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FROM THEORY TO PRACTICE – ORGANIC WASTE REDUCTION AT THE LOCAL COMUNITY LEVEL

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Author(s): Delia Vieru

Journal: Present Environment and Sustainable Development
ISSN 1843-5971

Volume: 3;
Issue: 1;
Start page: 287;
Date: 2009;
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Keywords: compost | organic waste products | decomposition

ABSTRACT
Half of the quantity of waste products produced by the households is made of food remainders, vegetable and garden remainders and more of 50% of waste products are organic and they arrive in waste products storehouses, in cesspools or they are burned, causing an important pollution. To obtain quality compost, we need to lead the compost process, in accordance with the dimension, the humidity, the structure and the composition of residual materials, so that these are available to the micro-organisms fast and efficiently, making up an ideal substratum rich in nutrients for their development. The decomposition agents need the azote to build the cells and some food remainders, ripped grass and green leaves. Chips of wood, dry leaves and sawdust are rich in carbon and they constitute another energy source for the decomposition agents. The azote sources are designated as the „green” elements and the carbon sources are the „brown” ones. In a pile of compost, it is efficient to maintain a balance between the „brown” elements (carbon) and the „green” ones (azote) – in percentage of 30:1. Production of compost in schools can be a method of determining the entire school community to work together for helping the environment. It means natural recirculation of resources, community education about the benefits of compost, the change of the cultural attitude regarding garbage in a way that brings benefits to society, the reduction of the alimentary remainders quantity of the school canteen, the implication of the students in extra-curricular activities, and, last but not least, the acquirement of a fertile soil for the school garden, for planting flowers and seedlings.

Tango Jona
Tangokurs Rapperswil-Jona

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