Interactive map of the best practices

on the use of water, land and energy resources,
as well as the environment of Central Asia

Comparison of practices

Название практики Application of furrow-based counter irrigation Проведение олимпиады на тему «Интегрированное управление водными ресурсами»
Category Water resources Water resources
Tool Irrigation technique and technology
Field of application

Использование водных ресурсов

Usability of practice for adaptation to climate change Moderate Low
Implemented by Central Asian Research Institute of Irrigation (SANIIRI)
Кыргызско-Российский Славянский университет (КРСУ)
Used by

Country: Uzbekistan

Province: Xorazm Region

District: Urganch District

Country: Kyrgyzstan

Local specifics

Khorezm Region lies in the northwest of Uzbekistan (between the latitudes of 40N and 42N and longitudes of 60E and 62E). The Region stretches for 280 km from northwest to southeast, and for 80 km – from west to east. The adyr relief is mainly formed by moist-type playa and, to a lesser extent, by meadow and grey-dessert soils; the depressions relief is formed by sands.

Practice usage period

Start date: 01.01.2004

End date: 31.12.2016

Start date: 01.01.2017

End date: 31.12.2017

Problem solved through this practice

Inefficient field-level use of irrigation water

Недостаточный уровень объективности при отборе кандидатов, когда наилучший кандидат определяется не по уровню знаний и навыков, а по блату

Tools used in the practice

Technology of furrow-based counter irrigation

Методика тестирования знаний

Description of the practice and its results

Technology applicability

In the majority of Central Asian countries, irrigated agriculture is based on flooding irrigation (ex.: wheat) and/or furrow-based irrigation (other crops).  Against the background of climate change and global water shortage, the traditional and/or currently practiced irrigation methods have lost their relevance and are no longer justified, in particular, in the Aral Sea area.  In addition, watering the whole field of uneven relief based on traditional furrow-based technique requires long time. In many cases, traditional watering leads to uneven water distribution (alternating dry and bogging spots) across the field and rising ground water level.  The suggested technology of counter irrigation is suitable for watering areas with even/flat relief, i.e. flat/lowland territories of Central Asian countries.

Technology description

The technology is quite simple and consists of simultaneous irrigation of a field from two sides.  It was appraised in Uzbekistan’s northwestern part within the framework of the ZEF/UNESCO Project.  The technology’s pilot application demonstrated that furrow-based counter irrigation can be used as a technical option of irrigating undeviating (even) sites and increases water efficiency due to more uniform water distribution along furrows.  This effective water-conservation technology has been already widely tested in Central Asian countries, including Uzbekistan (Syr Darya and Khorezm Regions) by SANIIRI.

Advantages

  • Water-saving – results of the system’s field pilot testing show that compared to traditional furrow-based irrigation counter watering allows saving up to 20% of irrigation water during vegetation season;
  • Decreased seasonal land salination at furrow ends – land salination at furrow ends due to poor absorption of irrigation water and high capillarity can be reduced by half;
  • Increased yields – application of the method allows increasing crop yields in general by 30-35%, and specifically for cotton – by 0.5 tons/ha;
  • Application and design enhancements of furrow-based irrigation (discharge optimizing, washing irrigation, field laser planning) allow increasing the technology’s efficiency from the current 45% up to 65%.

Мероприятия:

Участникам было предложено пройти 2 этапа Олимпиады – письменный и устный. Победители письменного тестирования прошли на участие в устном этапе.

Результаты:

В результате отбора кандидатов для участия в Региональной Олимпиаде ИУВР и Международной Летней Школе «Методы и средства оценки, моделирования и мониторинг водных и земельных ресурсов Центральной Азии», которая состоится в г.Алматы, выбран наилучший студент.

Lessons learnt and recommendations made

Lessons learnt:

The furrow-based counter irrigation technology is rather simple (entails simultaneous irrigation of a field from both sides) and represents a justified technical option of irrigating undeviating (even) relief land and increasing water efficiency due to more uniform water distribution along furrows.

Recommendations:

The irrigation technology is recommended for application by farmers prior to controlling ground water level and enhancing land reclamation condition via more radical measures.  Under the condition of available investment, this watering method can be widely introduced on engineered basis.

Формально такая соревновательная практика является обычным явлением и при отборе исполнителей в международные и национальные проекты, но фактически добиться объективности удается не всегда. Нередко для участия в проектах берут или по знакомству или по указанию из вышестоящих инстанций.

Source of practice
  • Traditional tools transferred from generation to generation that proved their efficiency in modern conditions
  • Domestic tools (outcomes of research by domestic R&D organizations)
  • Отечественные инструменты (результат разработок отечественных научно-исследовательских структур)
  • Зарубежные инструменты (передача зарубежного опыта)
Readiness for implementation

1. Cost of implementation: High

2. Approximate cost of investment per 1 ha:

3. O&M costs: High

4. Expert support: Not needed

1. Cost of implementation: Low

2. Approximate cost of investment per 1 ha:

3. O&M costs: Low

4. Expert support: Not needed

Brief information on the project

Project beneficiaries: water consumers and WUAs.

 Project implementer: Central Asian Research Institute of Irrigation (SANIIRI)

Funding source ZEF/UNESCO in the Republic of Uzbekistan Министерство образования и науки Кыргызской Республики • Организация Глобальное Водное Партнерство в Кыргызской Республике (GWP)
Information sources

1) Reference Book on climatically optimized investment in rural areas of the Aral Sea Basin (based on the examples of Uzbekistan and Tajikistan), Tashkent 2016;

2) Paluashova, G.K., Shirokova, Yu.I. “Efficiency of furrow-based counter irrigation of cotton in Khorezm conditions” (http://www.cawater-info.net/bk /improvement- irrigated-agriculture/files/paluashova-shirokova.pdf);

3) Paluashova, G. (2005), “Investigating land saline regime due to changed irrigation technology in the conditions of Khorezm Oasis.  Materials of “Scientific Support as a Factor of Sustainable Water Sector Development” International Research and Applied Conference (Taraz, Kazakhstan).

http://www.water.kg/index.php/ru/itemlist/category/93-seminary-i-treningi 

Contacts of a person, who filled this form

SIC ICWC

НИЦ МКВК

Form submission date 18.05.2018 09.08.2017

Partners