Multi-storey (sack) gardening – (UNHCR / GTZ / BMZ) Read at : 4b7becf99 Multi-storey gardening (sack gardening) Advertisements Like this:Like Loading... Related Published by Willem Van Cotthem Honorary Professor of Botany, University of Ghent (Belgium). Scientific Consultant for Desertification and Sustainable Development. View all posts by Willem Van Cotthem
