Barrett, Thomas J.: Harnessing the earthworm. A practical inquiry into soil-building, soil conditioning, and plant nutrition through the action of earthworms, with instructions for intensive propagation and use of domesticated eartworms in biological soil-building. Barrett, Thomas J.: Harnessing the earthworm. A practical inquiry into soil-building, soil conditioning, and plant nutrition through the action of earthworms, with instructions for intensive propagation and use of domesticated eartworms in biological soil-building. Barrett, Thomas J.: Harnessing the earthworm. A practical inquiry into soil-building, soil conditioning, and plant nutrition through the action of earthworms, with instructions for intensive propagation and use of domesticated eartworms in biological soil-building.
Barrett, Thomas J.
Harnessing the earthworm. A practical inquiry into soil-building, soil conditioning, and plant nutrition through the action of earthworms, with instructions for intensive propagation and use of domesticated eartworms in biological soil-building.
London, Faber and Faber, 1949, 1. edition, pp. xvi, 166, text-illustrations and photo-plates, 8vo, cloth. Cancelled library stamps.
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