Training manual no 5
Provisional edition
a manual prepared jointly
by
C. Brouwer
International Institute
for Land Reclamation and Improvement
and
K. Prins, Consultant
M. Kay, Consultant
M. Heibloem
FAO Land and Water
Development Division
FAO - FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS
Drawings by J. Van Dijk, The International Institute for Land Reclamation and Improvement, Wageningen, The Netherlands
The designations employed and the presentation of material in this publication do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. |
All rights reserved. No part of this publication may be reproduced, stored
in a retrieval system, or transmitted in any form or by any means, electronic,
mechanical, photocopying or otherwise, without the prior permission of the copyright
owner. Applications for such permission, with a statement of the purpose and
extent of the reproduction, should be addressed to the Director, Publications
Division, Food and Agriculture Organization of the United Nations, Via delle
Terme di Caracalla, 00100 Rome, Italy.
This electronic document has been scanned using optical character recognition
(OCR) software and careful manual recorrection. Even if the quality of digitalisation
is high, the FAO declines all responsibility for any discrepancies that may
exist between the present document and its original printed version.
1.1 Surface Irrigation
1.2 Sprinkler Irrigation
1.3 Drip Irrigation
1.4 Functioning of Irrigation Systems
2.1 When to Use Basin Irrigation
2.1.1 Suitable crops
2.1.2 Suitable land slopes
2.1.3 Suitable soils2.2.1 Shape and size of basins
2.2.2 Shape and dimensions of bunds2.3 Basin Construction
2.4 Irrigating Basins
3.1 When to Use Furrow Irrigation
3.1.1 Suitable crops
3.1.2 Suitable slopes
3.1.3 Suitable soils3.3 Furrow Construction
3.4 Irrigating Furrows
4.1 When to Use Border Irrigation
4.2 Border Layout
4.3 Irrigating Borders
CHAPTER 5. SPRINKLER IRRIGATION
5.1 When to Use Sprinkler Irrigation
5.1.1 Suitable crops
5.1.2 Suitable slopes
5.1.3 Suitable soils
5.1.4 Suitable irrigation water5.2 Sprinkler System Layout
5.3 Operating Sprinkler Systems
5.3.1 Wetting patterns
5.3.2 Application rate
5.3.3 Sprinkler drop sizes
6.1 When to Use Drip Irrigation
6.1.1 Suitable crops
6.1.2 Suitable slopes
6.1.3 Suitable soils
6.1.4 Suitable irrigation water6.2 Drip System Layout
6.3 Operating Drip Systems
CHAPTER 7. CHOOSING AN IRRIGATION METHOD
7.1 Surface, Sprinkler or Drip Irrigation
7.2 Basin, Furrow or Border Irrigation
Annex 1 Field intakes and measuring siphon discharge
Annex 2 Infiltration rate and infiltration test
Annex 3 Quarter time rule and irrigation time