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Author: A. E. Hewitt
Publisher: Balogh Scientific Books
Published: 1993
Total Pages: 133
ISBN-13: 9780478045086
DOWNLOAD EBOOKFirst published as DSIR Land Resources Scientific Report No. 19, this is a reprint with corrections. Written for the specialist, it is a classification based on the best current knowledge of 15 soil types Further revisions are expected. Includes references and an appendix of code letters for soil designation.
Author: Allan E. Hewitt
Publisher: Springer Nature
Published: 2021-02-19
Total Pages: 332
ISBN-13: 3030647633
DOWNLOAD EBOOKThis book offers an introduction to the soils of Aotearoa New Zealand, structured according to the New Zealand soil classification system. Starting with an overview of the importance and distribution of New Zealand soils, it subsequently provides essential information on each of the 15 New Zealand soil orders in separate chapters. Each chapter, illustrated with diagrams and photographs in colour, includes a summary of the main features of the soils in the order, their genesis and relationships with landscapes, their key properties including examples of physical and chemical characteristics, and their classification, use, and management. The book then features a chapter on soils in the Ross Sea region of Antarctica and concludes by considering New Zealand soils in a global context, soil-formation pathways, and methods used in New Zealand to evaluate soils and assist in land-management decisions. Information about how to access detailed information via links to the Manaaki Whenua Landcare Research website is also included.
Author: Trevor Haddon Webb
Publisher: Manaaki Whenua Press
Published: 2011
Total Pages: 0
ISBN-13: 9780478347289
DOWNLOAD EBOOKSoils need to be classified so they can be identified and mapped. The classification of soils in New Zealand is described in two publications in the Landcare Research Science Series: The New Zealand Soil Classification (Hewitt 2010) and this new report by Webb and Lilburne, Criteria for defining the soil family and soil sibling. The New Zealand Soil Classification classifies NZ soils into 15 soil orders, each of which is divided successively into soil groups and subgroups; this provides an important framework to understand the occurrence and broad properties of soils in the landscape. Criteria for defining the soil family and soil sibling defines the next two levels of classification: soil families and siblings. The sibling is the primary entity depicted on soil maps. Families and siblings separate soils into well defined classes that define each soil's physical composition. The family criteria separate soils on the basis of three criteria: the nature of the soil profile material to 1.0 metre depth, the dominant texture in the upper 0.6 m, and minimum permeability within 1.0 m depth. The sibling criteria separate soils mainly according to the composition of horizons that make up the soil profile.
Author: Hari Eswaran
Publisher: CRC Press
Published: 2002-12-26
Total Pages: 278
ISBN-13: 1420040367
DOWNLOAD EBOOKDevelopments 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: A. E. Hewitt
Publisher:
Published: 1998
Total Pages: 140
ISBN-13:
DOWNLOAD EBOOKContains comtemporary knowledge on the classification of New Zealand soils. The book includes precise definitions of classes and keys for soil recognition, required by modern soil surveys and land evaluations. This edition contains updates and corrections, plus 11 new soil subgroups.
Author: Pavel Krasilnikov
Publisher: Earthscan
Published: 2009-12
Total Pages: 449
ISBN-13: 1849774358
DOWNLOAD EBOOKSoil classification and terminology are fundamental issues for the clear understanding and communication of the subject. However, while there are many national soil classification systems, these do not directly correlate with each other. This leads to confusion and great difficulty in undertaking comparative scientific research that draws on more than one system and in making sense of international scientific papers using a system that is unfamiliar to the reader. This book aims to clarify this position by describing and comparing different systems and evaluating them in the context of the World Reference Base (WRB) for Soil Resources. The latter was set up to resolve these problems by creating an international 'umbrella' system for soil correlation. All soil scientists should then classify soils using the WRB as well as their national systems. The book is a definitive and essential reference work for all students studying soils as part of life, earth or environmental sciences, as well as professional soil scientists.Published with International Union of Soil Sciences
Author: Andreas Schulte
Publisher: Springer Science & Business Media
Published: 2013-03-14
Total Pages: 220
ISBN-13: 3662036495
DOWNLOAD EBOOKAn understanding of the characteristics and the ecology of soils, particularly those of forest ecosystems in the humid tropics, is central to the development of sustainable forest management systems. The present book examines the contribution that forest soil science and forest ecology can make to sustainable land use in the humid tropics. Four main issues are addressed: characteristics and classification of forest soils, chemical and hydrological changes after forest utilization, soil fertility management in forest plantations and agroforestry systems as well as ecosystem studies from the dipterocarp forest region of Southeast Asia. Additionally, case studies include work from Guyana, Costa Rica, the Philippines, Malaysia, Australia and Nigeria.
Author: J. D. G. Milne
Publisher:
Published: 1995
Total Pages: 164
ISBN-13:
DOWNLOAD EBOOKAuthor: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
Published: 2018-07-20
Total Pages: 203
ISBN-13: 925108369X
DOWNLOAD EBOOKThis 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: Ronald G. McLaren
Publisher: Oxford University Press, USA
Published: 1996
Total Pages: 328
ISBN-13:
DOWNLOAD EBOOKSoil is one of New Zealand's greatest resources. This new edition of this well-established book introduces the basic soil science theory which is essential for the proper use and maintenance of this resource. it places greater emphasis on sustainable production and environmental protection and incorporates the new soil classification system. Pedology, soil chemistry and fertility, soil physics and soil management are all covered. Each subject has been placed in a New Zealand context and many specific New Zealand examples are given. Soil science theory is linked with practical soil management and fertiliser recommendation procedures. The influence of soils on environmental quality is described an emphasis placed on the soil condition affecting plant growth.
