Author:
Publisher:
ISBN:
Category : English language
Languages : en
Pages : 172

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Author:
Publisher:
ISBN:
Category : Indonesian language
Languages : en
Pages : 1716

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Author: Library of Congress
Publisher:
ISBN:
Category : Indonesia
Languages : en
Pages : 1172

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Author: Cornell University. Libraries
Publisher:
ISBN:
Category : Southeast Asia
Languages : un
Pages : 520

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Author: British Library
Publisher:
ISBN:
Category : English imprints
Languages : un
Pages : 446

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Author:
Publisher:
ISBN:
Category : Bandung (Indonesia)
Languages : id
Pages : 228

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Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 925108369X
Category : Technology & Engineering
Languages : en
Pages : 203

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This publication is a revised and updated version of World Soil Resources Reports No. 84 and 103 and presents the international soil classification system. Every soil in the world can be allocated to one of the 32 Reference Soil Groups as defined in this document, and can further be characterized by a set of qualifiers. The resulting soil name provides information on soil genesis, soil ecological function and soil properties relevant for land use and management. The same system, refined slightly, may be used to name the units of soil map legends, thereby providing comprehensive spatial information. By accommodating national soil classification systems, the World Reference Base facilitates the worldwide correlation of soil information.

Author: Frank N. Egerton
Publisher: Routledge
ISBN: 1317243811
Category : History
Languages : en
Pages : 310

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First published in 2003. Hewett Cottrell Watson was a pioneer in a new science not yet defined in Victorian times – ecology – and was practically the first naturalist to conduct research on plant evolution, beginning in 1834. The correspondence between Watson and Darwin, analysed for the first time in this book, reveals the extent to which Darwin profited from Watson’s data. Darwin’s subsequent fame, however, is one of the reasons why Watson became almost forgotten. This biography traces both the influences and characteristics that shaped Watson’s outlook and personality, and indeed his science, and the institutional contexts within which he worked. At the same time, it makes evident the extent of his real contributions to the science of the plant ecology and evolution.

Author: Hari Eswaran
Publisher: CRC Press
ISBN: 1420040367
Category : Science
Languages : en
Pages : 278

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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

Author: S. W. Buol
Publisher: Iowa State Press
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 376

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Morphology of soils; Soil micromorphology; Soil composition and characterization; Weathering and soil formation; Pedogenic processes: internal, soil-building processes; Soil environment: External factors of soil formation; Parent material: initial material of the solum; Relief and landscape factors of the soil and its environment; Contributions of climate to the total soil environment; Organisms: biological portion of the soil and its environment; Time as a factor of soil formation; Principles and historical development of soil classification; Modern soil classification systems; Entisols:recently formed soils: Vertisols: shrinking and swelling dark clay soils; In ceptisols: emleryonic soils with few diagnostic features; Aridisols: soils of arid regions; Mollisols: grassland soils of steppes and prairies; Spodosols: soils with subsoil, accumulations of sesquioxide and humus; Alfisols:high base status soils; Ultisols: low base status forest soils: Oxisols: sesquioxide - rihch, highly weathered soils of the intertropical regions; Histosols: organic soils.