A new source of fertilizer in Richmond – koi fish

In a 5,000-gallon fish tank in a 1980s greenhouse off a side street near Fred Jackson Boulevard, about a thousand koi fish, the fish so often found in Japanese garden ponds, are busy growing lettuce. The “tank” is actually an uncovered, blue-tiled, above-ground swimming pool that local organic farmer Pilar Reber purchased at Target about…

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