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| Authors: | F.W. Frenz, R. Röber |
Abstract:
Plants in pots, containers, and in the open could be watered and fertilized by an automatic system.
The water supply was maintained by tensioswitches.
Especially developped electronic instruments and device regulated the amount of fertilizer, the water gifts, and the concentration of the nutrient solution.
The application of this technique is suitable for floriculture as well as vegetable growing.
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