Tuesday, March 4, 2008

Companion Planting

Companion planting in gardening and agriculture is planting of different crops in close physical proximity, on the theory that they will help each other. It is a form of polyculture. Companion planting is used by farmers and gardeners in both industrialized and developing countries. Many of the modern principles of companion planting were present many centuries ago in the cottage garden . Although there is a wealth of information on its historic use, there remains limited available scientific research on the effectiveness for each of these interventions.

For farmers, these techniques are used in Integrated Pest Management , and systems can be set up to allow the farmer to have more yield and/or reduce pesticides. In the developing world, tropical crops are used instead of temperate ones and provide NGOs and other organizations a tool for alleviating poverty.

For gardeners, the combinations of plants also make for a more varied, attractive vegetable garden. It can also be used to mitigate the decline of biodiversity.

for a good list of plant companions - and those that don't get along - click here

an excellent book on companion planting is:

Carrots love tomatoes: secrets of companion planting for successful gardening by Louise Riotte

available at the Ottawa Public Library or your favourite independent bookstore

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