
This material was published more than 15 years ago and may not fully reflect current knowledge and understanding.
Articles
Growing Walls
This is an interesting and very practical idea developed by Gösta Nilsson, the Director of Sanitas in Botswana. He has developed a container gardening system based on walls with built-in growing boxes, made of hollow concrete blocks. The blocks are made using a simple, hand-operated block-making machine. With such a machine, two persons can make 100 blocks a day from a mix of 1 part cement and 4 parts sand. This is the size block which is used at Sanitas, but blocks of similar size would be ...
1993
Available in English, French and Spanish
This is an interesting and very practical idea developed by Gösta Nilsson, the Director of Sanitas in Botswana. He has developed a container gardening system based on walls with built-in growing boxes, made of hollow concrete blocks. The blocks are made using a simple, hand-operated block-making machine. With such a machine, two persons can make 100 blocks a day from a mix of 1 part cement and 4 parts sand. This is the size block which is used at Sanitas, but blocks of similar size would be fine...
millimetres


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