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)

Book project: where people and their land are safer - A Compendium of Good Practices in Disaster Risk Reduction (DRR) (where people and their land are safer)

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

HELVETAS (Swiss Intercooperation)

1.3 Condiciones referidas al uso de datos documentados mediante WOCAT

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

05/10/2016

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

Sí

1.4 Declaración de la sostenibilidad de la Tecnología descrita

¿La Tecnología aquí descrita resulta problemática en relación a la degradación de la tierra, de tal forma que no puede considerársela una tecnología sostenible para el manejo de la tierra?

No

Comentarios:

Context specific environmentally friendly technology

2.1 Breve descripción de la Tecnología

Definición de la Tecnología:

Floating Garden is a traditional technology, practiced in the southern parts of Bangladesh locally called “Baira” or “Dhap”. The technology allows producing crops, vegetables and seedlings in areas where farming land is scarce and where the land is flodded or water logged for more than six months in a year.

2.2 Descripción detallada de la Tecnología

Descripción:

Floating gardensa are a traditional practice in south central districts of Bangladesh since long time, and has been promoted by government extension agency and development organizations in different parts of the country with technical improvements. With this technology, crops (mainly vegetables) are cultivated on floating garden beds in areas where the land inundated for more than six months in a year.
Establishment:
The basic input and main raw material to prepare the floating garden bed are water hyacinths (Eichhornia crassipes). In some cases bamboo sticks are also used to make the floating beds more resistant. The floating gardens are of different size, with a standard size per bed during preparation of 1.5 - 1.8 meter wide, 10 -11 meter long and 1 - 1.3 meter above water level. However, considering local context- such as wave action, size of water body, presence of a wetland - the bed size may vary, also depending on whether compost is added on the top. The establishment of the floating gardens are very cheap in terms of raw material and require mainly human manual labour for its establishment, without material costs for maintenance.
The garden can be used for two purposes: for vegetable production and for vegetable seedling production.
In water logged areas (where water remains for the whole year) floating beds are mainly used for vegetable production. Almost any type of vegetables can be grown in the floating bed. Production of leafy vegetables proofed to be most profitable. In addition, all types of vegetable seedlings and rice seedlings can produced in floating garden based on demand. In other areas, which are only inundated temporarily, floating garden can be used for both vegetable and seedling production. In this second case seedlings can be transfered from the garden to the fields on the main land immediately after receding of the water. This practice can save 2 to 3 weeks time of vegetable or rice production in winter season. This is a crucial advantage considering the trend to shorter growing periods due to unpredictable early spring rains.
A key advantage of floating gardening is the fact that heavy rainfalls usually do not have any negative effect on culture of the floating gardens, which are a highly effective and beneficial risk reduction and climate change mitigation technology. Floating gardens can further contribute to food security and improved nutrition for poor households, and it is a source for additional income by making use of cheap and abundant local input resources. Different NGOs improved and promoted this technology in north-west and north-east parts of Bangladesh since 2000. Since 2011 also the public agricultural extension agencies promote this technology.
As an overall goal this technology aims at protecting people’s assets for agricultural production from damages due to seasonal floods and provide options for alternative income resources. The floating garden technology is designed as measure to protect effectively from yearly floods. It might not be robust enough for extreme events with heavy storms and waves. Smaller repairing can be done by the owners themselves. In case of major damages the beds can be replaced by new ones, since the investment costs are very low. In the shallow areas the floating beds may become ordinary garden beds or fields during dry season.

2.3 Fotografías de la Tecnología

2.4 Videos 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.):

The technology was first piloted through implementation of “Livelihoods, Empowerment and Agroforestry (LEAF)” project. Later on, the technology was expanded through implementation of “Agricultural Innovation for Eliminating Extreme Poverty” (AIEEP 2009-2012) and through Unnoti -Prosperity in Haor project (2013-2016).

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

• mejorar la producción
• reducir el riesgo de desastres naturales
• adaptarse al cambio climático/ extremos climáticos y sus impactos
• crear impacto económico benéfico
• crear impacto social benéfico

• improve household food security / nutrition

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

Si el uso de la tierra ha cambiado debido a la implementación de la Tecnología, indique el uso de la tierra antes de la implementación de la Tecnología.

earlier these wetland areas were mainly fallow (not used for any productive purpose). During monsoon season, the waterbodies naturally count on fish reserves, which are captures by local farmers including landless poor. Water hyacinth of these wetlands were partially used as fodder, though most of it was decomposed naturally without use.

3.3 Información adicional sobre el uso de tierras

otra (ej. post-inundación):

• post-flooding

Comentarios:

Floating gardens are prepared on the water body, hence can absorb sufficient water without additional irrigation.

Número de temporadas de cultivo por año:

• 2

Especifique:

Winter and early Summer

3.4 Grupo MST al que pertenece la Tecnología

• cobertura de suelo/ vegetal mejorada
• protección/manejo de humedales
• jardines domésticos

3.5 Difusión de la Tecnología

Especifique la difusión de la Tecnología:

• aplicada en puntos específicos/ concentrada en un área pequeña

3.6 Medidas MST que componen la Tecnología

Comentarios:

floating beds, which are adapted to changing water levels (floods).
change of land/water management from pure wetlands to gardens.

3.7 Principales tipos de degradación del suelo encarados con la Tecnología

Comentarios:

More frequent and severe seasonal floodings

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
• adaptarse a la degradación del suelo

Comentarios:

The technology is used to adapt to natural seasonal flooding, to prevent damages caused by floods by using wet lands for crop production.

4.1 Dibujo técnico de la Tecnología

4.2 Especificaciones técnicas/ explicaciones del dibujo técnico

• Dimensions: The floating beds are of different size. Standard size at the time of preparation 1.5 - 1.8 meter wide, 10-11 meter long and 1.0-1.3 meter height.
• Floating beds should not cover more than 30% area of the respective water body (wetland area) in order to keep enabling environment for other aquatic resources (e.g. fishes).
• Construction material used: The basic and main ingredient/material for the preparation of the floating garden are water hyacinths (Eichhornia crassipes). In some cases, bamboo sticks are also used to increase its resistance. If available, composts may be applied on the top of floating beds, though not compulsory.

4.3 Información general sobre el cálculo de insumos y costos

Especifique cómo se calcularon los costos e insumos:

• por área de Tecnología

otra / moneda nacional (especifique):

BDT

4.4 Actividades de establecimiento

	Actividad	Tipo de medida	Momento
1.	Bed preparation (by hired labour)	Estructurales	August-September
2.	Seeding, care and maintenance, harvesting	Agronómicas	September-March

Comentarios:

After full harvesting of vegetable in March, the bed (decomposed water hyacinth) can be used as organic compost for other crops in cultivable land.

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	Hired labour cost for bed establishment	persons day	10,0	300,0	3000,0
Mano de obra	Bed management cost (seeing, care, harvest ect.)	persons day	90,0	300,0	27000,0	100,0
Material para plantas	Seeds per year	kg	25,0	100,0	2500,0	100,0
Material de construcción	Bamboo	bamboo quantity	2,0	100,0	200,0
Material de construcción	Rope and lubricants	lumpsum	1,0	250,0	250,0
Costos totales para establecer la Tecnología					32950,0

4.6 Actividades de establecimiento/ recurrentes

Comentarios:

No maintenance required

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

Comentarios:

No specific maintenance costs during the year/season required. Small repairments are part of the labour costs of agronomic mesures to be done in paralele with care work.

4.8 Factores más determinantes que afectan los costos:

Describa los factores más determinantes que afectan los costos:

In case the inputs, mainly water hyacinths, are not available at the selected sites, this increases the material and/or labour costs for hyacinths to be transported from distant locations.
All indicated costs refer to yearly costs, since the beds ususally have to be restablished every year.

5.1 Clima

5.2 Topografía

Indique si la Tecnología se aplica específicamente en:

• situaciones cóncavas

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. :

Not applicable for this technology as floating bed prepare on surface of water body

5.4 Disponibilidad y calidad de agua

¿La salinidad del agua es un problema?

No

¿Se está llevando a cabo la inundación del área? :

Sí

Frecuencia:

frecuentemente

Comentarios y especificaciones adicionales sobre calidad y cantidad de agua:

Each year seasonal monsoon flooding. However, early flash (pre monsoon flood) occur only every 3 years.

5.5 Biodiversidad

Comentarios y especificaciones adicionales sobre biodiversidad:

Water bodies are rich with diverse aquatic organisms

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

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

Derechos de uso de agua:

• acceso abierto (no organizado)
• individual

Comentarios:

The farmers establish floating gardens in public water body and in private water body (with verbal agreement of water body owners).

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

Biodiversidad: vegetación, animales

Reducción de riesgos de desastres y riesgos climáticos

6.2 Impactos fuera del sitio demostrados por la Tecnología

Comentarios acerca de la evaluación del impacto:

No specific research have been made on off-site and environmental impact of the floating garden technology.

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)

Extremos (desastres) relacionados al clima

Desastres hidrológicos

	¿Cómo es que la tecnología soporta esto?
inundación general (río)	bien
inundación repentina	muy bien

Otros extremos (desastres) relacionados al clima

otros (especifique)	¿Cómo es que la tecnología soporta esto?
increasingly unpredictable start and duration of monsoon/rainy season, floods	moderadamente

Otras consecuencias relacionadas al clima

Otras consecuencias relacionadas al clima

	¿Cómo es que la tecnología soporta esto?
período extendido de crecimiento	bien

Comentarios:

with the effect of climate change monsoon have become more impredictable: starting sooner, ending later.
The techology allows to plant and grow seedlings already before the end of rainy season, and can therefor mantain or even extend the growing period.

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:

Considering only one season - particualrly for intensive raining seasons - the gardens have positive benefits.
Considering a longer time period with less intensive rainy seasons, the fact that the bed ususally have to be reestablished every year might require an important work from a land user's perspective (therefore rate with slightly less benefits)

6.5 Adopción de la Tecnología

• 1-10%

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

about 1000

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

• 10-50%

6.6 Adaptación

¿La tecnología fue modificada recientemente para adaptarse a las condiciones cambiantes?

No

6.7 Fuerzas/ ventajas/ oportunidades de la Tecnología

Fuerzas/ ventajas/ oportunidades desde la perspectiva del usuario de la tierra
In the Haor area’ (local wetland ecosystem flooded during monsoon season) water hyacinths are naturally abundant. These are the basis and substrate for floating gardens. Hence, the technology makes use of local plants as resorces, as substrate of the floating garden. If required, floating bed can easily moved from one location to another. After preparation of the bed, no additional hard labour is required.
There is hardly pest infestation, therefore no use of pesticides is required.
After final harvest, the beds are used as organic compost for the fields. Further, the farmers either can sell or use the substrate of the garden as compost.
This simple technology and can easily be replicated.
During heavy rainfalls and storms, the crop are not damaged by floods since on a floating surface.

Fuerzas/ ventajas/ oportunidades desde la perspectiva del compilador o de otra persona de referencia clave
Through this technology, crops can be produced on the water surface. The usually abundant water hyacinth are used as a productive resource, which increases the surface for crop production. In contexts, such as Bangladesh, where land resources are scarce this opens production options in public/abundant water bodies for landless farmers, who can earn money within a short period and with little investment.
The production for home consumption improves nutrition, contributes to food security and surplus is sold at the market, which contribute to the income of poor households. The technology is useful for increasing production for home consumption and market.

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?
In some cases there are water leeches available in the water body. Therefore, people become afraid of preparing floating beds.	People polish diesel/kerosene oil in their body before preparation of floating beds to protect them from attack of leeches.
In some cases, water hyacinths are not available locally, consequently farmers face difficulties to prepare floating beds in distant places. Further challenges are the guarding/security of the gardens, the time consuming establishment of the beds.	Introduce and prepare floating gardens by supporting whole groups instead of individual famers.
Wave action and local streams may drift away the floating beds	Use bamboo pole to fix floating beds and prevent that they are floating away.

Debilidades/ desventajas/ riesgos desde la perspectiva del compilador o de otra persona de referencia clave	¿Cómo sobreponerse a ellas?
Non-availability of adequate quantity of water hyacinth in same place every year.	Prepare bed in the places where water hyacinth are available and then move the beds in to the desired locations.
Due to heavy wave action or heavy water flow, floating beds could be broken/destroyed.	Prepare small size beds.
Lack of awareness and willingness of farmers to practice this technology.	Organise meeting, training, demonstration, and learning visit.

7.1 Métodos/ fuentes de información

7.2 Vínculos a las publicaciones disponibles

Título, autor, año, ISBN:

A learning documentary on Floating Vegetable Garden, HELVETAS Swiss Intercooperation, March-2012, ISBN: 978-984-33-5313-9

¿Dónde se halla disponible? ¿Costo?

https://youtu.be/AK_qTm2pUsw

Título, autor, año, ISBN:

Innovative Vegetable Cultivation, HELVETAS Swiss Intercooperation, 2012

¿Dónde se halla disponible? ¿Costo?

https://youtu.be/lhiraDjPymU

Título, autor, año, ISBN:

Piloting Schemes Systematic Integration of DRR in LEAF - December 2010

¿Dónde se halla disponible? ¿Costo?

https://assets.helvetas.org/downloads/drr_capex.pdf

7.3 Vínculos a la información relevante disponible en línea

Título/ descripción:

A learning documentary on Floating Vegetable Garden, HELVETAS Swiss Intercooperation, March-2012, ISBN: 978-984-33-5313-9

URL:

https://youtu.be/AK_qTm2pUsw

Título/ descripción:

Innovative Vegetable Cultivation, HELVETAS Swiss Intercooperation, 2012

URL:

https://youtu.be/lhiraDjPymU

Título/ descripción:

Islam and Atkins, 2007. Indigenous floating cultivation: a sustainable agricultural practice in the wetlands of Bangladesh. Development in Practice 17:130-136.

URL:

https://www.jstor.org/stable/25548185?seq=1#page_scan_tab_contents

Título/ descripción:

Irfanullah et al., 2008. Introduction of floating gardening in the northeastern wetlands of Bangladesh for nutritional security and sustainable livelihood. Renewable Agriculture and Food Systems 23:89-96

URL:

http://nopr.niscair.res.in/bitstream/123456789/11064/1/IJTK%2010(1)%2031-38.pdf

Título/ descripción:

Irfanullah et al., 2011. Floating gardening in Bangladesh: a means to rebuild lives after devastating flood. Indian Journal of Traditional Knowledge 10:31-38.

URL:

http://nopr.niscair.res.in/bitstream/123456789/11064/1/IJTK%2010(1)%2031-38.pdf

Título/ descripción:

Irfanullah, 2013. Floating Gardening: a local lad becoming a climate celebrity? Clean Slate 88:26-27.

URL:

http://floodresilience.net/solutions/item/floating-gardening-a-local-lad-becoming-a-climate-celebrity