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Self-Watering Potted Plant
Fill the plastic pot with growing medium, such as expanded clay. Gently rinse it with plain, fresh water, allowing the surplus to drain. Place the pot onto the watering saucer. You can set the pot, or pots if youre going to try several plants, into a shallow plastic tray instead of using a watering saucer. Place a germinated plant into the pot and carefully arrange the roots so that they are distributed through the expanded clay. Pour a small quantity of the prepared nutrient solution into the saucer or tray. The nutrients will be taken up by the plant via capillary action. Check the saucer daily to ensure that the mix doesnt dry out. Never pour nutrient into the top of the pot; always add the nutrient to the tray or saucer.
Materials
8-inch plastic pot, 10-inch watering saucer, Plant (coleus works well), Growing medium, Nutrient
This easy hydroponic system was first profiled in "The Growing World of Hydroponics," by Rob Smith, The Growing Edge, Vol. 11, No. 1.
The Growing Edge, P.O. Box 1027, Corvallis, OR USA 97339-1027
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