Technologies

Cultivos en terrazas [Ecuador]

Cultivos en terrazas

technologies_3277 - Ecuador

Completeness: 90%

1. General information

1.2 Contact details of resource persons and institutions involved in the assessment and documentation of the Technology

Key resource person(s)

land user:

Ecuador

co-compiler:
Name of project which facilitated the documentation/ evaluation of the Technology (if relevant)
Decision Support for Mainstreaming and Scaling out Sustainable Land Management (GEF-FAO / DS-SLM)
Name of the institution(s) which facilitated the documentation/ evaluation of the Technology (if relevant)
Ministerio de Ambiente y Agua Ecuador (MAAE) - Ecuador
Name of the institution(s) which facilitated the documentation/ evaluation of the Technology (if relevant)
Ministerio de Agricultura y Ganadería Ecuador (MAG) - Ecuador
Name of the institution(s) which facilitated the documentation/ evaluation of the Technology (if relevant)
Organización de la Naciones Unidas para la Alimentación y la Agricultura Ecuador (FAO Ecuador) - Ecuador

1.3 Conditions regarding the use of data documented through WOCAT

When were the data compiled (in the field)?

20/11/2018

The compiler and key resource person(s) accept the conditions regarding the use of data documented through WOCAT:

Ja

1.4 Declaration on sustainability of the described Technology

Is the Technology described here problematic with regard to land degradation, so that it cannot be declared a sustainable land management technology?

Nee

2. Description of the SLM Technology

2.1 Short description of the Technology

Definition of the Technology:

Los cultivos en terrazas son una técnica agrícola de manejo y conservación del suelo originaria de los pueblos andinos. Consiste en cortar el perfil de una pendiente (paisaje montañoso) de manera escalonada para, en el suelo horizontal resultante, sembrar (hortalizas, arbustos o arboles) y cultivar especies agrodiversas que se den en la zona.

2.2 Detailed description of the Technology

Description:

Esta tecnología consiste en la siembra de pastos o arbustos en hileras que tienen la característica de tener las raíces profundas que les permiten sostener la tierra que se desliza por la pendiente y labores culturales que realizan en el terreno, las hileras de pastos o arbustos deben ser sembradas con curvas de nivel con un distanciamiento desde los 5 hasta los 20 m dependiendo de la pendiente. La erosión de los suelos es considerada uno de los problemas ambientales más significativos del sector rural, asimismo, dicha problemática está asociada a una disminución de la productividad y eficiencia de los suelos, provocada por una baja retención tanto del agua como del suelo, cuya tendencia a escurrir se manifiesta en mayor medida en terrenos con pendientes pronunciadas. La incorporación de las técnicas de conservación de aguas y suelos demanda un importante esfuerzo técnico y económico, por lo que los conocimientos referentes a esta temática y los estudios que se han realizado al respecto, son escasos. Este esfuerzo, está dirigido a pequeños propietarios agrícolas y forestales de sectores semiáridos de nuestro país, y que tiene por objetivo el ofrecer nuevas tecnologías de conservación de aguas y suelos, que permitan actuaciones más acordes con el medio ambiente físico y social y que hagan posible acercarse hacia un desarrollo sostenible.

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:

Ecuador

Region/ State/ Province:

Provincia de Chimborazo

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:
  • through land users' innovation
  • as part of a traditional system (> 50 years)

3. Classification of the SLM Technology

3.1 Main purpose(s) of the Technology

  • improve production
  • reduce, prevent, restore land degradation
  • conserve ecosystem
  • reduce risk of disasters
  • create beneficial economic impact
  • create beneficial social impact

3.2 Current land use type(s) where the Technology is applied

Cropland

Cropland

  • Perennial (non-woody) cropping
  • Tree and shrub cropping
Mixed (crops/ grazing/ trees), incl. agroforestry

Mixed (crops/ grazing/ trees), incl. agroforestry

  • Agroforestry
  • Agro-pastoralism

3.3 Further information about land use

Water supply for the land on which the Technology is applied:
  • mixed rainfed-irrigated
Number of growing seasons per year:
  • 2

3.4 SLM group to which the Technology belongs

  • agroforestry
  • integrated soil fertility management
  • irrigation management (incl. water supply, drainage)

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:
  • < 0.1 km2 (10 ha)

3.6 SLM measures comprising the Technology

structural measures

structural measures

  • S1: Terraces

3.7 Main types of land degradation addressed by the Technology

soil erosion by water

soil erosion by water

  • Wt: loss of topsoil/ surface erosion
  • Wm: mass movements/ landslides
  • Wr: riverbank erosion
physical soil deterioration

physical soil deterioration

  • Pc: compaction
  • Pk: slaking and crusting
biological degradation

biological degradation

  • Bq: quantity/ biomass decline
  • Bl: loss of soil life

3.8 Prevention, reduction, or restoration of land degradation

Specify the goal of the Technology with regard to land degradation:
  • prevent land degradation
  • reduce land degradation

4. Technical specifications, implementation activities, inputs, and costs

4.1 Technical drawing of the Technology

Author:

Leonardo Jaramillo

Date:

25/06/2020

4.2 Technical specifications/ explanations of technical drawing

Para construir una terraza se la debe mantener a nivel con una regla en A.
Se pueden construir soportes de piedra, o únicamente se lo deja con el talud de tierra.
La distancia entre las terrazas depende, en muchos de los casos, de los cultivos que se van a sembrar. Generalmente tinene 1 metro de ancho y entre cultivos, si son hortalizas, se siembra de 20 a 30 cm entre cada planta.
Las terrazas son una manera excelente de aumentar el área cultivable de un huerto familiar a largo plazo.

4.3 General information regarding the calculation of inputs and costs

Specify how costs and inputs were calculated:
  • per Technology unit
Specify unit:

cultivos en terrazas

Specify volume, length, etc. (if relevant):

2500 metros cuadrados

Specify currency used for cost calculations:
  • US Dollars
Indicate average wage cost of hired labour per day:

15

4.4 Establishment activities

Activity Type of measure Timing
1. Limpieza de terreno Vegetative inicio
2. Transporte de materiales Structural logistica
3. Preparación de terreno Agronomic implementación
4. Siembra de pasto o arbustos Agronomic implementación
5. Riego y mantenimiento ( 6 meses) Management implementación
Comments:

Un jornal equivale a un día de trabajo pagado a razón de 15 dólares.

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 Limpieza de terreno jornal 4.0 15.0 60.0 100.0
Labour Transporte de materiales jornal 3.0 15.0 45.0 20.0
Labour Preparación de terreno jornal 40.0 15.0 600.0 50.0
Labour Siembra de pasto o arbustos jornal 3.0 15.0 45.0 100.0
Equipment Riego y mantenimiento jornal 10.0 15.0 150.0 100.0
Equipment Semilla de pasto kg 3.0 15.0 45.0 100.0
Equipment Pala unidad 2.0 10.0 20.0 100.0
Equipment Barreta unidad 2.0 10.0 20.0 100.0
Equipment Vehiculo flete 2.0 15.0 30.0 100.0
Plant material Arboles frutales planta 25.0 3.0 75.0
Plant material Semillas de hortaliza kit 5.0 10.0 50.0
Total costs for establishment of the Technology 1140.0

4.6 Maintenance/ recurrent activities

Activity Type of measure Timing/ frequency
1. Limpieza Management mensual
2. Acondicionamiento de terrazas Structural mensual

4.7 Costs and inputs needed for maintenance/ recurrent activities (per year)

If possible, break down the costs of maintenance according to the following table, specifying inputs and costs per input. If you are unable to break down the costs, give an estimation of the total costs of maintaining the Technology:

219.0

Specify input Unit Quantity Costs per Unit Total costs per input % of costs borne by land users
Labour Limpieza Jornal 6.0 15.0 90.0 100.0
Labour Acondicionamiento de terrazas jornal 10.0 15.0 150.0 100.0
Equipment Machete machete 2.0 10.0 20.0 100.0
Equipment Pala pala 2.0 10.0 20.0 100.0
Total costs for maintenance of the Technology 280.0

4.8 Most important factors affecting the costs

Describe the most determinate factors affecting the costs:

El factor más determinante en esta técnica es la mano de obra.

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
  • 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.
Indicate if the Technology is specifically applied in:
  • concave situations

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)
  • fine/ heavy (clay)
Soil texture (> 20 cm below surface):
  • coarse/ light (sandy)
  • fine/ heavy (clay)
Topsoil organic matter:
  • medium (1-3%)

5.4 Water availability and quality

Ground water table:

on surface

Availability of surface water:

medium

Water quality (untreated):

for agricultural use only (irrigation)

Is water salinity a problem?

Nee

Is flooding of the area occurring?

Nee

5.5 Biodiversity

Species diversity:
  • medium
Habitat diversity:
  • medium

5.6 Characteristics of land users applying the Technology

Sedentary or nomadic:
  • Sedentary
Market orientation of production system:
  • mixed (subsistence/ commercial
Off-farm income:
  • less than 10% of all income
Relative level of wealth:
  • poor
Individuals or groups:
  • individual/ household
Level of mechanization:
  • manual work
Gender:
  • women
  • men
Age of land users:
  • middle-aged
  • elderly

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)?
  • small-scale

5.8 Land ownership, land use rights, and water use rights

Land ownership:
  • individual, not titled
  • individual, titled
Land use rights:
  • leased
  • individual
Water use rights:
  • leased
  • individual

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

decreased
increased
Comments/ specify:

La producción de los cultivos en terrazas se incrementa debido al uso eficiente del agua.

crop quality

decreased
increased
Comments/ specify:

La calidad se incrementa por las condiciones de espacio dispuestas en la ladera, considerando pendiente.

risk of production failure

increased
decreased

production area

decreased
increased
Income and costs

farm income

decreased
increased

Socio-cultural impacts

food security/ self-sufficiency

reduced
improved

Ecological impacts

Water cycle/ runoff

surface runoff

increased
decreased
Climate and disaster risk reduction

landslides/ debris flows

increased
decreased

6.2 Off-site impacts the Technology has shown

water availability

decreased
increased
Comments/ specify:

Se realiza infiltración y mejor distribución del agua.

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 rainfall increase well

Climate-related extremes (disasters)

Hydrological disasters
How does the Technology cope with it?
landslide very well

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:

positive

Long-term returns:

very positive

6.5 Adoption of the Technology

  • single cases/ experimental

6.6 Adaptation

Has the Technology been modified recently to adapt to changing conditions?

Nee

6.7 Strengths/ advantages/ opportunities of the Technology

Strengths/ advantages/ opportunities in the compiler’s or other key resource person’s view
Las terrazas permiten sostener la tierra que se desliza por la pendiente y labores culturales que realizan en el terreno.

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?
Deslizamientos Cálculo adecuado del tamaño del bancal teniendo en cuenta el porcentaje de pendiente.
Weaknesses/ disadvantages/ risks in the compiler’s or other key resource person’s view How can they be overcome?
Demanda un importante esfuerzo técnico y económico

7. References and links

7.1 Methods/ sources of information

  • field visits, field surveys

8

  • interviews with SLM specialists/ experts

4

7.3 Links to relevant information which is available online

URL:

http://www.fao.org/americas/en/

URL:

http://www.fao.org/americas/en/

Links and modules

Expand all Collapse all

Modules