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Alteracoes Na Biomassa Microbiana Do Solo Em Cultivos De Mandioca Sob Diferentes Coberturas Vegetais
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Book Synopsis Alterações na biomassa microbiana do solo em cultivos de mandioca sob diferentes coberturas vegetais by : Fábio Martins Mercante
Download or read book Alterações na biomassa microbiana do solo em cultivos de mandioca sob diferentes coberturas vegetais written by Fábio Martins Mercante and published by . This book was released on with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: O presente estudo teve como objetivo avaliar o efeito do cultivo da mandioca em plantio direto sob diferentes coberturas vegetais na biomassa microbiana do solo e índices derivados. Tais parâmetros foram avaliados também em sistema sob preparo convencional (araçào e gradagem) e sistema natural (mata nativa), para comparação. Os estudos foram conduzidos no Município de Glória de Dourados, ms, num argissolo Vermekho distrófico, de textura arenosa. O carbono da biomassa microbiana (C microbiano) foi determinado pelo método da fumigação-extração e a atividade microbiana foi avaliada pelo método da respirometria (evolução de CO2). Avaliaram-se, ainda, os quocientes metabólico e microbiano, além de akguns atributos relacionados à física e química do solo. De modo geral, a biomassa microbina do solo mostrou-se mais favorecida nos sistemas sob cobertura de res'duos do que no sistema convencional de preparo do solo, refletindo em valores mais elevados do quociente microbiano, expresso pela relação c microbiano/C orgânico total (C mic/C org).
Book Synopsis Alterações na biomassa microbiana do solo em cultivos de mandioca sob diferentes coberaturas vegetais by :
Download or read book Alterações na biomassa microbiana do solo em cultivos de mandioca sob diferentes coberaturas vegetais written by and published by . This book was released on 2004 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Macrofauna invertebrada do solo em cultivos de mandioca com diferentes coberturas vegetais by : Fábio Martins Mercante
Download or read book Macrofauna invertebrada do solo em cultivos de mandioca com diferentes coberturas vegetais written by Fábio Martins Mercante and published by . This book was released on 2004 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: O presente estudo teve como objetivo avaliar o efeito do cultivo da mandioca em plantio direto sob diferentes coberturas vegetais na densidade e diversidade da macrofauna edáfica. Tais parâmetros foram avaliados também em sistema sob preparo convencional (aração e gradagem) e sistema natural (mata nativa), para comparação. Os estudos foram conduzidos no Município de Glória de Dourados, MS, num Argissolo Vermelho distrófico, de textura arenosa.
Book Synopsis Biomassa microbiana e constituintes lábeis da matéria orgânica do solo sob diferentes sistemas de manejo e cobertura vegetal by : D. C. Loureiro
Download or read book Biomassa microbiana e constituintes lábeis da matéria orgânica do solo sob diferentes sistemas de manejo e cobertura vegetal written by D. C. Loureiro and published by . This book was released on 2008 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agrotrópica written by and published by . This book was released on 2017 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ecology of Trees in the Tropical Rain Forest by : I. M. Turner
Download or read book The Ecology of Trees in the Tropical Rain Forest written by I. M. Turner and published by Cambridge University Press. This book was released on 2001-07-05 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt: Our knowledge of the ecology of tropical rain-forest trees is limited, yet a good understanding of the trees is essential to unravelling the workings of the forest itself. This book aims to summarise contemporary understanding of the ecology of tropical rain-forest trees, with particular emphasis on comparative ecology.
Download or read book MetaWin written by Michael S. Rosenberg and published by . This book was released on 1997 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Physiology of Vegetable Crops, 2nd Edition by : Hans Christian Wien
Download or read book The Physiology of Vegetable Crops, 2nd Edition written by Hans Christian Wien and published by CABI. This book was released on 2020-05-01 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: Completely updated and revised, this bestselling book continues to explain the growth and developmental processes involved in the formation of vegetables. Since the publication of the successful first edition significant discoveries, particularly in the area of molecular biology, have deepened and broadened our knowledge and understanding of these processes. This new edition brings the topic up-to-date and is presented over two sections: the first provides general knowledge on germination, transplanting, flowering, the effects of stress and modelling, whilst the second section details the physiology of specific crops or crop groups.
Book Synopsis Meta Win 2.0 by : Michael S. Rosenberg
Download or read book Meta Win 2.0 written by Michael S. Rosenberg and published by Sinauer Associates Incorporated. This book was released on 1999-10-01 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: MetaWin, first published in 1997, allows the user to easily carry out all common meta-analysis calculations on multiple independent studies from a wide variety of disciplines, including medicine, ecology, and the social sciences. Version 2.0 allows users to calculate any of six different effect sizes (vs. two, as in Version 1.0) from their data, and includes its own spreadsheet editor and statistical calculator. The analysis routine is greatly expanded, and graphics (e.g., funnel plots, histograms, etc.) have been added.
Download or read book Ciência e cultura written by and published by . This book was released on 2007 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :American Society of Civil Engineers. Technical Committee on Irrigation Water Requirements Publisher : ISBN 13 : Total Pages :236 pages Book Rating :4.3/5 (91 download)
Book Synopsis Consumptive Use of Water and Irrigation Water Requirements by : American Society of Civil Engineers. Technical Committee on Irrigation Water Requirements
Download or read book Consumptive Use of Water and Irrigation Water Requirements written by American Society of Civil Engineers. Technical Committee on Irrigation Water Requirements and published by . This book was released on 1973 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Alley Farming written by B. T. Kang and published by IITA. This book was released on 1999 with total page 121 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Tropical Agriculturalist is a series of practical field guides and textbooks for: producers, farmers and farm managers, agricultural extension officers agricultural diploma, degree and vocational students, teachers and lecturers, senior secondary students, as reference books, adult education, rural and community development programmes.
Book Synopsis Managing Biodiversity in Agricultural Ecosystems by : Devra Ivy Jarvis
Download or read book Managing Biodiversity in Agricultural Ecosystems written by Devra Ivy Jarvis and published by Columbia University Press. This book was released on 2007 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: Describes how farmers manage, maintain, and benefit from biodiversity in agricultural production systems. Includes the most recent research and developments in the maintenance of local diversity at the genetic, species, and ecosystem levels.
Book Synopsis International Trade Statistics 2009 by : World Trade Organization
Download or read book International Trade Statistics 2009 written by World Trade Organization and published by . This book was released on 2009-11 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication provides comprehensive, comparable, and up-to-date statistics on trade in merchandise and commercial services for an assessment of world trade flows by country, region, main product groups, and service categories. Additionally, 240 tables and charts depict trade developments from various perspectives and provide a number of long-term time series.
Book Synopsis Teaching as a Subversive Activity by : Neil Postman
Download or read book Teaching as a Subversive Activity written by Neil Postman and published by Laurel. This book was released on 1987 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
