Earthworms for Ecology and Profit: Earthworms and the Ecology

Gaddie, Ronald E.

Sports & Outdoors

Bookworm Pub Co

Earthworms for Ecology and Profit: Scientific Earthworm Farming, Vol.1

Douglas, Donald

Earthworms for Ecology and Profit: Scientific Earthworm Farming

Science & Math

Ronald E. Gaddie, Sr.

Donald E. Douglas

Biological Sciences

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 earthworms in biological soil building.

Harnessing the Earthworm

Crafts, Hobbies & Home

Barrett, Thomas J.

Gardening & Landscape Design

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 Earthworms in biological soil-building.

Thomas J. Barrett

Examines the earthworm through morphology, taxonomy, biology, physiology and looks at its environmental role

Biology of Earthworms

Edwards, C.A.

Lofty, J. R.

Earthworms for Ecology and Profit

Unknown, Author

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