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Foreword Although duckweed species are familiar to most people who have seen the tiny aquatic plants covering stagnant water bodies, few people realize their potential. Until a few years ago, man made little use of duckweed species.
Siphons for AP General Siphon principles Place a hose into a tank of water, remove all the air out of the hose, block off one end of the hose (with a thumb) and bring it out and below the water level in the tank and remove the thumb – water flows from the tank until either end of the hose is above the water level then air enters the hose and siphoning action ceases – this is a basic siphon.
Two years ago we built a solar greenhouse. The beauty of the greenhouse has been fresh tomatoes in January, a quiet place to escape and a learning space about gardening and nature.
Posted on December 3, 2007 by synaptoman It’s all starting to come together here on the hill overlooking the Knysna lagoon.
Posted on April 15, 2008 by synaptoman