Microbial Biomass Improvement Following Municipal Solid Waste Compost Application in Agricultural Soil
Soil microbial biomass (SMB) was considered as a sensitive and as indicator of soil management especially for agricultural soil. Municipal solid waste (MSW) composting process is a promising way to reduce waste production and to obtain a stable end product such as compost available for agricultural use. However, the main requirement for the safe use or application of compost to agricultural lands is its degree of stability, which implies stable organic matter content. This practice is becoming one of the most promising ways for the reclamation and correction of organic matters loses in degraded soils. Many studies showed that MSW compost soil application could (i) improve soil physico-chemical properties, (ii) increase soil microbial biomass and activity (iii), play a biopesticide role to control soil borne diseases. Many authors investigated the different doses of MSW compost and examined their effects on soil microbial biomass available on the vertical and horizontal distribution. However MSW compost application could contaminated agricultural soil by heavy metals, toxic compounds and pathogens. Concerning the heavy metals pollution of agricultural soils is related essentially to crop quality and human health. In this review we tried to show the different investigations concerning the progress of microbial biomass following the MSW compost application in agricultural soil.
KeywordsSoil microbial biomass MSW composing process Organic matter
Special thanks to all who helped in the water treatment and recycling laboratory of CERTE (Centre de Recherche et des Technologies des Eaux).This mini review expressed the views of the authors and do not necessarily reflect the opinion of CERTE.
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