Ecological intensification of agricultural production systems through waste recycling
2010
Saint Macary, Hervé | Houot, Sabine | Cambier, Philippe | Aubry, Christine | Paillat, Jean-Marie | Parnaudeau, Virginie | Doelsch, Emmanuel | Ndour Badiane, Yacine | Masse, Dominique | Rabeharisoa, R. Lilia | Masion, Armand | Zélem, Marie-Christine | Jarousseau, Hélène | Guerrin, Francois | Recyclage et risque (UPR Recyclage et risque) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad) | Environnement et Grandes Cultures (EGC) ; Institut National de la Recherche Agronomique (INRA)-AgroParisTech | Ecologie fonctionnelle et écotoxicologie des agroécosystèmes (ECOSYS) ; Institut National de la Recherche Agronomique (INRA)-AgroParisTech | Sciences pour l'Action et le Développement : Activités, Produits, Territoires (SADAPT) ; Institut National de la Recherche Agronomique (INRA)-AgroParisTech | Sol Agro et hydrosystème Spatialisation (SAS) ; Institut National de la Recherche Agronomique (INRA)-AGROCAMPUS OUEST | UMR CEREG ; Centre National de la Recherche Scientifique (CNRS) | Institut Sénégalais de Recherches Agricoles [Dakar] (ISRA) | Ecologie fonctionnelle et biogéochimie des sols et des agro-écosystèmes (UMR Eco&Sols) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)-Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro) | Université d'Antananarivo | Centre européen de recherche et d'enseignement des géosciences de l'environnement (CEREGE) ; Institut de Recherche pour le Développement (IRD)-Institut National de la Recherche Agronomique (INRA)-Aix Marseille Université (AMU)-Collège de France (CdF (institution))-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS) | URT Speed ; Centre universitaire de formation et de recherche Jean-François Champollion - JFC (FRANCE) (CUFR) | Centre d'Etude et de Recherche Travail Organisation Pouvoir (CERTOP) ; Université Toulouse - Jean Jaurès (UT2J) ; Université de Toulouse (UT)-Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3) ; Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS) | Université Catholique de l'Ouest (UCO) | Unité de Biométrie et Intelligence Artificielle (ancêtre de MIAT) (UBIA) ; Institut National de la Recherche Agronomique (INRA) | Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)
Session 4: Management of natural resources and waste for UPH<br/>Session 4: Management of natural resources and waste for UPH
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Show more [+] Less [-]English. Organic waste (OW) generated by human activity is continuously increasing worldwide. Agriculture generates large amounts of OW derived mostly from livestock farming and agroindustries. Furthermore, OW flows are increasing as a result of urban development- wastewater, sludge and municipal waste may be treated to different degrees. These wastes are often applied on cultivated lands on the outskirts of cities. OW are sources of organic matter that may increase soil fertility and reduce the need for chemical fertilizers, thus enhancing sustainable agricultural production. They may also carry contaminants, and inappropriate application may lead to an accumulation of mineral, organic or metallic contamination, thus degrading soil quality and possibly increasing the risk of pollutant transfer to the harvested crops. The multiplication of product types and the diversity of situations in which they are produced and used are factors that should be considered to enhance OW management in agriculture. The ISARD project aims to develop a global approach for integrating knowledge concerning OW recycling in agriculture. Innovation in this project is related to the territorial approach with organic matter stemming from either agriculture or households, and mainly in suburban areas. The project is being implemented at four locations, with the following specific recycling issues: o Metropolitan Dakar (Senegal): possible ways of using mixed composts o Mahajanga region (Madagascar): making and using municipal waste compost o Versailles area (France): recycling stable manure and wastewater treatment sludge on cultivated plots o Réunion Island (France, Indian Ocean): organizing and assessing the recycling of various wastes at a territory level The expected result to be delivered when the project is completed is a generic methodology that will make it possible for agronomists working with rural stakeholders to create highly efficient cropping and farming systems based on the use of a wide range of organic wastes.
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