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1 - 12 de 26 resultados para “b a stewart”
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  • Climate Change and Global Food Security

    Edición de Rattan Lal, Norman Uphoff, B.A. Stewart, David O. Hansen ...
    In order to feed their burgeoning populations, developing nations will need to double cereal production by the year 2050. This increase will have to come from existing land, as little potential exists for bringing new land under cultivation -- a daunting prospect when one realizes that increased use and significantly higher concentrations of carbon ... Leer más

    $98.99 USD

  • Soil Classification

    A Global Desk Reference

    Edición de Hari Eswaran, Robert Ahrens, Thomas J. Rice, B.A. Stewart ...
    Developments in soil classification have accompanied parallel progress in our understanding of the soil system. However the theories behind the classifications and the purposes for which they were created have changed over time. The editors hope that this comprehensive synthesis will help to rally soil scientists around the world to develop an acce ... Leer más

    $73.99 USD

  • Assessment Methods for Soil Carbon

    Edición de John M. Kimble, Ronald F. Follett, B.A. Stewart ...
    Since carbon sequestration in soils reduces the amount of carbon available to the atmosphere, the Kyoto Protocols have heightened interest in soil carbon pools and their effect on carbon fluxes. Assessment Methods for Soil Carbon addresses many of the questions related to the measurement, monitoring, and verification of organic and inorganic carbon ... Leer más

    $98.99 USD

  • Climate Change and Terrestrial Carbon Sequestration in Central Asia

    Edición de Rattan Lal, M. Suleimenov, B.A. Stewart, D.O. Hansen, Paul Doraiswamy ...
    This book brings together current knowledge of terrestrial C sequestration in Central Asia. The themes treated include: biophysical environments, water resources, sustainable agriculture, soil degradation, the effects of irrigation schemes on secondary salinization, soil management and its relationship to carbon dynamics; the relationship between f ... Leer más

    $98.99 USD

  • Food Security and Soil Quality

    Edición de Rattan Lal, B.A. Stewart ...
    Series series Advances in Soil Science
    Just five years ago, it was generally believed that the number of food insecure people in the world was on continuous decline. Unfortunately, widespread soil degradation along with resistance to recommended agronomic practices, and little attempt to restore degraded soils have conspired with significant droughts (in regions that could least tolerat ... Leer más

    $91.99 USD

  • Soil Quality and Biofuel Production

    Edición de Rattan Lal, B.A. Stewart ...
    Series series Advances in Soil Science
    From its humble beginning in the late 19th century?when Henry Ford’s first car was designed to run on ethanol?biofuel production has been on the rise with more than 26 billion liters produced in the U.S. in 2007. Ethanol made from biomass (rather than grains) holds great promise, including numerous economic and environmental benefits. However, the adverse interactions of energy, climate, food, and ... Leer más

    $110.99 USD

  • Structure and Organic Matter Storage in Agricultural Soils

    de M.R. Carter, B.A. Stewart ...
    Series series Advances in Soil Science
    Soils comprise the largest pool of terrestrial carbon and therefore are an important component of carbon storage in the biosphere-atmosphere system. Structure and Organic Matter Storage in Agricultural Soils explores the mechanisms and processes involved in the storage and sequestration of carbon in soils. Focusing on agricultural soils - from tropical to semi-arid types - this new book provides ... Leer más

    $91.99 USD

  • Soil Processes and Water Quality

    de B.A. Stewart ...
    Agrochemicals and agricultural practices have a tremendous impact on environmental quality, particularly their role in water quality degradation. Soil Processes and Water Quality examines principles and practices that minimize the risks of water pollution while enhancing agricultural intensification and productivity. It focuses on how agricultural practices-such as tillage methods, use of ... Leer más

    $94.99 USD

  • Methods for Assessment of Soil Degradation

    de Rattan Lal, Winfried E. H. Blum, C. Valentin, B.A. Stewart ...
    Series series Advances in Soil Science
    Soil degradation has serious global impacts on agronomic, economic, and sociopolitical conditions, however, statistics regarding the degree of these impacts has been largely unreliable. This book aims to standardize the methodology for obtaining reliable and objective data on soil degradation. It will also identify and develop criteria for assessing the severity of soil degradation, providing a ... Leer más

    $91.99 USD

  • Interacting Processes in Soil Science

    de R.J. Wagenet, Philippe Baveye, B.A. Stewart ...
    Series series Advances in Soil Science
    Interacting Processes in Soil Science focuses on coupled processes in soil. Topics covered in this important volume include the effects of inorganic salts upon water flow, modeling of sorption, transport and transformation of organic solutes, and the effects of microorganisms on silicate clay minerals. The book presents studies and approaches that can be extended and complemented by innovative ... Leer más

    $58.99 USD

  • Soil Degradation and Restoration in Africa

    Edición de Rattan Lal, B. A. Stewart ...
    Series series Advances in Soil Science
    Soil degradation is a widespread problem in Africa resulting in decreased agricultural productivity while demand for food continues to increase. Degradation is caused by accelerated erosion, acidification, contamination, depletion of soil organic matter and plant nutrients, and salinization. The major cause of soil degradation in Africa is uncontrolled and excessive grazing in the savanna regions ... Leer más

    $57.99 USD

  • World Soil Resources and Food Security

    Edición de Rattan Lal, B.A. Stewart ...
    Series series Advances in Soil Science
    Soil-The Basis of All Terrestrial LifeAncient civilizations and cultures-Mayan, Aztec, Mesopotamian, Indus, and Yangtze-were built on good soils, surviving only as long as soils had the capacity to support them. In the twenty-first century, productive soil is still the engine of economic development and essential to human well-being. The quality of ... Leer más

    $265.99 USD