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Article Dans Une Revue (Article De Synthèse) Journal of Environmental Management Année : 2016

End-product quality of composts produced under tropical and temperate climates using different raw materials: A meta-analysis

Résumé

A meta-analysis on end-product quality of 442 composts was performed to assess the effects of climate and raw materials on compost quality. The analysis was performed using an ANOVA including a mixed model with nested factors (climate, raw material and publication effect). Tropical composts presented lower carbon, nitrogen, potassium and soluble-carbon contents, and higher electrical conductivity. The results suggest that compost quality in the tropics was affected by weather conditions during composting (e.g. high temperature and rainfall), which induced high losses of carbon and nutrients. For most properties, industrial, sewage sludge and manure-based composts displayed the highest quality under both climates, while the contrary was found for household and municipal solid waste-based composts. The publication effect represented >50% of total variance, which was mainly due to the heterogeneity of the composting procedures. The meta-analysis was found to be a helpful tool to analyse the imbalanced worldwide database on compost quality.
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Dates et versions

hal-01409339 , version 1 (05-12-2016)

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Julie Favérial, Maryline Boval, Jorge Sierra, Daniel Sauvant. End-product quality of composts produced under tropical and temperate climates using different raw materials: A meta-analysis. Journal of Environmental Management, 2016, 183 (3), pp.909-916. ⟨10.1016/j.jenvman.2016.09.057⟩. ⟨hal-01409339⟩
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