Hydroponic Gardening with Organic Fertilizers

A look at the growth patterns of hydroponically grown plants given organic fertilizers.



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The author's attempt to combine aquaculture with hydroponics was not 100% successful. Effluent-grownbeans, which at first rose inches above beans raised in either manure tea or commercial nutrient solution, later became stunted and pale.
PHOTOS: MOTHER EARTH NEWS STAFF
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Shown here are details of author's underground ecosystem, in which earthworms are raised to feed to fish and fish tank water is used to grow hydroponic vegetables. The only material that's brought in from outside is compost for the worms.
MOTHER EARTH NEWS STAFF
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Proof that organic hydroponics works. Beans on left were raised in a water extract of rabbit manure,chicken manure, earthworm castings (manure), and wood ashes . . . while plants on right received Hyponex commercial nutrient solution.
MOTHER EARTH NEWS STAFF











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