs
Download or read book East Africa and the Orient written by Harvard University. Center for International Affairs and published by Africana Pub.. This book was released on 1975 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is now apparent that East Africa cannot be viewed in isolation if its early history is to be adequately understood. Arabic, Indian, and Chinese influences have been discovered in the East African cultures, and evidence has shown that from about 100 B.C. the coastal fringe of eastern Africa was economically and culturally an integral part of the Indian Ocean basin. The available evidence relating to these early con-tacts is so scattered, however, that historians and archaeologists must rely on the findings of numerous related disciplines. The contributors to this volume make ingenious use of anthropological, geographical, ethnographical, zoological, linguistic, numismatic, and musicol-ogical evidence as they develop new historio-graphical techniques to open this challenging area of inquiry. Among them are the leading specialists in their respective fields: H Neville Chittick, Vinigi Grottanelli, Paul Wheatley, J S Trimingbam, Gervase Mathew, Pierre Wrin, Aldan Southall, Merrick Posnansky, James Kirkman, and Michael Gwynne. The topics in-vestigated include: the peopling of the East African coast, Chinese knowledge of East Africa, the Arab geographers, the problem of Malagasy origins, connections between the lacustrine peoples and the coast, and the origin and spread of various domestic food plants. Although there remain as many questions as answers, this volume serves as a vital summa-tion of our current knowledge and points the way toward further fruitful research in African history.
Author :Food and Agriculture Organization of the United Nations. Soil Resources, Management, and Conservation Service Publisher :Food & Agriculture Org. ISBN 13 :9789251038901 Total Pages :92 pages Book Rating :4.0/5 (389 download)
Book Synopsis Agro-ecological Zoning by : Food and Agriculture Organization of the United Nations. Soil Resources, Management, and Conservation Service
Download or read book Agro-ecological Zoning written by Food and Agriculture Organization of the United Nations. Soil Resources, Management, and Conservation Service and published by Food & Agriculture Org.. This book was released on 1996 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Short History of Africa written by and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes text, vocabulary lists, and comprehension questions designed to acquaint students with the history of Africa.
Book Synopsis Agroecosystem Sustainability by : Stephen R. Gliessman
Download or read book Agroecosystem Sustainability written by Stephen R. Gliessman and published by CRC Press. This book was released on 2000-09-25 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agroecologists from around the world share their experiences in the analysis and development of indicators of agricultural sustainability in Agroecosystem Sustainability: Developing Practical Strategies. The authors build on the resource-conserving aspects of traditional, local, and small-scale agriculture while at the same time drawing on modern e
Download or read book Audible Empire written by Ronald Radano and published by Duke University Press Books. This book was released on 2016-01-25 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Audible Empire rethinks the processes and mechanisms of empire and shows how musical practice has been crucial to its spread around the globe. Music is a means of comprehending empire as an audible formation, and the contributors highlight how it has been circulated, consumed, and understood through imperial logics. These fifteen interdisciplinary essays cover large swaths of genre, time, politics, and geography, and include topics such as the affective relationship between jazz and cigarettes in interwar China; the sonic landscape of the U.S.– Mexico border; the critiques of post-9/11 U.S. empire by desi rappers; and the role of tonality in the colonization of Africa. Whether focusing on Argentine tango, theorizing anticolonialist sound, or examining the music industry of postapartheid South Africa, the contributors show how the audible has been a central component in the creation of imperialist notions of reason, modernity, and culture. In doing so, they allow us to hear how empire is both made and challenged. Contributors: Kofi Agawu, Philip V. Bohlman. Michael Denning, Brent Hayes Edwards, Nan Enstad, Andrew Jones, Josh Kun, Morgan Luker, Jairo Moreno, Tejumola Olaniyan, Marc Perry, Ronald Radano, Nitasha Sharma, Micol Seigel, Gavin Steingo, Penny Von Eschen, Amanda Weidman.
Book Synopsis Postcolonial Migrants and Identity Politics by : Ulbe Bosma
Download or read book Postcolonial Migrants and Identity Politics written by Ulbe Bosma and published by Berghahn Books. This book was released on 2012-05-01 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: These transfers of sovereignty resulted in extensive, unforeseen movements of citizens and subjects to their former countries. The phenomenon of postcolonial migration affected not only European nations, but also the United States, Japan and post-Soviet Russia. The political and societal reactions to the unexpected and often unwelcome migrants was significant to postcolonial migrants’ identity politics and how these influenced metropolitan debates about citizenship, national identity and colonial history. The contributors explore the historical background and contemporary significance of these migrations and discuss the ethnic and class composition and the patterns of integration of the migrant population.
Book Synopsis Vegetation of the Earth and Ecological Systems of the Geo-biosphere by : Heinrich Walter
Download or read book Vegetation of the Earth and Ecological Systems of the Geo-biosphere written by Heinrich Walter and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phytomass and Primary Production of the Various Vegetational Zones and of the Entire Biosphere The biosphere is that thin layer at the earth's surface in which living organisms exist and biological cycling takes place. It includes the upper horizons of the soil in which plants root, the atmosphere near the ground, (insofar as organisms penetrate this space), and all the surface waters. More than 99% of the earth's biomass is phytomass, to which we shall limit our discussion. Amounts of phytomass are distinctly related to vegeta tional zones. Because accurate determination of phytomass and primary production is difficult, only gross estimates have been available until recently. However, in 1970, Bazilevich et al. published (in Russian) more accurate calculations, based on the rapidly accumulating literature, for the various thermal zones and bioclimatic regions of the earth. These authors calculated mean phyto mass and mean annual primary production for the various regions as dry mass (in tons) per hectare. On the basis of measurements of the areas covered by the individual regions, excluding rivers, lakes, glaciers, and permanent snow, total phytomass and total annual primary production for the various regions were obtained (see table). The sum of these figures is the phytomass and annual production of the land surface of the earth. In addition, the table gives corresponding data for the waters of the earth. The values involved are potential i. e. , they are based on natural vegetation uninfluenced by man.
Book Synopsis Climate Dynamics of the Tropics by : S. Hastenrath
Download or read book Climate Dynamics of the Tropics written by S. Hastenrath and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first edition of my book "Climate and Circulation of the Tropics" was reasonably up to date to the middle of 1985. In a second printing in 1988 it was possible to complete a few literature references and to correct some misprints. However, vigorous research has taken place over the past five years in various areas of tropical climate dynamics, especially in the atmosphere-ocean mechanisms of climate anomalies, climate prediction, ocean circulation, and paleoclimates. Promising progress has also been made in the application of general circulation modelling to tropical climate problems. In the present second edition, named "Climate Dynamics of the Tropics", I have attempted to incorporate much of the recent work to late 1990. Chapters 8 and 9 have been essentially re-written, and major additions have been made to Chapters 4 and 12 in particular. I would like to acknowledge the continued support by the U.S. National Science Foundation over the past five years. B. Parthasarathy, Poona, and H. Lessmann, San Salvador, sent me updates of data series not easily accessible. I have benefitted from discussions with numerous colleagues in the United States and overseas. In the preparation of this second edition, Marilyn Wolff patiently transferred my illegible hand-written drafts onto word processor. Dierk Polzin and Dan Skemp assisted me with the creation of the page masters and the subject index and Christopher Collimore with the author index.
Book Synopsis The Age of Gunpowder Empires, 1450-1800 by : William Hardy McNeill
Download or read book The Age of Gunpowder Empires, 1450-1800 written by William Hardy McNeill and published by . This book was released on 1989 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Atlantic Slave Trade by : Joseph E. Inikori
Download or read book The Atlantic Slave Trade written by Joseph E. Inikori and published by Duke University Press. This book was released on 1992-04-30 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: Debates over the economic, social, and political meaning of slavery and the slave trade have persisted for over two hundred years. The Atlantic Slave Trade brings clarity and critical insight to the subject. In fourteen essays, leading scholars consider the nature and impact of the transatlantic slave trade and assess its meaning for the people transported and for those who owned them. Among the questions these essays address are: the social cost to Africa of this forced migration; the role of slavery in the economic development of Europe and the United States; the short-term and long-term effects of the slave trade on black mortality, health, and life in the New World; and the racial and cultural consequences of the abolition of slavery. Some of these essays originally appeared in recent issues of Social Science History; the editors have added new material, along with an introduction placing each essay in the context of current debates. Based on extensive archival research and detailed historical examination, this collection constitutes an important contribution to the study of an issue of enduring significance. It is sure to become a standard reference on the Atlantic slave trade for years to come. Contributors. Ralph A. Austen, Ronald Bailey, William Darity, Jr., Seymour Drescher, Stanley L. Engerman, David Barry Gaspar, Clarence Grim, Brian Higgins, Jan S. Hogendorn, Joseph E. Inikori, Kenneth Kiple, Martin A. Klein, Paul E. Lovejoy, Patrick Manning, Joseph C. Miller, Johannes Postma, Woodruff Smith, Thomas Wilson
Book Synopsis European Warfare, 1453-1815 by : Jeremy Black
Download or read book European Warfare, 1453-1815 written by Jeremy Black and published by Palgrave Macmillan. This book was released on 1999 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new book provides an excellent resource on the nature of European warfare from the outbreak of the Valois-Habsburg wars to the end of the Napoleonic Wars.
Book Synopsis Economic Growth and the Ending of the Transatlantic Slave Trade by : David Eltis
Download or read book Economic Growth and the Ending of the Transatlantic Slave Trade written by David Eltis and published by New York, N.Y. : Oxford University Press. This book was released on 1987 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first study to consider the consequences of Britain's abolition of the Atlantic slave trade for British imperial expansion and the world economy.
Book Synopsis The Dutch in the Atlantic Slave Trade, 1600-1815 by : Johannes M. Postma
Download or read book The Dutch in the Atlantic Slave Trade, 1600-1815 written by Johannes M. Postma and published by Cambridge University Press. This book was released on 2008-01-03 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presenting a thorough analysis of the Dutch participation in the transatlantic slave trade, this book is based upon extensive research in Dutch archives. The book examines the whole range of Dutch involvement in the Atlantic slave trade from the beginning of the 1600s to the nineteenth century.
Book Synopsis Fire and Plants by : William J. Bond
Download or read book Fire and Plants written by William J. Bond and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 275 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large regions of the world are regularly burnt either deliberately or naturally. However, despite the widespread occurrence of such fire-prone ecosystems, and considerable body of research on plant population biology in relation to fire, until now there have only been limited attempts at a coherent conceptual synthesis of the field for use by students or researchers.
