Comparison of practices

Use of water resources

• Use of water resources
• Use of land resources
• Environmental protection

Country: Kazakhstan

Province: Jambyl Region

Country: Turkmenistan

Province: Ahal Region

Other settlement: Yerbent

The site is located in the foothills with significant difference in elevation

The site (nearly 842,000 hectares; population of 8,000 people) is located in the Central Kara Kum Desert. The relief is represented by the combination of “barkhans” (sand dunes) of various forms and “takyr” (dry-type playa) depressions. The majority of the area is covered by desert pastures.

Start date: 01.01.2006

End date: 31.12.2007

Start date: 01.01.2009

End date: 31.12.2010

Water erosion, discharge, uneven distribution of irrigation water, poor yields

As soon as people began to lead a settled life, they shifted away from the traditional way of livestock grazing. The land became subject to strenuous exploitation, especially near settlements and watering sites.  Saxaul thickets were cut down for heating and cooking purposes.  The thickets were unable to restore over time due to overgrazing. Frequent movement of sand dunes and severe sandstorms threaten not only dwellings and social infrastructure, but also degrade soil and destroy the limited number of available water wells. Degraded pastures fail to yield enough livestock forage. The shortage of watering sites leads to consolidation of large numbers of animals around existing wells.  Structural changes in livestock production (more goats and cattle instead of camels; more unprotected pastures around settlements instead of distant pastures) lead to vegetation cover degradation, in particular, around settlements and watering sites.

Technique and technology for irrigation based on Simultaneous Impulse Sprinkling Kit (KSID-10S)

Technology for combatting desertification and droughts by proper management of wells and watering sites (construction and repair of wells, building mechanical protection from reed mats and Saxaul saplings)

Actions:

Deployment of the Simultaneous Impulse Sprinkling Kit (KSID-10S) allowing extremely uniform and simultaneous dispersion of irrigation water across all sections of arable pasture or hayfield meadow.  Water expenditure at the impulse device makes 0.05-0.3 l/sec and 0.25-2.0 l/sec in the irrigation pipeline, thus, reducing (3-4 times) the costs associated with the pipeline network installation compared to other sprinkling systems (kits). The pipeline network is built of 15-25 mm diameter pipes easy to transport and assemble in mountainous conditions.

Technical characteristics:

Operation modes: automatic and manual

Irrigated area: 10 ha

Water consumption: up to 100 m³/day

Average sprinkling (rain) intensity: 0.002-0.008 mm/min

EFFICIENCY: 99%

MOC: 98%

Watering automation level: 100%

Results:

• Ensured water supply according to crops requirements with the account of changing weather conditions and moisture deposits in active soil layer;
• Elimination of : 1) water-induced soil erosion, 2) puddling and 3) discharge run-off;
• No need for water recirculation among irrigation sections.

Actions:

8 new wells built and 6 existing wells repaired, and mechanical protection (reed mats and Saxaul saplings) set up on the territory of 27 hectares.  Water wells also underwent small-scale repair and construction to expand the area of pasturable land and prevent localized degradation.

Results:

After the restoration of wells, desert pastures became subject to even and rational use; installation of mechanical protection allowed to stop the approaching sand dunes around settlements.

Lessons learnt:

The advantages of impulse sprinkling irrigation were confirmed by the research efforts on other test sites of KAZNIIVKh in Jambyl Region that allowed increasing biological productivity of Golden Delicious apple variety by 10.1-36.8%, and commercial productivity – by 16.6-49.4% compared to conventional sprinkling irrigation systems.

Recommendations:

It is necessary to continue application of similar practices in foothill areas in Central Asia subject to power supply shortages.

Lessons learnt:

The capacity of watering sites was increased by way of improving the existing infrastructure and, where possible, building new wells infrastructure.  The newly drilled wells significantly aid local population in maintaining their livestock and households.

Recommendations:

It is necessary to test traditional drought-resistant grain crops.

Domestic tools (outcomes of research by domestic R&D organizations)

• Traditional tools transferred from generation to generation that proved their efficiency in modern conditions;
• Domestic tools (outcomes of research by domestic R&D organizations)

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: High

2. Approximate cost of investment per 1 ha:

3. O&M costs: High

4. Expert support: Not needed

Project title: Local-level capacity building and investment for sustainable management of land resources.

Project duration: 2009-2010.

Project goal and objectives: combating desertification and droughts.

Project beneficiaries: farmers and representatives of local executive bodies in several settlements.

Project implementer: Ministry of Nature Protection of Turkmenistan and German Technical Cooperation Agency (GIZ).

http://www.turkmenistan.ru/?page_id=3&lang_id=ru&elem_id=17207&type=event&layout=print&sort=date_desc 

SIC ICWC

SIC ICWC