1.2 Detalles de contacto de las personas de referencia e instituciones involucradas en la evaluación y la documentación de la Tecnología

Nombre del proyecto que financió la documentación/ evaluación de la Tecnología (si fuera relevante)

The Transboundary Agro-ecosystem Management Project for the Kagera River Basin (GEF-FAO / Kagera TAMP )

Nombre de la(s) institución(es) que facilitaron la documentación/ evaluación de la Tecnología (si fuera relevante)

Food and Agriculture Organization of the United Nations (FAO) - Italia

1.3 Condiciones referidas al uso de datos documentados mediante WOCAT

¿Cuándo se compilaron los datos (en el campo)?

05/12/2013

El compilador y la/s persona(s) de referencia claves aceptan las condiciones acerca del uso de los datos documentados mediante WOCAT:

Sí

1.5 Referencia al (los) Cuestionario(s) de Enfoques MST

2.1 Breve descripción de la Tecnología

Definición de la Tecnología:

Ficus natalensis based agroforestry system protects crops on windy hill slopes facing Lake Victoria and reduce runoff towards the meandering Kagera River Valley.

2.2 Descripción detallada de la Tecnología

Descripción:

Ficus natalensis is traditionally scattered in crop fields as a land management practice in central and south-western Uganda. The improved technology designed through community participation involves planting lines of Ficus natalensis along the contour at an interval that enables the tree to provide shade to young crops without depriving them of sunshine. When planted together with coffee trees or in banana plantations, the tall Ficus tree forms the top storey that protects the crop from the hot sun.

Purpose of the Technology: The main purpose of Ficus based agroforestry is to protect the soil from erosion. Within 3 to 5 years the Ficus tree forms a deep root system that stabilizes the soil. In addition, it drops leaves which quickly decay to provide both soil cover and manure thereby increasing the fertility of the soil. The trees provide firewood, fodder for livestock and bark cloth which can be used domestically or sold to supplement household income. They also act as wind breaks.

Establishment / maintenance activities and inputs: Ficus Natalensis is propagated using cuttings from young branches which are planted vertically 6 m apart along a contour. Propagation material is readily available and cheap, making the technology inexpensive to establish. Any annual or perennial crop can be inter-cropped with Ficus spp. provided the tree canopy is managed well. The tree is quite robust and can attain heights of over 20m, with a very extensive canopy if left to grow. Pruning raises its canopy to the desired height above the ground. In its early stages, fencing is required to protect the tree from damage by livestock. Within 12 to 18 months, however, the tree is established enough to withstand browsing. Only simple tools like hoes and garden forks for digging holes/pits are essential for establishment of the technology. The implementation of the technology on steep slopes (> 50%) is not possible without other supportive SLM interventions, in Rakai these include construction of stone lines and mulch application.

Natural / human environment: The pruned branches of Ficus natalensis are used as fuel wood when dry. Therefore scarcity of fuel wood may lead to over-harvesting of branches and destroying the canopy. Nonetheless, the tree regenerates quickly with the coming of the rains. Ficus tree can live for a hundred years.

2.3 Fotografías de la Tecnología

2.5 País/ región/ lugares donde la Tecnología fue aplicada y que se hallan comprendidos por esta evaluación

2.6 Fecha de la implementación

Si no se conoce el año preciso, indique la fecha aproximada:

• hace menos de 10 años (recientemente)

2.7 Introducción de la Tecnología

Especifique cómo se introdujo la Tecnología:

• mediante proyectos/ intervenciones externas

Comentarios (tipo de proyecto, etc.):

Agroforestry is a traditional practice but was reintroduced in a better structured, systematic form by organizations like VI-Agroforestry and Kagera TAMP.

3.1 Propósito(s) principal(es) de la Tecnología MST

• reducir, prevenir, restaurar la degradación del suelo
• crear impacto económico benéfico

3.2 Tipo(s) actuales de uso de la tierra donde se aplica la Tecnología

Comentarios:

Major land use problems (compiler’s opinion): Severe deforestation as trees were cut down for firewood, charcoal, timber and for agricultural use;
Overgrazing

Major land use problems (land users’ perception): Prolonged dry weather, destructive rainstorms and declining soil fertility

Type of cropping system and major crops comments: Agro-forestry is used in combination with banana and coffee growing.

3.3 Información adicional sobre el uso de tierras

Provisión de agua para la tierra donde se aplica la Tecnología:

• de secano

Número de temporadas de cultivo por año:

• 2

Especifique:

Longest growing period in days: 120 Longest growing period from month to month: February to May Second longest growing period in days: 120 Second longest growing period from month to month: September to December

3.4 Grupo MST al que pertenece la Tecnología

• agroforestería

3.5 Difusión de la Tecnología

Comentarios:

Total area covered by the SLM Technology is 0.06 m2.

The technology is becoming dominant in Kijonjo parish and other parts of Rakai district especially due to climatic changes that have led to shorter rainy seasons. However, farmers also recognize its potential for soil conservation.

3.6 Medidas MST que componen la Tecnología

Comentarios:

Main measures: vegetative measures

Specification of other agronomic measures: mulching (supp.

Specification of other structural measures: stone lines (supp.

Type of vegetative measures: aligned: -contour

3.7 Principales tipos de degradación del suelo encarados con la Tecnología

Comentarios:

Main type of degradation addressed: Wt: loss of topsoil / surface erosion, Bc: reduction of vegetation cover, Bq: quantity / biomass decline

Main causes of degradation: soil management (Lack of conservation measures), crop management (annual, perennial, tree/shrub) (Over cultivation), deforestation / removal of natural vegetation (incl. forest fires) (Cutting trees for timber and opening up more agricultural land), over-exploitation of vegetation for domestic use (Cutting trees for fuel wood and charcoal), poverty / wealth, education, access to knowledge and support services

Secondary causes of degradation: other natural causes (avalanches, volcanic eruptions, mud flows, highly susceptible natural resources, extreme topography, etc.) specify (Steep and very steep slopes)

3.8 Prevención, reducción o restauración de la degradación del suelo

Especifique la meta de la Tecnología con relación a la degradación de la tierra:

• reducir la degradación del suelo

4.1 Dibujo técnico de la Tecnología

4.2 Especificaciones técnicas/ explicaciones del dibujo técnico

A diagram showing Ficus spp. trees planted to provide shade to coffee trees.

Location: Kijonjo B. village. Rakai

Date: 2013-12-05

Technical knowledge required for field staff / advisors: moderate (Knowledge of which trees will do well with the crops to be cultivated)

Technical knowledge required for land users: low (Land user dedication and a little guidance is enough for the implementation of the technology.)

Main technical functions: control of raindrop splash, control of dispersed runoff: impede / retard, improvement of ground cover, stabilisation of soil (eg by tree roots against land slides), reduction in wind speed, spatial arrangement and diversification of land use

Secondary technical functions: increase in organic matter, increase in nutrient availability (supply, recycling,…), increase of infiltration, increase / maintain water stored in soil, sediment retention / trapping, sediment harvesting, increase of biomass (quantity)

Aligned: -contour
Vegetative material: T : trees / shrubs
Number of plants per (ha): 250
Vertical interval between rows / strips / blocks (m): 20m
Spacing between rows / strips / blocks (m): 2m
Vertical interval within rows / strips / blocks (m): 2m
Width within rows / strips / blocks (m): 20m

Trees/ shrubs species: Ficus natalensis (also serves as perennial fodder), planted in the field using stem cuttings

Perennial crops species: Robusta coffee planted using seedlings bought from specialized nurseries

Slope (which determines the spacing indicated above): 35%

4.3 Información general sobre el cálculo de insumos y costos

otra / moneda nacional (especifique):

Ushs

Indique la tasa de cambio de USD a la moneda local (si fuese relevante): 1 USD =:

2500,0

4.4 Actividades de establecimiento

	Actividad	Tipo de medida	Momento
1.	Sourcing planting materials	Vegetativas	Beginning of rains
2.	Making pits	Vegetativas	Beginning of rains
3.	Planting cuttings	Vegetativas	Wet season
4.	Spot weeding	Vegetativas	Wet season

4.5 Costos e insumos necesarios para el establecimiento

	Especifique insumo	Unidad	Cantidad	Costos por unidad	Costos totales por insumo	% de los costos cubiertos por los usuarios de las tierras
Mano de obra	Sourcing planting materials	ha	1,0	30,0	30,0	100,0
Mano de obra	Making pits	ha	1,0	30,0	30,0	100,0
Mano de obra	Planting cuttings	ha	1,0	8,0	8,0
Mano de obra	Spot weeding	ha	1,0	8,0	8,0
Equipo	2 panga	ha	1,0	8,0	8,0	100,0
Equipo	2 hoes	ha	1,0	8,0	8,0	100,0
Material para plantas	Cuttings (500 stern cuttings)	ha	1,0	30,0	30,0
Costos totales para establecer la Tecnología					122,0

Comentarios:

Duration of establishment phase: 2 month(s)

4.6 Actividades de establecimiento/ recurrentes

	Actividad	Tipo de medida	Momento/ frequencia
1.	Spot weeding	Vegetativas	twice a year
2.	Pruning	Vegetativas	Wet season
3.	Removing and processing the bark into bark cloth	Vegetativas	Once in 2 years

4.7 Costos e insumos necesarios para actividades de mantenimiento/ recurrentes (por año)

	Especifique insumo	Unidad	Cantidad	Costos por unidad	Costos totales por insumo	% de los costos cubiertos por los usuarios de las tierras
Mano de obra	Spot weeding	ha	1,0	8,0	8,0	100,0
Mano de obra	Pruning	ha	1,0	8,0	8,0
Mano de obra	Removing and processing the bark into bark cloth	ha	1,0	14,0	14,0
Equipo	1 panga	ha	1,0	4,0	4,0	100,0
Equipo	1 hoe	ha	1,0	4,0	4,0
Indique los costos totales para mantenecer la Tecnología					38,0

Comentarios:

Machinery/ tools: The technology only requires simple tools like hoes and pangas.

The costs were calculated for wind breaks and optimum canopy after establishment. Calculations were done in December 2013, considering activities of the previous (September-November) wet season.

4.8 Factores más determinantes que afectan los costos:

Describa los factores más determinantes que afectan los costos:

The most important factor affecting cost is labor to transport the bulky stem cuttings to the site. However, Ficus Natalensis is easy to establish and is durable (over 100 years) depending on management. It is extremely hardy and when it grows to 50cm to 100cm stem diameter it can be used for timber or to make dugout canoes. Establishment costs are easily recovered.

5.1 Clima

5.2 Topografía

Indique si la Tecnología se aplica específicamente en:

• situaciones convexas

Comentarios y especificaciones adicionales sobre topografía :

Altitudinal zone: 1001-1500 m a.s.l (1269-1310m a.s.l.)
Slopes on average: Steep (ranked 1, while technology is good for all kind of slope, the description given here is for a steep slope) and hilly (ranked 2)

5.3 Suelos

Si se halla disponible, adjunte una descripción completa de los suelos o especifique la información disponible, por ej., tipo de suelo, pH/ acidez de suelo, capacidad de intercambio catiónico, nitrógeno, salinidad, etc. :

Soil depth on average: Shallow (ranked 1) and very shallow (ranked 2). The technology has also adopted to moderate to deep soils to support root development of trees.
Soil texture: Coarse/light (ranked 1, 70% of the soil in the area is sandy) and medium (ranked 2, 20% of the soil is loamy)
Soil fertility: Medium
Topsoil organic matter: Medium (the organic matter is medium but has improved with agroforestry)
Soil drainage/infiltration: Good (soils are manly sandy)
Soil water storage capacity: Low (soils are predominantly sandy)

5.4 Disponibilidad y calidad de agua

Comentarios y especificaciones adicionales sobre calidad y cantidad de agua:

Ground water table: 5-50 m (The technology does best in soils with ground table of 5-50m to enable root developement)
Availability of surface water: Poor/none (ranked 1, there is no surface water in dry season) and medium (ranked 2, some, in the wet season)
Water quality (untreated): Poor drinking water (treatement required, from unprotected source in swamps)

5.5 Biodiversidad

Comentarios y especificaciones adicionales sobre biodiversidad:

While the surrounding valleys below are swampy and very rich in biodiversity, only a fraction remains at the slopes due to destruction of habitats.

5.6 Las características de los usuarios de la tierra que aplican la Tecnología

Indique otras características relevantes de los usuarios de las tierras:

Land users applying the Technology are mainly common / average land users
Difference in the involvement of women and men: n/a
Population density: 100-200 persons/km2
Annual population growth: 1% - 2%
21% of the land users are rich and own 57% of the land (Business men.).
63% of the land users are average wealthy and own 34% of the land (Teachers).
16% of the land users are poor and own 9% of the land (orphans and widows.).
Off-farm income specification: There is a difference in income levels between those who have implemented the technology and those who have not.
Level of mechanization: Manual work (only manual labour is used-casual labourers)
Market orientation: Subsistence (ranked 1, most produce is for home consumption only surplus is sold) and mixed (ranked 2)

5.7 Área promedio de la tierra que pertenece a o es arrendada por usuarios de tierra que aplican la Tecnología

5.8 Tenencia de tierra, uso de tierra y derechos de uso de agua

Tenencia de tierra:

• individual, sin título
• individual, con título

Derechos de uso de tierra:

• individual

Derechos de uso de agua:

• acceso abierto (no organizado)

Comentarios:

Most land users have access to untittled land and have open access to water.

5.9 Acceso a servicios e infraestructura

6.1 Impactos in situ demostrados por la Tecnología

Impactos socioeconómicos

Producción

Ingreso y costos

Impactos socioculturales

Impactos ecológicos

Ciclo de agua/ escurrimiento de sedimento

Suelo

Biodiversidad: vegetación, animales

Reducción de riesgos de desastres y riesgos climáticos

Otros impactos ecológicos

6.2 Impactos fuera del sitio demostrados por la Tecnología

6.3 Exposición y sensibilidad de la Tecnología al cambio climático gradual y a extremos relacionados al clima/ desastres (desde la percepción de los usuarios de tierras)

Cambio climático gradual

Cambio climático gradual

	Estación	tipo de cambios climáticos/ climas extremos	¿Cómo es que la tecnología soporta esto?
temperatura anual		incrementó	bien

Extremos (desastres) relacionados al clima

Desastres climatológicos:

	¿Cómo es que la tecnología soporta esto?
tormenta de lluvia local	no se sabe
tormenta de viento	bien

Desastres climatológicos

	¿Cómo es que la tecnología soporta esto?
sequía	bien

Desastres hidrológicos

	¿Cómo es que la tecnología soporta esto?
inundación general (río)	no se sabe

Otras consecuencias relacionadas al clima

Otras consecuencias relacionadas al clima

	¿Cómo es que la tecnología soporta esto?
periodo reducido de crecimiento	bien

6.4 Análisis costo-beneficio

¿Cómo se comparan los beneficios con los costos de establecimiento (desde la perspectiva de los usuarios de tierra)?

¿Cómo se comparan los beneficios con los costos de mantenimiento/ recurrentes (desde la perspectiva de los usuarios de tierra)?

Comentarios:

The costs for both establishment and maintenance are a small fraction of the benefits accruing from the technology.

6.5 Adopción de la Tecnología

Si tiene la información disponible, cuantifique (número de hogares y/o área cubierta):

8

De todos quienes adoptaron la Tecnología, ¿cuántos lo hicieron espontáneamente, es decir, sin recibir incentivos/ pagos materiales?

• 90-100%

Comentarios:

100% of land user families have adopted the Technology without any external material support

8 land user families have adopted the Technology without any external material support

Comments on spontaneous adoption: There is spontaneous adoption of the technology as it builds on traditional farming practices in the area.

There is a strong trend towards spontaneous adoption of the Technology

Comments on adoption trend: High demand for shade-grown coffee and bananas in addition to the highly valued bark cloth used in art and crafts has increased farmer appreciation.

6.7 Fuerzas/ ventajas/ oportunidades de la Tecnología

Fuerzas/ ventajas/ oportunidades desde la perspectiva del usuario de la tierra
Ficus is used to provide backcloth that is sold for the making of Art and crafts and for cultural functions. How can they be sustained / enhanced? Management to accelerate healing of the bark within a shorter period should be investigated
Trees shield crops from dangerous storms /rains and intense sunshine. How can they be sustained / enhanced? Encourage the spread of the canopy
Ficus is good and attractive to birds and insects How can they be sustained / enhanced? Provision of material support in form of seedlings, farm tools for accelerated multiplication
Ficus natalensis leaves are cut and fed to livestock like goats. How can they be sustained / enhanced? Encourage indeginous trees and growing fodder crops such as calliandra and nappier grass

Fuerzas/ ventajas/ oportunidades desde la perspectiva del compilador o de otra persona de referencia clave
Demand for wood fuel is high How can they be sustained / enhanced? Local bye laws should be enacted to control deforestation and encourage tree growing
It improves soil fertility-Ficus natalensis sheds leaves once every year, adding to soil humus. How can they be sustained / enhanced? More guidance should be given to the farmers for sustained spontaneous adoption of the technology
It checks the speed of wind thereby protecting crops. How can they be sustained / enhanced? Other agricultural, ecological and social benefits could be explored in this scenic area facing the Kagera River where it enters Lake Victoria
Stakes made from the Ficus branches can be used to grow climbing plants eg. passion fruits, yams as well as climbing beans How can they be sustained / enhanced? More tree planting should be encouraged
Prevents soil erosion by checking raindrop splash, speed and amount of surface runoff and stabilizes the soil. How can they be sustained / enhanced? Because the ficus tree takes time to establish, other technologies such as trenches and grass strips could be used to reinforce it

6.8 Debilidades/ desventajas/ riesgos de la Tecnología y formas de sobreponerse a ellos

Debilidades/ desventajas/ riesgos desde la perspectiva del usuario de la tierra	¿Cómo sobreponerse a ellas?
The trees can hinder crops from light if canopy is dense	Prune periodically to enable other crops access to light
Some trees can fall especially during heavy and stormy rains, damaging plants and animals.	cutting excessive branches to reduce the load borne by trees.
Trees can attract lightening ,which destroys plants and animals.	Avoid putting animals under tall trees.

Debilidades/ desventajas/ riesgos desde la perspectiva del compilador o de otra persona de referencia clave	¿Cómo sobreponerse a ellas?
Some tree species especially with short roots , compete with crops for nutrients.	Planting tree species with deep roots to avoid competition for nutrients.
It is a home for weaver birds and caterpillars.	Use scarecrows and biological control.

7.2 Vínculos a las publicaciones disponibles

Título, autor, año, ISBN:

Kagera TAMP project website

¿Dónde se halla disponible? ¿Costo?

http://www.fao.org/nr/kagera/en/