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Viabilidade Economica Da Producao De Bovinos De Corte Em Empresas Rurais De Caracteristicas Selecionadas Na Zona Da Mata Estado De Minas Gerais
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Book Synopsis Viabilidade economica da producao de bovinos de corte, em empresas rurais de caracteristicas selecionadas, na Zona da Mata, Estado de Minas Gerais by : J. Martins
Download or read book Viabilidade economica da producao de bovinos de corte, em empresas rurais de caracteristicas selecionadas, na Zona da Mata, Estado de Minas Gerais written by J. Martins and published by . This book was released on 1971 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: A falta de conhecimento tecnico-cientifico por parte dos empresarios rurais tem se caracterizado como um dos pontos de estrangulamento do setor primario. Nao existindo uma consciencia formada, objetivando tomadas de decisoes racionais, conduzem, de modo geral, os empresarios rurais a agir com base em resultados apresentados por algumas atividades em anos promissores. Sendo assim, a pesquisa, visando orienta-los de modo a que a selecao dos empreendimentos tenha um suporte cientifico, tem se constituido num dos valiosos instrumentos a servico de uma agricultura moderna. A programacao linear, usada no seu aparecimento para controlar as ofensivas da Forca Aerea americana na Segunda Grande Guerra, vem hoje sendo utilizada pelos dirigentes e pesquisadores como um instrumento eficaz nas tomadas de suas decisoes. Dentre suas vantagens, sobressai a possibilidade de escolher uma solucao otima de um problema que apresenta mais de uma solucao possivel. Usando-se a programacao linear, procurou-se, com o presente estudo, verificar a possibilidade de producao de gado de corte em empresas rurais com caracteristicas comuns na Zona da Mata do Estado de Minas Gerais, em relacao a fruticultura, cafeicultura, pecuaria leiteira e reflorestamento. Com excecao do gado de corte, todas as atividades foram consideradas em dois niveis de tecnologia, sendo que para aquela atividade considerou-se uma situacao planejada em tres sistemas de criacao a saber: a) no pasto; b) no pasto mais silagem na epoca das secas e c) no pasto mais silagem e ...
Book Synopsis Principles for Building Resilience by : Reinette Biggs
Download or read book Principles for Building Resilience written by Reinette Biggs and published by Cambridge University Press. This book was released on 2015-04-02 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reflecting the very latest research, this book provides an in-depth review of the role of resilience in the management of social-ecological systems and the ecosystem services they provide. Leaders in the field outline seven principles for building resilience in social-ecological systems, examining how these can be applied to advance sustainability.
Book Synopsis Australian Journal of Agricultural Research by :
Download or read book Australian Journal of Agricultural Research written by and published by . This book was released on 2000 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Southern Forages by : Donald M. Ball
Download or read book Southern Forages written by Donald M. Ball and published by . This book was released on 1996 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis World Energy Outlook 2015 by : International Energy Agency
Download or read book World Energy Outlook 2015 written by International Energy Agency and published by . This book was released on 2015-11-25 with total page 700 pages. Available in PDF, EPUB and Kindle. Book excerpt: The precipitous fall in oil prices, continued geopolitical instability and the ongoing global climate negotiations are witness to the dynamic nature of energy markets. In a time of so much uncertainty, understanding the implications of the shifting energy landscape for economic and environmental goals and for energy security is vital. The World Energy Outlook 2015 (WEO-2015) will present updated projections for the evolution of the global energy system to 2040, based on the latest data and market developments, as well as detailed insights on the prospects for fossil fuels, renewables, the power sector and energy efficiency and analysis on trends in CO2 emissions and fossil-fuel and renewable energy subsidies.
Book Synopsis Animal Suffering by : Marian Dawkins
Download or read book Animal Suffering written by Marian Dawkins and published by Springer. This book was released on 1980-11-20 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: I wrote this book because I believe that the welfare of animals is a very important subject but one about which there is a of confusion and muddled thinking. I wanted to great deal write a book which straightened out some of the confusion by looking in detail at one particular problem: how to recognize animal suffering. The book is written for anyone interested in animals and the controversies over how human beings should treat them. I have tried to convince people who might otherwise feel that science had only a rather sinister connection with animal welfare that the scientific study of animal suffering has, in fact, a major and positive contribution to make. It can give us an insight into what animals experience and this, in tum, may help us to alleviate their suffering. At the same time, I have tried to write a book that will be of at least some use to scientists. The chapters which follow pro vide an outline of the biological approach to animal welfare. I have also attempted to show sceptics that it is possible to study animal suffering without sacrificing standards of scien tific procedure. Perhaps some may even come to share my belief that the study of the subjective experiences of animals is one of the most fascinating areas in the whole of biology, as well as being of great practical and ethical importance.
Book Synopsis Voices of the World by : Boaventura De Sousa Santos
Download or read book Voices of the World written by Boaventura De Sousa Santos and published by Verso. This book was released on 2010-07-26 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: "In the 1980s Margaret Thatcher declared `There is no alternative.' At the beginning of the 21st century the World Social Forum replied, `Another World is Possible.' The project, Reinventing Social Emancipation, is a passionate and wide-ranging effort at enriching our vision of that other world. Erik Olin Wright University of Wisconsin --
Book Synopsis Renewable Energy Sources and Climate Change Mitigation by : Ottmar Edenhofer
Download or read book Renewable Energy Sources and Climate Change Mitigation written by Ottmar Edenhofer and published by Cambridge University Press. This book was released on 2011-11-21 with total page 1088 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Intergovernmental Panel on Climate Change Special Report (IPCC-SRREN) assesses the potential role of renewable energy in the mitigation of climate change. It covers the six most important renewable energy sources - bioenergy, solar, geothermal, hydropower, ocean and wind energy - as well as their integration into present and future energy systems. It considers the environmental and social consequences associated with the deployment of these technologies, and presents strategies to overcome technical as well as non-technical obstacles to their application and diffusion. SRREN brings a broad spectrum of technology-specific experts together with scientists studying energy systems as a whole. Prepared following strict IPCC procedures, it presents an impartial assessment of the current state of knowledge: it is policy relevant but not policy prescriptive. SRREN is an invaluable assessment of the potential role of renewable energy for the mitigation of climate change for policymakers, the private sector, and academic researchers.
Book Synopsis Annals of Tropical Medicine and Parasitology by :
Download or read book Annals of Tropical Medicine and Parasitology written by and published by . This book was released on 1907 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Liverpool School of Tropical Medicine. Scientific record; compiled by Dorothy Allmand" (a history of the school and of its activities): v. 15, 1921, p. [1]-47.
Book Synopsis Southern Forages by : Donald M. Ball
Download or read book Southern Forages written by Donald M. Ball and published by . This book was released on 2007-01 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book Southern Forages has since gained wide recognition as a practical and reliable source of information on modern forage crop management. It is used by livestock producers, by seed, equipment and fertilizer dealers, by extension and conservation workers, and by teachers as a text for students learning about forages.
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 Solar Energy Perspectives by : Cédric Philibert
Download or read book Solar Energy Perspectives written by Cédric Philibert and published by OECD. This book was released on 2011 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 90 minutes, enough sunlight strikes the earth to provide the entire planet's energy needs for one year. While solar energy is abundant, it represents a tiny fraction of the world's current energy mix. But this is changing rapidly and is being driven by global action to improve energy access and supply security, and to mitigate climate change. Around the world, countries and companies are investing in solar generation capacity on an unprecedented scale, and, as a consequence, costs continue to fall and technologies improve. This publication gives an authoritative view of these technologies and market trends, in both advanced and developing economies, while providing examples of the best and most advanced practices. It also provides a unique guide for policy makers, industry representatives and concerned stakeholders on how best to use, combine and successfully promote the major categories of solar energy: solar heating and cooling, photovoltaic and solar thermal electricity, as well as solar fuels. Finally, in analysing the likely evolution of electricity and energy-consuming sectors - buildings, industry and transport - it explores the leading role solar energy could play in the long-term future of our energy system.
Book Synopsis Key World Energy Statistics by : Agencia Internacional de la Energía
Download or read book Key World Energy Statistics written by Agencia Internacional de la Energía and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biological Systematics by : Randall T. Schuh
Download or read book Biological Systematics written by Randall T. Schuh and published by Cornell University Press. This book was released on 2011-04-15 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biological Systematics: Principles and Applications draws equally from examples in botany and zoology to provide a modern account of cladistic principles and techniques. It is a core systematics textbook with a focus on parsimony-based approaches for students and biologists interested in systematics and comparative biology. Randall T. Schuh and Andrew V. Z. Brower cover: -the history and philosophy of systematics and nomenclature; -the mechanics and methods of analysis and evaluation of results; -the practical applications of results and wider relevance within biological classification, biogeography, adaptation and coevolution, biodiversity, and conservation; and -software applications. This new and thoroughly revised edition reflects the exponential growth in the use of DNA sequence data in systematics. New data techniques and a notable increase in the number of examples from molecular systematics will be of interest to students increasingly involved in molecular and genetic work.
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.
Book Synopsis The Cerrados of Brazil by : Paulo S.
Download or read book The Cerrados of Brazil written by Paulo S. and published by Columbia University Press. This book was released on 2013-02-05 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: The massive grasslands of Brazil -- known as the cerrados -- which cover roughly a quarter of its land surface and are among the most threatened regions in South America, have received little media attention. This book brings together leading researchers on the area to produce the first detailed account in English of the natural history and ecology of the cerrado/savanna ecosystem. Given their extent and threatened status, the richness of their flora and fauna, and the lack of familiarity with their unique ecology at the international level, the cerrados are badly in need of this important and timely work.
