Friday 12 July 2013

Hydroponicum

Today amongst other work I was asked to have a go at growing Lettuce in the Hydroponicum at Houghton, something I have never done before. There is a large table which is filled with water and feed and air is continuously pumped into it. A board is placed on top with holes cut into it. Into these holes go small pots of perlite with a seed on top covered with clay granules (which stop the wet perlite from growing algae).

The little pots are placed into the holes and sit atop the water and hey presto in a week or two we should have lettuce. Great fun!

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