Cover
title | : | Alternative Irrigation : The Promise of Runoff Agriculture |
author | : | Barrow, Christopher J. |
publisher | : | Earthscan Ltd. |
isbn10 | asin | : | 1853834963 |
print isbn13 | : | 9781853834967 |
ebook isbn13 | : | 9780585376769 |
language | : | English |
subject | Runoff irrigation. |
publication date | : | 1999 |
lcc | : | S619.R85B37 1999eb |
ddc | : | 631.587 |
subject | : | Runoff irrigation. |
Page i
ALTERNATIVE IRRIGATION
Page iii
ALTERNATIVE IRRIGATION
THE PROMISE OF RUNOFF AGRICULTURE
Christopber J Barrow
EARTHSCAN
Earthscan Publications Ltd, London
Page iv
First published in the UK in 1999 by
Earthscan Publications Ltd
Copyright Christopher J Barrow, 1999
All rights reserved
A catalogue record for this book is available from the British Library
ISBN: 1 85383 496 3 paperback
1 85383 495 5 hardback
Typesetting by PCS Mapping & DTP, Newcastle upon Tyne
Printed and bound by Creative Print and Design Wales, Ebbw Vale
Cover design by Yvonne Booth
Cover photograph Christopher J Barrow
Valleyside irrigated terraces, supplied by channel (gravity flow) from meltwater
stream, Azilal province, High Atlas Mountains, Morocco, 1998
For a full list of publications please contact:
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Earthscan is an editorially independent subsidiary of Kogan Page Limited and
publishes in association with WWF-UK and the International Institute for Environment
and Development
This book is printed on 50 per cent recycled paper
Page v
CONTENTS
List of Figures, Boxes and Tables | ix |
List of Photographs | xi |
List of Acronyms and Abbreviations | xiii |
Preface | xv |
Acknowledgements | xvii |
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|
1 Introduction | 1 |
Runoff Agriculture and Land Husbandry | 5 |
Runoff Agriculture: Definition and Character | 7 |
|
|
2 Soil and Water Conservation (SWC) | 12 |
Soil and Water Conservation in Practice | 21 |
Soil and Water Conservation Techniques | 22 |
Soil and water conservation by agronomic techniques | 23 |
Soil and water conservation by mechanical techniques | 31 |
Soil and water conservation by vegetative techniques | 44 |
Labour Input and Costs of Soil and Water Conservation | 46 |
The Role of Women in Soil and Water Conservation | 48 |
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3 Runoff Harvesting and Storage | 49 |
Runoff Harvesting Techniques | 54 |
Roaded catchments | 55 |
Enhanced catchments | 55 |
Microcatchments | 57 |
Macrocatchments | 60 |
Liman systems | 61 |
Terraced wadi systems | 65 |
Warping | 65 |
Hillside conduit systems | 66 |
Fog and Mist Harvesting | 66 |
Dew Harvesting | 67 |
Subsurface Runoff Harvesting | 68 |
Runoff Harvesting in Practice | 70 |
Runoff Harvesting Costs | 73 |
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Page vi
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4 Ephemeral and Variable Streamflow: Spate, Wetlands and Flood Agriculture | 74 |
Spate Agriculture | 75 |
Storage of Floodwater and Heavy Runoff | 79 |
Wetlands, Swamp and Flood Agriculture | 82 |
Dambos | 84 |
Fadamas | 84 |
Bolis | 84 |
Wet Field, Drained Field and Raised Field or Raised Bed Agriculture | 85 |
River Flood Agriculture | 87 |
Flood-Tolerant Rice and Floating Rice | 89 |
Aquatic Crops | 89 |
|
|
5 Indigenous Runoff Agriculture: Challenges and Breakdown | 91 |
Why Does Breakdown Occur? | 92 |
Where has Breakdown Occurred? | 95 |
Latin America | 95 |
North America | 96 |
Israel (Negev Desert) | 96 |
Lebanon | 96 |
Yemen | 96 |
Spain | 96 |
Madeira | 97 |
Canary Islands | 97 |
Cape Verde Islands | 97 |
Aegean Islands | 98 |
Other Mediterranean islands | 99 |
India and Sri Lanka | 99 |
The Philippines | 99 |
Pakistan | 99 |
Iran | 100 |
Eastern Sudan | 100 |
Tanzania | 100 |
Niger | 100 |
Morocco | 101 |
Tunisia | 103 |
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6 Expanding, Upgrading and Rehabilitating Runoff Agriculture | 104 |
Runoff Harvesting | 108 |
Flood and Wetland Agriculture | 108 |
Tank Storage | 109 |
Non-Sedentary Agriculture | 109 |
Promoting Runoff Agriculture and Soil and Water Conservation | 110 |
What helps innovation or upgrading to succeed? | 112 |
Problems upgrading to terracing | 114 |
Grants, subsidies and incentives | 114 |
Page vii
Food-for-work or cash-for-work support for runoff agriculture and soil and water conservation | 116 |
Tools for work or village facilities as incentives | 117 |
Working with landusers | 117 |
Supportive institutions and social organizations | 118 |
Supporting Runoff Agriculture and Soil and Water Conservation with Laws and Regulations | 119 |
The Role of Women in Runoff Agriculture and Soil and Water Conservation | 120 |
Paying for Runoff Agriculture and Soil and Water Conservation | 120 |
Appropriate Tools | 120 |
Appropriate Levelling Methods | 121 |
Management of Runoff Agriculture and Soil and Water Conservation |
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