SHARING IDEAS THAT DO GOOD

The secret rock that could help feed the world

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Orlar’s system – now a business that supplies Vietnam’s top 200 restaurants and most middle-class supermarkets – uses greenhouses, with light and warmth provided gratis by the sun. The key, though, is in the secret rock. It has three seemingly magical properties: enormous thermal mass, the ability to retain water against the pull of gravity and an affinity for microbes.

Because such a microbe mix generates ultra-healthy plants, no chemicals are applied and only minimal amounts of organic-certified pesticides and synthetic fertiliser.

https://amp.smh.com.au/national/the-secret-rock-that-could-help-feed-the-world-and-the-nerdy-australian-scientist-who-discovered-it-20211118-p599zh.html

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