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Author: Food and Agriculture Organization of the United Nations
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 80
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 80
Get Book Here
Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9789251055212
Category : Technology & Engineering
Languages : en
Pages : 116
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Book Description
Soils are affected by human activities, such as industrial, municipal and agriculture, that often result in soil degradation and loss. In order to prevent soil degradation and to rehabilitate the potentials of degraded soils, reliable soil data are the most important prerequisites for the design of appropriate land-use systems and soil management practices as well as for a better understanding of the environment. The availability of reliable information on soil morphology and other characteristics obtained through examination and description of the soil in the field is essential, and the use of a common language is of prime importance. These guidelines, based on the latest internationally accepted systems and classifications, provide a complete procedure for soil description and for collecting field data. To help beginners, some explanatory notes are included as well as keys based on simple test and observations.--Publisher's description.
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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Book Description
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: J. Alfred Zinck
Publisher: Food & Agriculture Org.
ISBN: 9789251036624
Category : Science
Languages : en
Pages : 140
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Book Description
Author: Hari Eswaran
Publisher: CRC Press
ISBN: 1420040367
Category : Science
Languages : en
Pages : 278
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Book Description
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: Andreas Schulte
Publisher: Springer Science & Business Media
ISBN: 3662036495
Category : Science
Languages : en
Pages : 220
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Book Description
An 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: Pan Ming Huang
Publisher: CRC Press
ISBN: 1439803080
Category : Science
Languages : en
Pages : 821
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Book Description
An evolving, living organic/inorganic covering, soil is in dynamic equilibrium with the atmosphere above, the biosphere within, and the geology below. It acts as an anchor for roots, a purveyor of water and nutrients, a residence for a vast community of microorganisms and animals, a sanitizer of the environment, and a source of raw materials for co
Author: International Rice Research Institute
Publisher: Int. Rice Res. Inst.
ISBN: 9711041391
Category : Hydromorphic soils
Languages : en
Pages : 569
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Book Description
The Workshop produced recommendations for future research and actions to make the goal of greater crop production from wetland soils a reality.
Author: Food and Agriculture Organization of the United Nations
Publisher: Food and Agriculture Organization of the United Nations
ISBN: 9251374996
Category : Technology & Engineering
Languages : en
Pages : 69
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Book Description
The Harmonized World Soil Database version 2.0 (HWSD v2.0) is a unique global soil inventory providing information on the morphological, chemical and physical properties of soils at approximately 1 km resolution. Its main objective is to be useful for modelers and to serve as a basis for prospective studies on agroecological zoning, food security and the impacts of climate change. HWSD v2.0 also serves an educational function, illustrating the geographical distribution of soils as well as their properties globally. HWSD v2.0 is easily accessible and user-friendly.
Author: Pan Ming Huang
Publisher: CRC Press
ISBN: 1439803048
Category : Science
Languages : en
Pages : 2249
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Book Description
An evolving, living organic/inorganic covering, soil is in dynamic equilibrium with the atmosphere above, the biosphere within, and the geology below. It acts as an anchor for roots, a purveyor of water and nutrients, a residence for a vast community of microorganisms and animals, a sanitizer of the environment, and a source of raw materials for co
