What is it about?
Experiments were carried out to evaluate the possibility of recovering and recycling vegetable waste originally collected in an urban garden-produce market. These organic putrescible residues were biologically stabilized through composting in an aerated static pile in order to obtain humified organic matter (green compost) to be used as agricultural soil conditioner. Performances of the composting system adopted together with physico-chemical characteristics of the starting material and the final product are reported here. Some microbiological and phytotoxicological details concerning this green compost production are also given.
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Perspectives
Municipalities should identify that the diversion of huge amounts of organic waste from garden-produce markets within the municipal waste stream will provide significant benefits for the sustainability of the whole disposal system either by extending the life of their landfill facilities or reducing the impacts of leachate and methane formation. Some municipalities have tackled however the issue by collecting pre-sorted organic waste from centralized markets as part of the municipal waste collection services. Reducing its organic component, makes a landfill cheaper to operate and less likely to pollute the surrounding land, air, and water. Moreover the production of high quality compost allows the potentials for cost recovery through the sale of the humified end-product, and reduces the dependence on commercial organic substrates by gardeners and landscapers, which may not come from sustainable sources and/or inputs.
Professor Giovanni Vallini
Department of Biotechnology - University of Verona
Read the Original
This page is a summary of: Green compost production from vegetable waste separately collected in metropolitan garden-produce markets, Biological Wastes, January 1989, Elsevier,
DOI: 10.1016/0269-7483(89)90101-8.
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