At the 14th Meeting of the Steering Committee of the CGIAR Collaborative Research Program for Sustainable Agricultural Development in Central Asia and the Caucasus. 20 – 22 September, 2011, Tashkent, Uzbekistan

1. Use of remote sensing, information
technology and mobile phones for
irrigation scheduling in
Fergana Valley
Hilola Masharipova, Ph.D. Candidate, TIIM
Dr. Mohan Reddy Junna, IWMI
Dr. Abdulkhakim Salokhiddinov, TIIM

2. Problem definition: Global and Regional
Population Increase
Global Warming
Water Scarcity
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3. Uzbekistan – Fergana Valley
Territory 6,800 km²
Population 2,900,000 (2005)
Density 382 / km²
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4. FIELD level
Decision making… Quick facts …
• Irrigation scheduling is the
process of deciding when and
how much water to apply to a
field
• The purpose is to maximize crop
yield and save water
• Irrigation scheduling procedures
consist of monitoring indicators
that determine the need for
irrigation
WHEN? and
HOW MUCH?
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5. If you can’t measure –
you can’t manage!!
Labour Time Means
In order to do irrigation scheduling we need to
know field soil moisture content
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6. Objectives
• Obtain actual ET
information
• Guide farmers on when
and how much irrigation
water to apply
• Efficient water use
Development of
technology for water
management at field
level using remote
sensing technology
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7. Methodology
Weather station data
Penman-Monteith
equation
REFERENCE crop
evapotranspirati
on computation
Kc – NDVI
satellite data
ACTUAL crop
evapotranspiration
ETi=Kc*ETref
Irrigation
scheduling
Si+1=Si+Ii+Ri-DPi-ETi
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8. Methodology
Remote sensing images
can be used to directly
estimate actual
evapotranspiration
Results of image
processing allow farmers
to treat only affected
areas of a field
Problems within a field
may be identified with
Remote sensing before
they can be visually
identified
Example of ET of sugar beets (mm/week) for different canals
branches within irrigation scheme In Egypt.
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9. Sending SMS from dedicated website
Select city
Put number
Enter the data
Put code
Methodology
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10. Conclusion
Accurate
In time
Efficient water use
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11. Concluding remark!!
This technology will
only work if the
irrigation delivery
system has the
capability to supply
water on demand!!!
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12. Already used and implementing
• Irrisat-SMS, www.fieldlook.com by
WaterWatch and Basfood in Europe
• Africa, Egypt, India
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13. 13

14. Contacts
Hilola Masharipova1,2, Dr. Mohan Reddy Junna1 ,
Dr. Abdulkhakim Salokhiddinov2
m_hilola@rambler.ru, M.Junna@cgiar.org,
pepiwm@globalnet.uz
1IWM
http://centralasia.iwmi.org/
&
2TIIM
http://www.tiim.uz/en/
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