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margareth sekera

Showing 1 - 12 of 12 results for “margareth sekera
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  • Healthy Soils, Sick Soils

    Understanding the Nature of Humus and How It Functions in Farming Systems

    Now available in English for the first time, this popular 1943 treatise on biology and biologically correct working of soil from the pen of the famous soil scientist Prof. Dr. Franz Sekera, carefully edited and expanded by his wife, scientist Margareth Sekera, over the years, has long been beloved by farmers and soils scientists in its original German. Starting with the basic concepts of “tilth” ... Read more

    $9.99 USD

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  • Teaming with Nutrients

    The Organic Gardener's Guide to Optimizing Plant Nutrition

    “Gets deep into the weeds, so to speak, of the microscopic architecture of plants and the biochemical processes at play.” —Washington PostMost gardeners realize that plants need to be fed, but many of us know little about the nature of the science involved. In Teaming with Nutrients, Jeff Lowenfels explains the basics of plant nutrition from an organic gardener’s perspective. In his trademark down ... Read more

    $11.99 USD

  • The Princeton Guide to Ecology

    The Princeton Guide to Ecology is a concise, authoritative one-volume reference to the field's major subjects and key concepts. Edited by eminent ecologist Simon Levin, with contributions from an international team of leading ecologists, the book contains more than ninety clear, accurate, and up-to-date articles on the most important topics within seven major areas: autecology, population ecology, ... Read more

    $53.99 USD

  • Wetland Ecology

    Principles and Conservation

    by Paul A. Keddy ...
    Richly illustrated and packed with numerous examples, this unique global perspective introduces wetland ecology from basic principles to advanced applications. Thoroughly revised and reorganised, this new edition of this prize-winning textbook begins with underlying causal factors, before moving on to more advanced concepts that add depth and context. Each chapter begins with an explanation of the ... Read more

    $64.99 USD

  • Multivariate Analysis of Ecological Data using CANOCO 5

    This revised and updated edition focuses on constrained ordination (RDA, CCA), variation partitioning and the use of permutation tests of statistical hypotheses about multivariate data. Both classification and modern regression methods (GLM, GAM, loess) are reviewed and species functional traits and spatial structures analysed. Nine case studies of varying difficulty help to illustrate the ... Read more

    $75.99 USD

  • The Fertile Earth – Nature's Energies in Agriculture, Soil Fertilisation and Forestry

    Volume 3 of Renowned Environmentalist Viktor Schauberger's Eco-Technology Series

    Translated by Callum Coats ...
    How does nature work? When one looks closely at the enormously complex web of life, it is impossible not to be caught by the wonder of how all living things – including rocks and crystals – are interconnected. Just as there is thought behind action, so there is energy behind matter. The Fertile Earth, the third volume of the Eco-Technology series which presents the original, passionate and ... Read more

    $10.99 USD or Free with Kobo Plus

  • Soils

    Genesis and Geomorphology

    In its first edition, Soils established itself as the leading textbook in the fields of pedology and soil geomorphology. Expanded and fully updated, this second edition maintains its highly organized and readable style. Suitable as a textbook and a research-grade reference, the book's introductory chapters in soil morphology, mineralogy, chemistry, physics and organisms prepare the reader for the ... Read more

    $90.99 USD

  • Me and the Biospheres

    A Memoir by the Inventor of Biosphere 2

    by John Allen ...
    2009 Winner of the Benjamin Franklin Award for Best Biography/Memoir, Me and the Biospheres is the definitive autobiography of John P. Allen, inventor of the largest laboratory for global ecology ever built and one of the most luminous minds of our time. Contained within a magnificently designed air-tight glass-and-steel-framed setting, Biosphere 2 covered three acres of Arizona desert and ... Read more

    $11.99 USD

  • Light and Photosynthesis in Aquatic Ecosystems

    Beginning systematically with the fundamentals, the fully-updated third edition of this popular graduate textbook provides an understanding of all the essential elements of marine optics. It explains the key role of light as a major factor in determining the operation and biological composition of aquatic ecosystems, and its scope ranges from the physics of light transmission within water, through ... Read more

    $82.99 USD

  • A Less Green and Pleasant Land

    Our Threatened Wildlife

    Disentangling the facts from the hype, this 'Domesday book' of the British and Irish countryside offers a definitive and up-to-date survey of the state of our wildlife today. Norman Maclean, editor of the bestselling Silent Summer, examines the latest findings of Britain and Ireland's top wildlife experts and interprets them for a wider audience. Each chapter provides reliable estimates of animal ... Read more

    $28.99 USD

  • Field Guide to Invasive Plants and Animals in Britain

    Series series Bloomsbury Naturalist
    This field guide will enable the identification of a range of invasive plants and animals now found in Britain.The impact of invasive organisms is second only to habitat loss as a threat to biodiversity and yet, despite increasing ecological awareness, people remain largely unaware of these plants and animals and their potentially devastating impact. Although most biological introductions fail, ... Read more

    $46.99 USD

  • Terrestrial Ecosystem Ecology

    Principles and Applications

    Human activities impact the environment and modify the cycles of important elements such as carbon and nitrogen from local to global scales. In order to maintain long-term and sustainable use of the world's natural resources it is important that we understand how and why ecosystems respond to such changes. This book explains the structure and functioning of terrestrial ecosystems, using examples ... Read more

    $60.99 USD