1.2 Detalhes do contato das pessoas capacitadas e instituições envolvidas na avaliação e documentação da tecnologia

Nome do projeto que facilitou a documentação/avaliação da Tecnologia (se relevante)

Book project: Water Harvesting – Guidelines to Good Practice (Water Harvesting)

Nome da(s) instituição(ões) que facilitou(ram) a documentação/ avaliação da Tecnologia (se relevante)

Reach Africa (Reach Africa)

Nome da(s) instituição(ões) que facilitou(ram) a documentação/ avaliação da Tecnologia (se relevante)

Reach Italia (Reach Italia) - Itália

1.3 Condições em relação ao uso da informação documentada através de WOCAT

Quando os dados foram compilados (no campo)?

2012/2018

O/a compilador/a e a(s) pessoa(s) capacitada(s) aceitam as condições relativas ao uso de dados documentados através da WOCAT:

Sim

1.4 Declaração de sustentabilidade da tecnologia descrita

A tecnologia descrita aqui é problemática em relação a degradação da terra de forma que não pode ser declarada uma tecnologia de gestão sustentável de terra?

Não

2.1 Descrição curta da tecnologia

Definição da tecnologia:

A special tractor-pulled plow that constructs micro-catchments. It combines the traditional techniques of rainwater harvesting with mechanization for large scale land rehabilitation.

2.2 Descrição detalhada da tecnologia

Descrição:

The Technology mechanizes the traditional technique of zai and semi circular bunds for water harvesting using a modified plow named Delfino3s pulled by a 180hp tractor. A normal plow on flat land excavates a symmetrical, continuous furrow, and earth piles up equally on both sides of the furrow. The Delfino3s plow has a single reversible plowshare that creates an angled furrow and piles up the excavated soil in half moon shaped ridges only on the downhill side. The plowing must be done along the contour to collect and slows down runoff water as it flows downhill. The plow’s blade moves in and out of the soil creating micro basins about 5 meters long, 50 cm deep, 50 cm wide and spaced 2-3 m. The ripper placed before the plow cracks up the soil to a depth of 70 cm facilitating the infiltration of water into the soil profile and the growth of deep roots. After plowing, the local population sows seeds of plants of indigenous species. They are sown along the ridges of the basins and in the furrow of the ripper. While for most species seeds are collected by the local population, for species rarely present in the region, seeds are purchased from tree nurseries. Sowing the manure of goat containing seeds has also been very successful with about 95% of all micro basin having at least one tree growing. The intervention on a big scale, the effects of water infiltration in depth, erosion reduction and vegetation growth, boost a long lasting rehabilitation process. Each day the Delfino plow can plow up to 20 ha, digging 6.000-7.000 micro basins. The speed, the capability to plow hard, abbandoned land, the effectiveness of the Delfino3s plow are its major advantages for the ecosystem rehabilitation process but require a big commitment. To make the best out of it, a great motivation and organizational work is necessary to: find great availability of land; train accuratelly the technicians; have well-rooted Subjects in the region. The technological aspect is just part of the recovery process, an important work with the Communities is required upstream and downstream. Communities are involved in the management process – in identifying the areas to be restored, clarifying the land uses of the affected areas, planning and implementing e.g. gathering and keeping seeds of local ecotypes, sowing, in the management of plantations and in the monitoring and evaluation of the results. Rules for SLM are adopted and respected by all. The Technology is applied in a degraded agro-sylvo-pastoral area of the Sahel Region, in the north east of Burkina Faso with 200-500 mm of annual rainfall. The soil is sandy-loam, strongly degraded with surface crust. The population is mainly composed of semi-nomadic herders. At the beginning of the project, the NGO Reach Italia was promoting schooling; they soon realized that during the dry season most kids left school and that to avoid it they should face food security and pasture improvement. So they started applying the Vallerani System and developped the participatory approach. The vegetation growth reduces the need for fodder search and long-range transhumance which also allows children to go to school regularly.The ecosystem rehabilitation effect of the technology help the communities to become more concious and resilient to the effects of climate change and prepared to cope with the socio-economic-environmental changes they are faced with.

2.3 Fotos da tecnologia

2.4 Vídeos da tecnologia

2.5 País/região/locais onde a tecnologia foi aplicada e que estão cobertos nesta avaliação

2.6 Data da implementação

Caso o ano exato seja desconhecido, indique a data aproximada:

• 10-50 anos atrás

2.7 Introdução da tecnologia

Especifique como a tecnologia foi introduzida:

• durante experiências/ pesquisa
• através de projetos/intervenções externas

Comentários (tipos de projeto, etc.):

The Technology was introduced in the Region in an agro-sylvo-pastoral pilot project to fight against desertification by FAO in 1996-97.

3.1 Principal/principais finalidade(s) da tecnologia

• Melhora a produção
• Reduz, previne, recupera a degradação do solo
• Preservar/melhorar a biodiversidade
• Reduzir riscos de desastre
• Adaptar a mudanças climáticas/extremos e seus impactos
• Atenuar a mudanças climáticas e seus impactos
• Criar impacto econômico benéfico
• Cria impacto social benéfico

3.2 Tipo(s) atualizado(s) de uso da terra onde a tecnologia foi aplicada

Comentários:

Major land use problems (compiler’s opinion): Land degradation-desertification with reduction of vegetation cover in terms of plant density and species diversity is the main problem: disappearance of grasses and trees, reduction of the size of the plants that are resistant and of the biological activity of the soil. Runoff, water and wind erosion increase. Drought and irregular precipitation have heavy consequences on soil fertility, availability of water for humans and livestock, and recharging groundwater.

3.3 Mais informações sobre o uso da terra

Abastecimento de água para a terra na qual a tecnologia é aplicada:

• Precipitação natural

Número de estações de cultivo por ano:

• 1

3.4 Grupo de GST ao qual pertence a tecnologia

• Agrofloresta
• Gestão de pastoralismo e pastagem
• Coleta de água

3.5 Difusão da tecnologia

Especifique a difusão da tecnologia:

• Uniformemente difundida numa área

Caso a tecnologia seja uniformemente difundida numa área, indique a área coberta aproximada:

• 100-1.000 km2

Comentários:

Total area covered by the SLM Technology in the Region is about 25.600 hectares up to 2017.

3.6 Medidas de GST contendo a tecnologia

3.7 Principais tipos de degradação da terra abordados pela tecnologia

Comentários:

Main causes of degradation: over-exploitation of vegetation for domestic use , such as wood cut for cooking, to feed livestock or as building material, overgrazing, low contribution of animal dejections that are used as cooking fuel, change of seasonal rainfall, droughts. Secondary causes of degradation: deforestation / removal of natural vegetation (incl. forest fires), low environmental awareness and support services such as forestal or veterinary assistance.

3.8 Redução, prevenção ou recuperação da degradação do solo

Especifique o objetivo da tecnologia em relação a degradação da terra:

• Reduzir a degradação do solo
• Recuperar/reabilitar solo severamente degradado

4.1 Desenho técnico da tecnologia

4.2 Especificações técnicas/ explicações do desenho técnico

Drawing 1) A. The land chosen together with the local population is plowed with the special Delfino3s plow. The spacing between the plowed lines depend on: slope, soil and rain characteristics, purpose of the project. In average the inter-line is 4-6m wide. B. Local people sow seeds (collected from local trees or bought if species are rare) or goat dung containing seeds (collected in the night enclosures after feeding the goats shaking trees with ripe seeds). C. The micro basins collect the rain that falls into the crescents and up to 90% of the runoff water. The water easily penetrates into the soil profile, remains available to plant roots without risk of evaporation and eventually infiltrates to the groundwater. Drawing 2) All plowing measures are adjustable. Total length of work: 4/8 m. Tractor required: 180hp. Working speed: 4/7 Km/h which correspond to 1,5/2.5ha per hour. Weight of the plough: 1800 Kg. Drawing 3) To optimize run off harvesting and reduce water erosion, the ploughing must always be done along the contour. The bare soil between the tilled lines works as catchment area for the collection of runoff. To facilitate the execution of the plowing along the contour, nowadays there are new technologies such as laser guidance systems or GPS assistence.

4.3 Informação geral em relação ao cálculo de entradas e custos

Especifique como custos e entradas foram calculados:

• por área de tecnologia

Especifique a moeda utilizada para os cálculos de custo:

• Dólares norte-americanos

4.4 Atividades de implantação

	Atividade	Tipo de medida	Periodicidade
1.	Project planning, consulting and training	Outras medidas	Before starting
2.	Plowing with the Delfino plow	Estrutural	Dry season
3.	Seed harvesting and storage	Agronômico	When seeds are ripe
4.	Missing seeds purchase in local markets or nurseries	Agronômico	When seeds are ripe
5.	Direct sowing	Agronômico	Dry season

4.5 Custos e entradas necessárias para a implantação

Se o usuário da terra arca com menos que 100% dos custos, indique quem cobre os custos remanescentes:

The NGO REACH AFRICA which implements the project is also supported by REACH ITALIA which mainly works for foundraising. They have many different founders. After the first years, thanks to the collaboration and founding by the Swiss Association Deserto Verde Burkinabé and the good results achieved, founders are more likelly to be found. The main are: different NGO's, some Italian Municipalities, a Swiss school, the Gouvernement of Burkina Faso, FAO, international cooperation agencies of Luxembourg and Belgium, a mining company and others.

Comentários:

The actual (2018) total cost of each implemented hectare is $ 170. This cost can be considerably reduced by around 22% in the case of an optimal use of the Technical Mechanization Unit, ie 800-1000 hours of work per year. This means that an operator who works with the plow Delfino has a gross investment cost which can vary according to its technical and organizational experience and by the amount of the plowed surface each year.

4.6 Atividades recorrentes/manutenção

	Atividade	Tipo de medida	Periodicidade/frequência
1.	Pasture management to avoid overgrazing	Vegetativo	After the rain and in the dry season
2.	Vegetation growth management	Vegetativo	During the first 3-5 years
3.	Woodcut management	Vegetativo	After 4-7 years
4.	Equipment maintenance (plow, tactor)	Gestão	Daily, weekly, seasonal

4.7 Custos e entradas necessárias pata a manutenção/atividades recorrentes (por ano)

Se o usuário da terra arca com menos que 100% dos custos, indique quem cobre os custos remanescentes:

The NGO REACH AFRICA which implements the project is also supported by REACH ITALIA which mainly works for foundraising. They have many different founders. After the first years, thanks to the collaboration and founding by the Swiss Association Deserto Verde Burkinabé and the good results achieved, founders are more likelly to be found. The main are: different NGO's, some Italian Municipalities, a Swiss school, the Gouvernement of Burkina Faso, FAO, international cooperation agencies of Luxembourg and Belgium, a mining company and others.

Comentários:

Maintenance costs of plow and tractor greatly depend from the attention and technical skills of tractor drivers and mechanics and from the diligence and frequency of the maintenance activities of the implements. No other maintenance costs are forseen for the Technology.

4.8 Fatores mais importantes que afetam os custos

Descreva os fatores mais determinantes que afetam os custos:

Upfront costs for the aquisition of the required implements are around 40,000 EUR for the plow and 75,000 EUR for the tractor. Depending on the maintenance activities, the spares and fuel costs can be reduced. Fuel, oil and spares also greatly depend from the characteristics of the soil and the purpose of the project.

5.1 Clima

5.2 Topografia

Indique se a tecnologia é aplicada especificamente em:

• Não relevante

5.3 Solos

5.4 Disponibilidade e qualidade de água

A salinidade da água é um problema?

Não

Ocorre inundação da área?

Não

Comentários e outras especificações sobre a qualidade e a quantidade da água:

Generally the watertable is lowering. Surface water is collected in boulies (ponds) for livestock and household activities. Its quality deteriorates during the dry season and its quantity decreases fast.

5.5 Biodiversidade

Comentários e outras especificações sobre biodiversidade:

Up to 30-50 years ago biodiversity was rich and soil coverage higher.

5.6 Características dos usuários da terra que utilizam a tecnologia

Indique outras características relevantes dos usuários da terra:

During the dry season men often migrate(d) to the nearby mines or cities for off-site income. After the implementation of the Technology the need for seasonal migration reduced. Difference in gender involvement: the project involves reforestation and pasture improvement for the grazing of livestock which is a men dominated activity. Since 2010 women have sown and protected from grazing some special plants for medical and domestic use and as raw material for handcrafts. Population density: 10-50 persons/km2. Annual population growth: 3% - 4%. Off-farm income specification: The only activity people of the region are engaged in is goat and cattle breading. Crop production is practiced only for subsistence use.

5.7 Média da área de terra própria ou arrendada por usuários da terra que utilizam a tecnologia

5.8 Propriedade de terra, direitos de uso da terra e de uso da água

Propriedade da terra:

• Estado
• Comunitário/rural

Direitos do uso da terra:

• Acesso livre (não organizado)
• Comunitário (organizado)

Direitos do uso da água:

• Acesso livre (não organizado)
• Comunitário (organizado)

5.9 Acesso a serviços e infraestrutura

6.1 Impactos no local mostrados pela tecnologia

Impactos socioeconômicos

Produção

Disponibilidade e qualidade de água

Renda e custos

Outros impactos socioeconômicos

Impactos socioculturais

Impactos ecológicos

Ciclo hídrico/escoamento

Solo

Biodiversidade: vegetação, animais

Clima e redução de riscos de desastre

6.2 Impactos externos mostrados pela tecnologia

6.3 Exposição e sensibilidade da tecnologia às mudanças climáticas graduais e extremos/desastres relacionados ao clima (conforme o ponto de vista dos usuários da terra)

Mudança climática gradual

Mudança climática gradual

	Estação do ano	Tipo de mudança climática/extremo	Como a tecnologia lida com isso?
Temperatura anual		aumento	muito bem
Temperatura sazonal	estação seca	aumento	muito bem
Precipitação pluviométrica anual		redução/diminuição	bem
Precipitação pluviométrica sazonal	estação úmida/das chuvas	redução/diminuição	bem

Extremos (desastres) relacionados ao clima

Desastres meteorológicos

	Como a tecnologia lida com isso?
Temporal local	moderadamente
Tempestade de areia/tempestade de poeira	muito bem
Tempestade de vento local	muito bem

Desastres hidrológicos

	Como a tecnologia lida com isso?
Inundação súbita	não bem

Desastres biológicos

	Como a tecnologia lida com isso?
Infestação de insetos/vermes	bem

6.4 Análise do custo-benefício

Como os benefícios se comparam aos custos de implantação (do ponto de vista dos usuários da terra)?

Como os benefícios se comparam aos custos recorrentes/de manutenção(do ponto de vista dos usuários da terra)?

Comentários:

The system includes the use of a heavy duty tractor and a special plow whose costs are high though difficult to sustain by the local population. Most financial costs are covered by founders and donors, the land user's partecipate to the project with their work so even if the benefits in the short term are fewer than in the mid and long-term, for them it is still very positive.

6.5 Adoção da tecnologia

• 10-50%

Se disponível, determine a quantidade (número de unidades familiares e/ou área abordada):

330 villages and around 33.000 beneficiaries

Entre todos aqueles que adotaram a tecnologia, quantos adotaram espontaneamente, ou seja, sem receber nenhum incentivo material/pagamentos?

• 50-90%

Comentários:

Except for plowing, the other activities part of the Technology are practicable by the population under an initial guidance of a promoter with specific training. These are done without any material incentives/payments. The technology is well known in the Region and there is an active participation of the local people and a strong demand for new interventions.

6.6 Adaptação

A tecnologia foi recentemente modificada para adaptar-se as condições variáveis?

Sim

Outros (especificar):

technical

Especifique a adaptação da tecnologia (desenho, material/espécie, etc):

The design of the plow has been adapted to increase the performance of the implement and reduce the running costs of plowing. The reversibility of the plowshare reduces the need for empty rides. The different parts of the plow are adjustable to adapt it to the needs of the project and the soil characteristics.

6.7 Pontos fortes/vantagens/oportunidades da tecnologia

Pontos fortes/vantagens/oportunidades na visão do usuário da terra
Higly degraded, abandoned land becomes fertile and rentable again. Fodder increases in quantity and improves in quality and lasts all year round. Food security also in drought years. Herds are healthier and more productive. Fodder and water availability for animals is closer to the villages. Some plants can be sown for different uses: crops, medicine or for the production of mats or other handcrafts products that can be sold.
Better life conditions, more income opportunities and diversification. Food is diversified and more nutritious. Less hunger and deseases.
Greater community cohesion and less migration, better environnemental conciousness and commitment, education and security. People gain back dignity, confidence in the future and hope.

Pontos fortes/vantagens/oportunidades na visão do/a compilador/a ou de outra pessoa capacitada
The Technology allows the rehabilitation of rangeland and highly degraded areas in a fast and natural way on a large scale. This can boost a longlasting effect and the shift of the whole ecosystem. The Technology confers drought resilience and reduces the effects of climate change. It allows the sequestration of CO2 and can contribute to achieve the Land Degradation Neutrality Goals.
The partecipatory approach is essential for the sustainability of the project. The local Communities improve their life quality, awareness, cohesion and resilience. The need for migration is reduced and people has the chance to stay in their Lands.
The sown tree and shrub species are mainly indigenous and locally adapted species. Each specie can follow it's own growing laws and adaptation strategies. Through the tillage process the technology offers the highest degree of efficiency in the first years from processing. Its effects last for a long time so it does not need to be repeated on the same site.
The VS does not use any water (except rain) in countries where water is rare and precious.
The use of a mechanized implement allows to rehabilitate very hard, degraded and abbandoned land on large areas with reduced population. As the Delfino3s can plow strongly degraded land, the local people often ask to work their worse land which they would never be able to use.

6.8 Pontos fracos, desvantagens/riscos da tecnologia e formas de superá-los

Pontos fracos/desvantagens/riscos na visão do usuário da terra	Como eles podem ser superados?
Land that was unproductive and nobody claimed becomes productive: it can lead to misunderstandigs and conflicts.	Land use and production exploitation rules must be cleared and accepted by all Subjects at the beginning of the project.
Good pasture attracts animals and herders from the nearby Region (also from far away and abroad).	Rules must be clear.

Pontos fracos/vantagens/riscos na visão do/a compilador/a ou de outra pessoa capacitada	Como eles podem ser superados?
The investmentand running costs for the machinery are high and cannot be covered by single land users or small Communities.	The projects must be financed by donors or founders. The Community can partecipate to some extent to cover the running costs.
The speed and effectiveness of the Delfino3s plow are its major advantages in the ecosystem rehabilitation process but can also be its major limitation. To make the best out of it, it is necessary to have a great availability of land (1.000-1.800ha) every year.	A big organizational capacity is needed. The spreading "like wildfire" that has characterized the case study was possible by the presence on the territory of an NGO already active and rooted in the territory for many years and by perseverance, respect and competence of all involved subjects.
Since great extentions will be processed, a big organisation is needed for all connected activities (awareness raising, seed collection and stockage, training, logistics, etc),	Must be well organized and should operate already before starting with plowing.
The professional level of the tractor drivers and the mechanics as well as the lack of a well-organized mechanical workshop and spares stock can lead to long interruptions of the work and high extra costs.	Professional technical trainings and monitoring are very important. The organization of a well managed mechanical workshop and spares stock are essential. This can also be a great development opportunity for the Region.
The increased amount of fodder can induce the shepherds to increase the number of animals.	An important work with the Communities is essential to achieve shared and sustainable management goals.

7.1 Métodos/fontes de informação

7.2 Referências às publicações disponíveis

Título, autor, ano, ISBN:

Un "delfino" rinverdisce i deserti, Venanzio Vallerani, ISBN 978-88-95858-05-0

Disponível de onde? Custos?

info@vallerani.com

7.3 Links para informação relevante que está disponível online

Título/ descrição:

Récupération des sols fortement dégradés à des fins sylvo-pastorales, CILSS 2009

URL:

http://www.vallerani.com/wp/wp-content/uploads/2013/06/Rapport-Reach-Cills-2009.pdf

Título/ descrição:

GIZ, Good practices in soil and water conservation, pag. 22 seg.

URL:

https://www.giz.de/fachexpertise/downloads/giz2012-en-soil-water-conservation.pdf

Título/ descrição:

Using Mechanized Water Harvesting System (The Vallerani System ) for Rehabilitation of Degraded ASALs in Kenya

URL:

http://www.vallerani.com/wp/wp-content/uploads/2015/06/Meshack-Muga-Paper-25-Final.pdf

Título/ descrição:

Report for the Sino-Italian cooperation project, SFA, China

URL:

http://www.vallerani.com/wp/wp-content/uploads/2013/06/Report_in_English-10.pdf

Título/ descrição:

Global guidelines for the restoration of degraded forests and landscapes in drylands FAO, pag. 104 seg.

URL:

http://www.fao.org/3/a-i5036e.pdf

Título/ descrição:

Improved rainwater harvesting for fodder shrub production and livestock grazing: the Vallerani micro-catchment system in the Badia of Jordan

URL:

http://www.fao.org/family-farming/detail/en/c/1040697/

Título/ descrição:

Conedera, M., N. Bomio-Pacciorini, et al. 2010. Reconstitution des écosystèmes dégradés sahéliens. Bois et Forêts des Tropiques 304(2). Bois et Forêts des Tropiques 304(2). Bois et Forêts des Tropiques

URL:

http://www.vallerani.com/images/Reconstitution.pdf