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Conference Papers Year : 2010

Acceptability and market potential of forage plants grown in treatment wetlands


Cities, as engines of economic growth and social development require large quantities of natural resources to meet the inhabitants' nutritional, economic and social needs. Good infrastructure and reliable service provision are key to sustain the cities development. In this regard, they enhance investment opportunities and service access to vulnerable urban population. The treatment of faecal sludge in planted drying beds with Echinochloa pyramidalis (Lam.) Hitchc. & Chase offer many advantages like for the stabilisation of sludge and an good level of solid-liquid separation (Kengne, 2008, Abiola, 2009 unpublished data) but also by promoting its byproducts in various sectors such as agriculture, livestock or energy. Sanitation by the filters planted is the best strategy for sustainable management of sludge and an alternative choice for achieving the Millennium Development Objective for developing countries. This ecotechnology allows the production of nutrients to support agricultural production and improve livestock productivity while protecting the health of populations. Recent studies have shown that Echinochloa pyramidalis who has served to treat faecal sludge on planted drying beds, could be valued as forage for domestic ruminants (Kengne, 2008). For the first time, in Senegal and worldwide, the forage plant Echinochloa pyramidalis was used for the treatment of faecal sludge on full scale planted drying beds. This study was conducted at the Treatment Plant of Cambérène (Dakar) to investigated the start-up process of planted drying beds dewatering FS such as: i) the planting mode, ii) Growth characteristics and acclimatization iii) nutrients recovery potentials based. However, because of the dangerous nature of faecal sludge (viruses, parasites, bacteria ...), the total acceptability of byproducts requires the study of its safety and profitability for all stakeholders. The main objective of the present work is to evaluate the safety, nutritional value of Echinochloa pyramidalis, its potential economic and financial, the social acceptability of its use as forage supply by farmers and consumers. This researches also aims to establish how optimize the system of planted drying beds. For this, the study will be divided into two parts: one part experimental and other part socio-economic.
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hal-00521357 , version 1 (27-09-2010)


  • HAL Id : hal-00521357 , version 1


Francine Sophiatou Tetede Abiola, Mbaye Mbéguéré, Doulaye Koné. Acceptability and market potential of forage plants grown in treatment wetlands. World Wide Workshop for Young Environmental Scientists: 2010, May 2010, Arcueil, France. ⟨hal-00521357⟩
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