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The Soil (Collins New Naturalist Library, Book 77)电子书

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作       者:B. N. K. Davis,N. Walker,D. F. Ball

出  版  社:Collins

出版时间:2013-04-11

字       数:240.4万

所属分类: 进口书 > 外文原版书 > 科技/医学

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The soil is one of the great unsung disappearing resources, with over 100m tonnes being destroyed every year. This edition is exclusive to newnaturalists.com The soil is the work place of farmers and gardeners, but it is also a fascinating environment inhabited by insects that can leap into the air to a record height, multilegged scavengers that are vital to the decomposition of plant matter and the long, thin, entwining strands of thousands of species of fungi. Although soil plays a vital role in the functioning of the world, it has often been overlooked, mainly because it contains a huge range of different fields, all of which have become specialities in their own right. This book brings together specialists in these fields to give a broad overview of the staggering advances that have been made since Sir John Russel's The World Of Soil was published in this series in 1947. The first two chapters introduce the physical structure of the soil. The next four chapters deal with the specific animals and plants and how they exploit this environment. The final four chapters describe how these animals interact and how man has used and abused the soil in his striving to gain more and more from this resource.
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Cover Page

Title Page

Editors

Table of Contents

Editors’ Preface

Authors’ Preface

CHAPTER 1: ARCHITECTURE OF THE SOIL WORLD

The soil surface and superficial plant remains

Humus

The mineral skeleton

Clays and soil chemistry

Soil pores, atmosphere and water

CHAPTER 2: THE VARIETY OF SOILS IN BRITAIN

Soil-forming factors

Soil classification

CHAPTER 3: ROOTS

Mycorrhizas

Root nodules

CHAPTER 4: THE SOIL FAUNA: ANTHROPODS

Soil micro-anthropods

Mites

Collembola

Woodlice and soil habitats

Millipedes and centipedes

Millipedes

Centipedes

Spiders

Vegetarian insects

Beetles as predators

Ants and ant-hills

CHAPTER 5: OTHER SOIL ANIMALS

Earthworms

Soil nematodes

Snails and slugs

Moles

CHAPTER 6: BACTERIA AND OTHER MICROORGANISMS OF THE SOIL

Activities of soil microbes

Fungi, yeasts, actinomycetes and algae

CHAPTER 7: NATURAL HABITATS

Woodlands

Moorland and hill

Grassland and habitats

CHAPTER 8: AGRICULTURAL SOILS: PRODUCTIVITY AND MANAGEMENT

A brief history

Cultivation

Fertilizers

Field drainage and irrigation

Straw disposal

Postscript

CHAPTER 9: AGICULTURAL SOILS: A SIDEWAYS LOOK

Cultivation

Pesticides

Breakdown of pesticides

Leaching of nitrates

Erosion

Organic farming

CHAPTER 10: RECLAMATION AND RESTORATION

Natural processes

Soil reclamation

Selected References and Further Reading

Index

Plates

Copyright

About the Publisher

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