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Author: J. L. Sehgal
Publisher: Taylor & Francis
ISBN: 9789054107712
Category : Acid soils
Languages : en
Pages : 490
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Book Description
Author: J. L. Sehgal
Publisher: Taylor & Francis
ISBN: 9789054107712
Category : Acid soils
Languages : en
Pages : 490
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Book Description
Author: Michael Wilson
Publisher: Springer Science & Business Media
ISBN: 9781402021374
Category : Nature
Languages : en
Pages : 424
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Book Description
The red soils of China are typical in their chemical, physical and mineralogical characteristics of red soils in other tropical and sub-tropical areas of the world, particularly in South America, Africa and south-east Asia. For the most part, these soils are highly weathered and inherently infertile. They are acidic, nutrient deficient, poor in organic matter and have a low water-holding and supplying capacity. They cannot sustain arable cropping systems without the most careful management and are highly susceptible to soil erosion, particularly on sloping land. It is the purpose of this book to present recent research showing how the problems associated with using the red soils in China for sustainable agricultural production can be overcome, using a variety of traditional and novel approaches. In principle, these approaches should be useful in other tropical and sub-tropical countries faced with the problem of making the best use of their fragile red soil resources. The term "in principle" is used deliberately because, of course, the different red soil countries invariably operate within dissimilar socio-economic frameworks. At the present time, China may be considered to be in the process of an "industrial revolution", rather like that that took place in Britain in the late eighteenth and early nineteenth centuries.
Author: Ellis L. Krinitzsky
Publisher:
ISBN:
Category : Gravel
Languages : en
Pages : 178
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Book Description
Author: M.S. Mani
Publisher: Springer Science & Business Media
ISBN: 940102331X
Category : Science
Languages : en
Pages : 809
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Book Description
This book describes the outstanding features of the ecology and bio geography of the Indian region, comprising former British India, Nepal, Bhutan, Ceylon and Burma. It summarizes the results of nearly four decades' studies and field explorations and discussions with students on the distribution of plants and animals, practically throughout this vast area and on the underlying factors. A number of specialists in geology, meteorology, botany, zoology, ecology and anthropology have also actively collaborated with me and have contributed valuable chapters in their respective fields. India has an exceptionally rich and highly diversified flora and fauna, exhibiting complex composition, character and affinities. Although the fauna of the Indian region as a whole is less completely known than its flora, we are nevertheless fairly well acquainted with at least the salient features of its faunal characters to enable us to present a meaningful discussion on some of the outstanding peculiarities of the biogeography of India. A general synthesis of the available, though much scattered, information should prove useful to future students of biogeography throughout the world.
Author: Pedro A. Sanchez
Publisher: Cambridge University Press
ISBN: 1107176050
Category : Business & Economics
Languages : en
Pages : 685
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Book Description
Long-awaited second edition of classic textbook, brought completely up to date, for courses on tropical soils, and reference for scientists and professionals.
Author:
Publisher:
ISBN:
Category : Soil surveys
Languages : en
Pages : 102
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Book Description
![Soil Survey of ... [various Counties, Etc.]. PDF](https://books.google.com/books/content/images/frontcover/whR3kD49hioC?fife=w80-h100)
Author:
Publisher:
ISBN:
Category : Soil surveys
Languages : en
Pages : 562
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Book Description
Author: Roger Maignien
Publisher:
ISBN:
Category : Laterite
Languages : en
Pages : 168
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Book Description
Background, definition and scope of the problem; Morphological and analytical characteristics of laterites; Global distribution of laterites; Origin of laterites; Classification of laterites.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 474
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Book Description
Author: R.O. Whyte
Publisher: Springer Science & Business Media
ISBN: 9401015775
Category : Science
Languages : en
Pages : 379
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Book Description
This book is designed to present those principles and techniques for land appraisal which are applicable to all developing countries. Examples of specific situations in which these techniques have been or might be adopted are taken primarily from monsoonal and equatorial Asia. It is in this region that the land/food/population problem is most acute. It is also the writer's region of specialization; over the past ten years out of a total of some twenty-five years working in or closely concerned with Asia, an attempt has been made to examine the major problems ofland potential in relation to rural economy and nutrition in the whole region, and in particular to show to what extent its different parts resemble or differ from each other. The geographical scope comprises mainland southern, southeast and east Asia, from Pakistan to the People's Republic of China and Korea, with the insular monsoonal and equatorial lands of Sri Lanka, Indonesia, East Malaysia, Philippines, Taiwan and Japan (part). International and bilateral agencies and specialists outside Asia repeatedly insist that Asia must learn to feed itself from the produce of its own land, or from imported foods paid for by the exports of primary and secondary commodities and of manufactured products to the developed world.
