Rehabilitation of poor soils through agroforestry [Tajikistan]
- Creation:
- Update:
- Compiler: Natalia Mityakova
- Editor: –
- Reviewers: David Streiff, Alexandra Gavilano
Tajikistan - Central Asian Countries Initiative for Land Management (CACILM/ИСЦАУЗР)
technologies_1052 - Tajikistan
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- Rehabilitation of poor soils through agroforestry: Maart 15, 2017 (inactive)
- Rehabilitation of poor soils through agroforestry: Julie 20, 2017 (inactive)
- Rehabilitation of poor soils through agroforestry: Aug. 21, 2019 (inactive)
- Rehabilitation of poor soils through agroforestry: Nov. 2, 2021 (public)
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Expand all Collapse all1. General information
1.2 Contact details of resource persons and institutions involved in the assessment and documentation of the Technology
SLM specialist:
SLM specialist:
SLM specialist:
Urakov Buran
buran.urakov@undp.org
UNDP
Tajikistan
Name of the institution(s) which facilitated the documentation/ evaluation of the Technology (if relevant)
United Nations Development Program (United Nations Development Program) - TajikistanName of the institution(s) which facilitated the documentation/ evaluation of the Technology (if relevant)
CDE Centre for Development and Environment (CDE Centre for Development and Environment) - SwitzerlandName of the institution(s) which facilitated the documentation/ evaluation of the Technology (if relevant)
Central Asian Countries Initiative for Sustainable Land Management - Multicountry Capacity Building (CACILM - MCB) - Kyrgyzstan1.3 Conditions regarding the use of data documented through WOCAT
When were the data compiled (in the field)?
13/04/2011
The compiler and key resource person(s) accept the conditions regarding the use of data documented through WOCAT:
Ja
2. Description of the SLM Technology
2.1 Short description of the Technology
Definition of the Technology:
An agroforestry system with peach, plum, sweet cherry and persimmon trees was established on a plot of land, with poor soil quality.
2.2 Detailed description of the Technology
Description:
In the arid environment of Kabodion, large areas that had been irrigated during the Soviet times were abandoned after independence, and the irrigation facilities were neglected. Soils were highly degraded due to the long periods they had been without proper irrigation. On an area of poor quality soil, and previously abandoned plot of land covering about 6 ha, UNDP supported one family (Dehkan)to establish an agroforestry system by covering the costs of tree seedlings.
Purpose of the Technology: The aim of the technology was to improve agricultural production through a combination of measures such as improving soil fertility, increasing soil humidity through covering the soil with plastic sheets and preventing excess water drainage, and protection through a shelterbelt. Resilience to adverse climatic events is enhanced by increasing product diversification with a number of different tree, vegetable and crop species being planted.
Establishment / maintenance activities and inputs: First, the soil had to be washed to reduce the high salt content. Plum, peach, sweet cherry and persimmon tree seedlings were planted in lines with intercropping of potatoes, watermelon, beans and wheat inbetween. The seedlings were purchased from the Kabodion nursery. Labour was provided in the form of "hashar" or voluntary neighbourhood help. On the windward side of the field, a shelterbelt consisting of White Poplar (Populus alba) trees was established to protect the field from wind erosion, and to reduce evapotranspiration. In order to improve soil structure annual crop rotations were practiced. Every 4 years 40 tones of cow dung are spread out per ha of land. The application of organic manure constitutes an important cost factor for the farmer, as 40 tons of manure costs about 180 to 220 USD. To improve soil humidity and to enable early planting for watermelons, cultivation seeds are planted under a tight plastic film with irrigation water filled underneath the sheet. As soon as the seedlings emerge a hole is made in the plastic to create space for the plants. Irrigation is applied only sparingly to prevent the soil from a new rise in salinity. The plot is situated on a gentle slope which facilitated the establishment of a drainage system by digging a trench at the foot of the field to absorb excess water. The farmer was able to cover the costs of this initial investment himself using the revenues from the first harvest. At the foot of this field, salt tolerant Russian Silverberry (Elaeagnus angustifolia) trees were planted to promote biodrainage to help prepare the adjacent land for conversion to agroforestry at a later stage. The farmer gained the knowledge that was necessary for the establishment of the system through attending the farmer field schools (see approach TAJ018).
Natural / human environment: This technology is suitable for other arid environments, and the economic benefits are high compared to the establishment and maintenance costs. When this was realised by the neighbouring farmers they adopted the technology on an area of land that was actually three times larger.
2.3 Photos of the Technology
2.5 Country/ region/ locations where the Technology has been applied and which are covered by this assessment
Country:
Tajikistan
Region/ State/ Province:
Khatlon, Kabodion
Further specification of location:
Khudokulov Jamoat
Map
×2.6 Date of implementation
If precise year is not known, indicate approximate date:
- less than 10 years ago (recently)
2.7 Introduction of the Technology
Specify how the Technology was introduced:
- through projects/ external interventions
3. Classification of the SLM Technology
3.1 Main purpose(s) of the Technology
- reduce, prevent, restore land degradation
3.2 Current land use type(s) where the Technology is applied
Cropland
- Annual cropping
- Tree and shrub cropping
Main crops (cash and food crops):
major food crop: potatoes, wheat, beans, watermelons
Mixed (crops/ grazing/ trees), incl. agroforestry
- Agroforestry
Main products/ services:
major food crop: plum, peach, sweet cherries, persimmons
Comments:
Major land use problems (compiler’s opinion): degradation of vegetation cover, loss of topsoil through wind erosion, poor access to irrigation water,
Major land use problems (land users’ perception): salinity, waterlogging, low soil fertility, low agricultural production
Future (final) land use (after implementation of SLM Technology): Mixed: Mf: Agroforestry
If land use has changed due to the implementation of the Technology, indicate land use before implementation of the Technology:
Other: Oo: Other: wastelands, deserts, glaciers, swamps, recreation areas, etc
3.3 Further information about land use
Water supply for the land on which the Technology is applied:
- full irrigation
Number of growing seasons per year:
- 2
Specify:
Longest growing period in days: 240Longest growing period from month to month: October - May (winter wheat)Second longest growing period in days: 120Second longest growing period from month to month: June-September
3.4 SLM group to which the Technology belongs
- agroforestry
- improved ground/ vegetation cover
- improved plant varieties/ animal breeds
3.5 Spread of the Technology
Specify the spread of the Technology:
- applied at specific points/ concentrated on a small area
Comments:
Total area covered by the SLM Technology is 0.06 m2.
The technology was initially applied on 5.8 ha of denuded land, however, it has been spontaneously adopted by a neighbour who has about 18 ha.
3.6 SLM measures comprising the Technology
agronomic measures
- A1: Vegetation/ soil cover
- A2: Organic matter/ soil fertility
- A3: Soil surface treatment
vegetative measures
- V1: Tree and shrub cover
structural measures
- S3: Graded ditches, channels, waterways
Comments:
Main measures: agronomic measures, vegetative measures
Secondary measures: structural measures
Type of agronomic measures: manure / compost / residues, rotations / fallows, furrows (drainage, irrigation)
Type of vegetative measures: aligned: -along boundary, aligned: -linear
3.7 Main types of land degradation addressed by the Technology
soil erosion by wind
- Et: loss of topsoil
chemical soil deterioration
- Cn: fertility decline and reduced organic matter content (not caused by erosion)
- Cs: salinization/ alkalinization
physical soil deterioration
- Pw: waterlogging
biological degradation
- Bc: reduction of vegetation cover
- Bs: quality and species composition/ diversity decline
water degradation
- Ha: aridification
Comments:
Main type of degradation addressed: Cn: fertility decline and reduced organic matter content, Cs: salinisation / alkalinisation, Pw: waterlogging, Ha: aridification
Secondary types of degradation addressed: Et: loss of topsoil, Bc: reduction of vegetation cover, Bs: quality and species composition /diversity decline
Main causes of degradation: soil management (soils were under irrigation for a long time and had salinity problems), droughts, inputs and infrastructure: (roads, markets, distribution of water points, other, …) (breakdown of irrigation facilities), education, access to knowledge and support services (lack of knowledge about agroforestry), governance / institutional (no freedom to farm)
3.8 Prevention, reduction, or restoration of land degradation
Specify the goal of the Technology with regard to land degradation:
- restore/ rehabilitate severely degraded land
Comments:
Main goals: rehabilitation / reclamation of denuded land
4. Technical specifications, implementation activities, inputs, and costs
4.2 Technical specifications/ explanations of technical drawing
Technical knowledge required for field staff / advisors: moderate
Technical knowledge required for land users: moderate
Main technical functions: control of concentrated runoff: drain / divert, improvement of ground cover, increase in organic matter, increase in nutrient availability (supply, recycling,…), increase of infiltration, reduction in wind speed
Secondary technical functions: increase of biomass (quantity), promotion of vegetation species and varieties (quality, eg palatable fodder)
Manure / compost / residues
Material/ species: organic manure
Quantity/ density: 40 tones
Remarks: ha
Rotations / fallows
Material/ species: annual crop rotation
Furrows (drainage, irrigation)
Material/ species: drainage
Aligned: -along boundary
Vegetative material: T : trees / shrubs
Aligned: -linear
Vegetative material: F : fruit trees / shrubs
Number of plants per (ha): 845
Spacing between rows / strips / blocks (m): 10
Vertical interval within rows / strips / blocks (m): 3
Trees/ shrubs species: Elaeagnus angustifolia (for shelterbelt and fence around plot)
Fruit trees / shrubs species: Diospyros kaki, Prunus avium, Prunus persica, Prunus domestica
Diversion ditch/ drainage
Depth of ditches/pits/dams (m): 1.5
Width of ditches/pits/dams (m): 1
Length of ditches/pits/dams (m): 200
4.3 General information regarding the calculation of inputs and costs
other/ national currency (specify):
SOM
Indicate exchange rate from USD to local currency (if relevant): 1 USD =:
4.5
Indicate average wage cost of hired labour per day:
20.00
4.4 Establishment activities
Activity | Type of measure | Timing | |
---|---|---|---|
1. | Planting of tree seedlings in field and along boundary | Vegetative | early spring |
2. | Digging up irrigation ditch at the foot of the field | Structural |
4.5 Costs and inputs needed for establishment
Specify input | Unit | Quantity | Costs per Unit | Total costs per input | % of costs borne by land users | |
---|---|---|---|---|---|---|
Labour | Planting of tree seedlings | Persons/day | 50.0 | 20.0 | 1000.0 | 100.0 |
Labour | Digging up irrigation ditch | Persons/day | 40.0 | 20.0 | 800.0 | 100.0 |
Equipment | Machine use | ha | 1.0 | 274.0 | 274.0 | |
Equipment | 1.0 | |||||
Plant material | Tree seedlings | pieces | 844.0 | 3.14573 | 2655.0 | |
Total costs for establishment of the Technology | 4729.0 |
4.6 Maintenance/ recurrent activities
Activity | Type of measure | Timing/ frequency | |
---|---|---|---|
1. | Annual crop rotation | Agronomic | |
2. | Application of organic manure | Agronomic | every 4 years |
3. | Cover soil around crops with plastic cover | Agronomic | early planting season |
4. | Tillage | Agronomic | |
5. | Continuous daily irrigation for tree seedlings | Vegetative | daily during hot months |
4.7 Costs and inputs needed for maintenance/ recurrent activities (per year)
Specify input | Unit | Quantity | Costs per Unit | Total costs per input | % of costs borne by land users | |
---|---|---|---|---|---|---|
Labour | Daily irrigation for tree seedlings | Persons/day | 186.0 | 20.0 | 3720.0 | 100.0 |
Fertilizers and biocides | Organic/manure | tons | 40.0 | 25.0 | 1000.0 | |
Construction material | Plastic cover | m | 1.0 | 1.8 | 1.8 | 100.0 |
Other | Tillage | ha | 1.0 | 430.0 | 430.0 | |
Total costs for maintenance of the Technology | 5151.8 |
Comments:
Costs were calculated per ha. Labour costs for irrigation of tree seedlings were calculated assuming that one person has to irrigate daily during 6 months of the year and were included under annual recurring costs.
4.8 Most important factors affecting the costs
Describe the most determinate factors affecting the costs:
The cost of the tree seedlings is the most determinate factor. Labour costs are high if labour has to be paid, however, in this case labour is provided free by the farmer.
5. Natural and human environment
5.1 Climate
Annual rainfall
- < 250 mm
- 251-500 mm
- 501-750 mm
- 751-1,000 mm
- 1,001-1,500 mm
- 1,501-2,000 mm
- 2,001-3,000 mm
- 3,001-4,000 mm
- > 4,000 mm
Specify average annual rainfall (if known), in mm:
100.00
Agro-climatic zone
- arid
Thermal climate class: temperate
5.2 Topography
Slopes on average:
- flat (0-2%)
- gentle (3-5%)
- moderate (6-10%)
- rolling (11-15%)
- hilly (16-30%)
- steep (31-60%)
- very steep (>60%)
Landforms:
- plateau/plains
- ridges
- mountain slopes
- hill slopes
- footslopes
- valley floors
Altitudinal zone:
- 0-100 m a.s.l.
- 101-500 m a.s.l.
- 501-1,000 m a.s.l.
- 1,001-1,500 m a.s.l.
- 1,501-2,000 m a.s.l.
- 2,001-2,500 m a.s.l.
- 2,501-3,000 m a.s.l.
- 3,001-4,000 m a.s.l.
- > 4,000 m a.s.l.
5.3 Soils
Soil depth on average:
- very shallow (0-20 cm)
- shallow (21-50 cm)
- moderately deep (51-80 cm)
- deep (81-120 cm)
- very deep (> 120 cm)
Soil texture (topsoil):
- coarse/ light (sandy)
Topsoil organic matter:
- low (<1%)
If available, attach full soil description or specify the available information, e.g. soil type, soil PH/ acidity, Cation Exchange Capacity, nitrogen, salinity etc.
Soil fertility is low
Soil drainage / infiltration is poor: water logging occurs
Soil water storage capacity is low
5.4 Water availability and quality
Ground water table:
< 5 m
Availability of surface water:
poor/ none
Water quality (untreated):
for agricultural use only (irrigation)
Comments and further specifications on water quality and quantity:
Ground water table: Too high, danger of waterlogging
5.5 Biodiversity
Species diversity:
- low
5.6 Characteristics of land users applying the Technology
Market orientation of production system:
- mixed (subsistence/ commercial
Off-farm income:
- less than 10% of all income
Individuals or groups:
- individual/ household
Level of mechanization:
- manual work
- mechanized/ motorized
Indicate other relevant characteristics of the land users:
Land users applying the Technology are mainly common / average land users
Population density: 50-100 persons/km2
Annual population growth: 2% - 3%
Level of mechanization: Land cultivation is a mixture of mechanisation and manual labour
5.7 Average area of land owned or leased by land users applying the Technology
- < 0.5 ha
- 0.5-1 ha
- 1-2 ha
- 2-5 ha
- 5-15 ha
- 15-50 ha
- 50-100 ha
- 100-500 ha
- 500-1,000 ha
- 1,000-10,000 ha
- > 10,000 ha
Is this considered small-, medium- or large-scale (referring to local context)?
- medium-scale
Comments:
6 ha
5.8 Land ownership, land use rights, and water use rights
Land ownership:
- state
Land use rights:
- individual
Comments:
family Dehkan farm
5.9 Access to services and infrastructure
health:
- poor
- moderate
- good
education:
- poor
- moderate
- good
technical assistance:
- poor
- moderate
- good
employment (e.g. off-farm):
- poor
- moderate
- good
markets:
- poor
- moderate
- good
energy:
- poor
- moderate
- good
roads and transport:
- poor
- moderate
- good
drinking water and sanitation:
- poor
- moderate
- good
financial services:
- poor
- moderate
- good
6. Impacts and concluding statements
6.1 On-site impacts the Technology has shown
Socio-economic impacts
Production
crop production
fodder production
Comments/ specify:
lucerne (alfalfa) production
risk of production failure
Comments/ specify:
diversification
product diversity
production area
Comments/ specify:
before the land was denuded
Socio-cultural impacts
food security/ self-sufficiency
health situation
Comments/ specify:
vitamin-rich fruits are more readily available
SLM/ land degradation knowledge
Comments/ specify:
through participation in farmer field schools
conflict mitigation
Comments/ specify:
jealousy by other land users who would like to cultivate this land now they can see how productive it is
Livelihood and human well-being
Comments/ specify:
Farmer does not need to migrate to Russia anymore to find work, and could afford to buy a house.
Ecological impacts
Water cycle/ runoff
excess water drainage
evaporation
Soil
soil moisture
soil cover
soil compaction
nutrient cycling/ recharge
salinity
soil organic matter/ below ground C
Biodiversity: vegetation, animals
biomass/ above ground C
plant diversity
Climate and disaster risk reduction
wind velocity
6.3 Exposure and sensitivity of the Technology to gradual climate change and climate-related extremes/ disasters (as perceived by land users)
Gradual climate change
Gradual climate change
Season | Type of climatic change/ extreme | How does the Technology cope with it? | |
---|---|---|---|
annual temperature | increase | well |
Climate-related extremes (disasters)
Meteorological disasters
How does the Technology cope with it? | |
---|---|
local rainstorm | well |
local windstorm | well |
Climatological disasters
How does the Technology cope with it? | |
---|---|
drought | not well |
Hydrological disasters
How does the Technology cope with it? | |
---|---|
general (river) flood | not well |
Other climate-related consequences
Other climate-related consequences
How does the Technology cope with it? | |
---|---|
reduced growing period | well |
6.4 Cost-benefit analysis
How do the benefits compare with the establishment costs (from land users’ perspective)?
Short-term returns:
very positive
Long-term returns:
very positive
How do the benefits compare with the maintenance/ recurrent costs (from land users' perspective)?
Short-term returns:
very positive
Long-term returns:
very positive
Comments:
In the beginning the farmer was not sure about the short-term benefits, but he confirmed that even after just two years he received eight times more than what he invested initially.
6.5 Adoption of the Technology
- single cases/ experimental
If available, quantify (no. of households and/ or area covered):
1 household
Of all those who have adopted the Technology, how many have did so spontaneously, i.e. without receiving any material incentives/ payments?
- 10-50%
Comments:
100% of land user families have adopted the Technology with external material support
1 land user families have adopted the Technology with external material support
There is a strong trend towards spontaneous adoption of the Technology
Comments on adoption trend: Already 10 other farmers who noticed the success of this plot, have adopted this technology themselves.
Neighbour applied technologie spontaenously.
6.7 Strengths/ advantages/ opportunities of the Technology
Strengths/ advantages/ opportunities in the land user’s view |
---|
Improved livelihood as revenues are greater than those gained as a seasonal worker in Russia and enough capital produced to buy own house |
Feeling confident about the future |
Improved yields How can they be sustained / enhanced? continue with application of organic manure, soil cover with plastic sheets, crop rotation, integrated pest management etc. |
Strengths/ advantages/ opportunities in the compiler’s or other key resource person’s view |
---|
Greatly increased income opportunity in an arid environment How can they be sustained / enhanced? disseminate knowledge to other farmers in the region |
Diversified system and therefore reduced risk of production failure |
6.8 Weaknesses/ disadvantages/ risks of the Technology and ways of overcoming them
Weaknesses/ disadvantages/ risks in the land user’s view | How can they be overcome? |
---|---|
increased conflicts as land users who used to cultivate this land before and gave up would now like to have the land back. |
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