Organic matter: what is it?

Organic matter is a much used term that can refer to several things, and is easily confused with similarly named activities such as organic gardening. It is no surprise that gardeners are often confused by this very useful piece of horticultural shorthand.

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Stack of farmyard manure

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The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.