Keyhole gardening and bag gardening (Google / My Global Garden)

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http://www.myglobalgarden.com/blog/eco-gardening-secrets-from-africa

Eco gardening secrets from Africa

The most impressive stand I visited at Hampton Court was the Back to the Future Garden in the Climate Zone, designed and built soley by a unique charity called Send a Cow. It was one of the busiest with visitors intrigued by a method of growing vegetables in a keyhole garden:

(very nice picture)

As you can see, this is basically heaps of soil based around a compost that continually feeds the garden with the rotting matter as it grows. This a great way to use up kitchen waste and means you can grow lots of vegetables in a small area, all year round. Perfect for city balconies or terraces where space is at a premium and there is often nowhere to have a compost heap. The height is good for elderly people who may find bending down to tend their vegetables more difficult.

For many families in Africa these amazing keyhole gardens are the difference between life and death. Climate change has seriously reduced the levels of soil fertility in many parts of Africa and the situation has been made worse by the loss of almost a whole generation to Aids which means that horticultural know-how is very limited.

About 70% of Africans depend for survival on what they grow on their land and keyhole gardening is just one of the areas that Send A Cow is involved with. Set up in 1988 , this group of farmers in the West Country helps African farmers develop answers to this need to grow their own food. They deliver direct, practical help to poor farmers in Africa, by providing, cows and other livestock, training in livestock rearing and organic farming, plus low-cost veterinary and advice services .

(pictures)

Another novel idea that was demonstrated by Send a Cow was the bag garden – see pictures above right. These tall hessian sacks of soil are sent to families trying to survive famine in Africa . They are deep enough to grow potatoes in, plus you can also cut holes in the sack and plant things up the sides too. They can be watered easily when irrigating fields isn’t possible. The bag garden saves lives in Africa but it will also do well on a tiny British patio or balcony.

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Check out their excellent web-site at http://www.sendacow.org.uk for more information on their various projects plus some more sustainable gardening suggestions from Africa – making your own natural pesticide and liquid manure.

Garden sustainably from Send a Cow

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3. Make a keyhole garden

Draw a 3m circle and edge with rocks. Mark a tiny central circle with posts and make a compost “basket” inside with sticks and string. Fill bed with soil sloping down from centre, leaving a tiny path for access. Fill the basket with vegetable waste and enjoy your fertile plot.

Published by

Willem Van Cotthem

Honorary Professor of Botany, University of Ghent (Belgium). Scientific Consultant for Desertification and Sustainable Development.