Tree farming [Uganda]
- Creation:
- Update:
- Compiler: Alex Lwakuba
- Editor: –
- Reviewer: Fabian Ottiger
technologies_988 - Uganda
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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:
Okotel William
Ministry of Agriculture, animal industry and fishery (MAAIF)
Kwarikwar, KUMI District, PO Box 102 Entebbe, Uganda
Uganda
Name of the institution(s) which facilitated the documentation/ evaluation of the Technology (if relevant)
Ministry of Agriculture, Animal Industry, and Fisheries of Uganda (MAAIF) - Uganda1.3 Conditions regarding the use of data documented through WOCAT
When were the data compiled (in the field)?
18/04/2000
The compiler and key resource person(s) accept the conditions regarding the use of data documented through WOCAT:
Yes
2. Description of the SLM Technology
2.1 Short description of the Technology
Definition of the Technology:
the SWC technology entails growing of markhamia lutea trees like food crops involving application of manure and mulch.
2.2 Detailed description of the Technology
Description:
Markhamia lutea are grown in lines in the homestead. They are mulched, prunned and organic manures applied. After 2-3 yrs, harvesting of poles can commerce.
Purpose of the Technology: for addition source of income, windbreak, poles for construction and firewood.
Establishment / maintenance activities and inputs: The trees are free seedlings. Wildlings are picked and planted in rows. They are raised in a nursery before transplanting.
Natural / human environment: technology is located in a semi arid area. It is vegetative involving trees. Soils are sandy loams and are shallow.
2.5 Country/ region/ locations where the Technology has been applied and which are covered by this assessment
Country:
Uganda
Region/ State/ Province:
Kumi
Further specification of location:
Kumi
Map
×2.6 Date of implementation
If precise year is not known, indicate approximate date:
- more than 50 years ago (traditional)
2.7 Introduction of the Technology
Specify how the Technology was introduced:
- as part of a traditional system (> 50 years)
Comments (type of project, etc.):
farmers own intiative, bulding on traditional knowledge
3. Classification of the SLM Technology
3.1 Main purpose(s) of the Technology
- create beneficial economic impact
3.2 Current land use type(s) where the Technology is applied
Cropland
- Annual cropping
- Perennial (non-woody) cropping
Comments:
Major land use problems (compiler’s opinion): declining soil fertility, inadequate rainfall, wind erosion, small land sizes, pest and diseases
Major land use problems (land users’ perception): deforestation, decline in productivity, wind erosion
3.3 Further information about land use
Number of growing seasons per year:
- 2
Specify:
Longest growing period in days: 90 Longest growing period from month to month: Mar - Jun Second longest growing period in days: 85 Second longest growing period from month to month: Sep - Nov
3.4 SLM group to which the Technology belongs
- windbreak/ shelterbelt
- improved ground/ vegetation cover
3.5 Spread of the Technology
Specify the spread of the Technology:
- evenly spread over an area
If the Technology is evenly spread over an area, indicate approximate area covered:
- 1-10 km2
Comments:
Total area covered by the SLM Technology is 10 m2.
technology used by other farmers
3.6 SLM measures comprising the Technology
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)
Comments:
Main type of degradation addressed: Et: loss of topsoil
Secondary types of degradation addressed: Cn: fertility decline and reduced organic matter content
3.8 Prevention, reduction, or restoration of land degradation
Specify the goal of the Technology with regard to land degradation:
- reduce land degradation
4. Technical specifications, implementation activities, inputs, and costs
4.2 Technical specifications/ explanations of technical drawing
Technical knowledge required for field staff / advisors: high
Technical knowledge required for land users: low
Main technical functions: increase of surface roughness
Secondary technical functions: increase in organic matter, wind-break
Vegetative measure: tree planting in rows
Vegetative material: T : trees / shrubs
Number of plants per (ha): 5000
Vertical interval between rows / strips / blocks (m): 0.1
Spacing between rows / strips / blocks (m): 2
Width within rows / strips / blocks (m): 1
Vegetative measure: Vegetative material: T : trees / shrubs
Vegetative measure: Vegetative material: T : trees / shrubs
Vegetative measure: Vegetative material: T : trees / shrubs
Trees/ shrubs species: markhamia lutes
Gradient along the rows / strips: 0.00%
4.4 Establishment activities
Activity | Type of measure | Timing | |
---|---|---|---|
1. | clearing site, land preparation | Vegetative | dry season |
2. | planting of seedling, tending of seedling | Vegetative | rainy season |
3. | manuring | Vegetative | beginning of rainy season |
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 | Labour | ha | 1.0 | 200.0 | 200.0 | 100.0 |
Equipment | Tools | ha | 1.0 | 10.0 | 10.0 | 100.0 |
Plant material | Seedlings | ha | 1.0 | 20.0 | 20.0 | 100.0 |
Total costs for establishment of the Technology | 230.0 |
Comments:
Duration of establishment phase: 12 month(s)
4.6 Maintenance/ recurrent activities
Activity | Type of measure | Timing/ frequency | |
---|---|---|---|
1. | Application of manure from Kraal | Agronomic | beginning of rains / each cropping season |
2. | Beginning of rainy season | Vegetative | dry season/each cropping season |
3. | Application of manure | Vegetative | rainy season /each cropping season |
4. | Mulching | Vegetative | end of rainy season /each cropping season |
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 | Labour | ha | 1.0 | 1685.0 | 1685.0 | 100.0 |
Equipment | Tools | ha | 1.0 | 10.0 | 10.0 | 100.0 |
Total costs for maintenance of the Technology | 1695.0 |
Comments:
Machinery/ tools: hoes, knives
area/size of the planted area
4.8 Most important factors affecting the costs
Describe the most determinate factors affecting the costs:
labour especially for land preparation, hole digging and planting trees
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
Agro-climatic zone
- semi-arid
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):
- medium (loamy, silty)
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: Low
Soil drainage/infiltration: Good
Soil water storage capacity: Low
5.6 Characteristics of land users applying the Technology
Off-farm income:
- > 50% of all income
Relative level of wealth:
- average
- rich
Indicate other relevant characteristics of the land users:
Population density: 100-200 persons/km2
Annual population growth: 3% - 4%
Off-farm income specification: the user is a civil servant
6. Impacts and concluding statements
6.1 On-site impacts the Technology has shown
Socio-economic impacts
Production
wood production
Income and costs
farm income
workload
Comments/ specify:
Hindered farm operations
Socio-cultural impacts
Aestethic value
Ecological impacts
Soil
soil cover
soil loss
Climate and disaster risk reduction
wind velocity
Other ecological impacts
Modification of the environment
6.2 Off-site impacts the Technology has shown
wind transported sediments
6.4 Cost-benefit analysis
How do the benefits compare with the establishment costs (from land users’ perspective)?
Short-term returns:
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
6.5 Adoption of the Technology
If available, quantify (no. of households and/ or area covered):
50 % of area stated
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:
30% of land user families have adopted the Technology without any external material support
70 land user families have adopted the Technology without any external material support
Comments on spontaneous adoption: estimates
There is a strong trend towards spontaneous adoption of the Technology
Comments on adoption trend: national campaign, farmer to farmer interraction
6.7 Strengths/ advantages/ opportunities of the Technology
Strengths/ advantages/ opportunities in the land user’s view |
---|
multiple benefits How can they be sustained / enhanced? train them |
easy to establish and maintain |
Strengths/ advantages/ opportunities in the compiler’s or other key resource person’s view |
---|
easy to establish How can they be sustained / enhanced? empowering landusers with technical skills of nursery establishment and management |
easy to maintain |
multiple benefits |
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? |
---|---|
land cannot be used for other puposes |
Weaknesses/ disadvantages/ risks in the compiler’s or other key resource person’s view | How can they be overcome? |
---|---|
not fit for small parcels of land | intergrate into cropping system |
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