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Date: 2013-09-04 09:46:33Sustainability Organic farming Soil Land management Composting Desertification Vermicompost Compost Earthworm Agriculture Environment Organic gardening | The UNEP Magazine for Youth for young people · by young people · about young people Soil - the forgotten elementAdd to Reading ListSource URL: www.ourplanet.comDownload Document from Source WebsiteFile Size: 4,11 MBShare Document on Facebook |
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