Microirrigation Management And Maintenance 2nd Edition
ISBN: 978-0-9970384-0-8
Copyright Registration Number: TX 8-426-244
About the book
This book is meant to serve as a user-friendly manual for drip/microirrigation management and maintenance. It will walk you step-by-step through the proper management and proactive maintenance procedures necessary for successful drip/ microirrigation practice. Negligence of system maintenance compromises the advantages of drip/microirrigation.
The book is divided into three parts: the first part covers various aspects of drip/microirrigation management including how much water to apply, when to apply it, and how to apply it uniformly and efficiently with some expansion in the second edition on the concept of crop coefficient (kc) for Irrigation Scheduling (when and how much water to apply). The first part also covers fertigation practices, salinity management, and water penetration problems with special inference to drip/microirrigation. Some elaboration on the concept of "Salinity Management" is also added in the second edition. This addition could enable more efficient utilization of saline irrigation water for crop production particularly under the conditions of water shortage.
The second part is dedicated to system maintenance and treatment of clogging problems. The third part is mainly concerned with drip system components, which is added in the second edition of the book to include two new chapters that cover the subjects of selection of emitters and the filtration of irrigation water.
The book is a compilation of hands-on experiences in drip/microirrigation practice. It was written with irrigation practitioners in mind. Ample numerical examples are supplied to illustrate the presented concepts and enable their implementation. Formulae and examples are clearly identified. Pictures and drawings of vital drip/microirrigation system components, testing tools, and maintenance equipment are provided. Summary tables are available for quick review. Quick testing procedures, troubleshooting techniques, source of essential information for drip/microirrigation, and useful guideline tables are presented in the appendices.
Though the book refers to some facilities in California, the presented information can be adapted to many other localities. The more informed the system-user is about the system, the more likely that person will have a long-term success with it. Meanwhile, site-specific experience is necessary for adapting the given information to specific field conditions.
Drip/Microirrigation subjects discussed include:
- How to schedule irrigation.
- How to install, use and maintain tensiometers.
- How to monitor soil moisture under drip.
- How to estimate irrigation efficiency.
- Managing of salinity and determining leaching requirements.
- How to determine fertilizer injection rate.
- How to evaluate the quality of your irrigation water.
- How to improve water penetration problems.
- How to use water amendments to improve infiltration.
- How to adjust, maintain, and troubleshoot media and screen filters.
- How to evaluate system emission uniformity.
- How to flush your microirrigation system.
- How to identify clogging problems and remedy them.
- Chlorination and acidification for water treatment and clogging problems.
- Assessment of the condition of the well-pump system
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This book was divided into six books which they can be ordered separately according to the area of interest. These books are:
Drip/Microirrigation System Maintenance
Microirrigation Scheduling And Salinity Management
Fertigation Management Under Microirrigation
Water Infiltration Management Under Microirrigation
Water Filtration For Drip/Microirrigation
Emitter Selection For Microirrigation
A brief of the content for each book is outlined below
Drip/Microirrigation System Maintenance
ISBN: 978-0-9970384-3-9
Subjects discussed include:
- Essence of preventive microirrigation system maintenance.
- Irrigation water quality analysis, why and how often it is needed, what should be included, how to evaluate it, how to use it, and how it affects system clogging and fertilizer injection.
- How to adjust, maintain, and troubleshoot media and screen filters.
- How to evaluate system emission uniformity.
- How to flush your microirrigation system.
- How to identify clogging problems and remedy them.
- Periodic microirrigation system maintenance guide.
- Summary of microirrigation system maintenance.
- Chlorination and acidification for water treatment and managing clogging problems, needed equipment & chemicals, precautions, and procedures.
- Assessment of the condition of the well-pump system.
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Microirrigation Scheduling And Salinity Management
ISBN: 978-0-9970384-4-6
Subjects discussed include:
- How to schedule microirrigation.
- How to install, use and maintain tensiometers.
- How to monitor soil moisture under microirrigation.
- Scheduling examples.
- Sources of information for ETo and crop coefficients.
- How to estimate microirrigation system efficiency.
- Summary of microirrigation scheduling.
- Managing of salinity under microirrigation.
- Determining leaching requirements.
- Evaluation of effectiveness of leaching.
- Improving leaching efficiency.
- Salinity, yield potential, and salt tolerance of crops.
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Fertigation Management Under Microirrigation
ISBN: 978-0-9970384-2-2
Subjects discussed include:
- Fertigation patterns under microirrigation.
- How to determine fertilizer injection rate.
- Fertilizer characteristics.
- Fertilizer injection point.
- Fertilizer injection patterns.
- Fertigation and emission uniformity.
- Fertigation and flushing of microirrigation lines.
- Mixing fertilizers.
- Fertilizer injection devices.
- Essential nitrate-nitrogen tests for soil and plant petioles.
- Essence of irrigation water quality analysis.
- Backflow prevention
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Water Infiltration Under Drip/Microirrigation
ISBN: 978-0-9970384-5-3
Subjects discussed include:
- Irrigation water and infiltration problem as related to microirrigation.
- How to evaluate the quality of your irrigation water in relation to infiltration.
- How to improve water penetration problems.
- Types of water amendments.
- Which amendment to use.
- How to use water amendments to improve infiltration.
- Estimation of water amendment application rate.
- Amendment application methods under microirrigation.
- Blending water supplies.
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Water Filtration For Drip/Microirrigation
ISBN: 978-0-9970384-1-5
Subjects discussed include:
- Settling basins sizing and design.
- Sand media filters sizing, media selection, under-drains and backwash.
- The backwash factor.
- The backwash flow rate adjustment.
- The backwash frequency adjustment.
- The backwash duration adjustment.
- The backwash dwelling-time adjustment.
- The de-rating factor.
- Media filter troubleshooting and maintenance.
- The media tank.
- The screen filter.
- Maintenance of screen filter.
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Emitter Selection For Microirrigation
ISBN: 978-0-9970384-6-0
Subjects discussed include:
- Emitter hydraulics.
- Emitter characteristics and drip system performance.
- Type of emitters.
- A guide for emitter selection.
- Fittings and lines connections.
