Miscellaneous Practices - Hydroponics

Many other hydroponic techniques have been utilised from time to time in different areas with success. Some of these have already been mentioned in this book, including germination nets, hanging baskets, tiers, and floating rafts (pages 94, 97 and 98). Then, there is

aeroponics or the mist spray technique, where plants are grown in hollow tubes, with apertures for the stems and foliage to extrude. A very fine spray or mist of nutrient solution is passed along inside the tubes to supply the roots with water and vital nourishment

Botuliform devices, or large plastic sausage-shaped containers filled with liquid plant food, are employed to grow algae for growing different crops with added light. Designs can be varied in size to suit individual needs.

Ring culture is a partial form of hydroponics, the plants being raised in pots or containers filled with soilless compost and standing on beds of moderately coarse and watered aggregate, into which their roots descend through the holes in the bottom of the pots.

Many more such arrangements arc likely to be developed as the years pass. Indeed any gardener or householder with a mechanical or scientific turn of mind can easily adapt or modify existing techniques to suit his or her own convenience or situation. There is ample scope for improvisation and individual ingenuity in soilless gardening, provided you stick to the basic rules.

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