Harnessing the Earthworm : a practical inquiry into soil-building and plant nutrition through the action of earthworms,with instructions for intensive propagation and use of domesticated earthworms in biological soil-building: intro.- E.B. Balfour
Barrett, Thomas J.
Harnessing the Earthworm : a practical inquiry into soil-building and plant nutrition through the action of earthworms,with instructions for intensive propagation and use of domesticated earthworms in biological soil-building: intro.- E.B. Balfour - Boston, Massachusetts : Wedgewood Press , 1959 , c1947. - 166 p. : il.
Horticulture
Soils
635 BAR
Harnessing the Earthworm : a practical inquiry into soil-building and plant nutrition through the action of earthworms,with instructions for intensive propagation and use of domesticated earthworms in biological soil-building: intro.- E.B. Balfour - Boston, Massachusetts : Wedgewood Press , 1959 , c1947. - 166 p. : il.
Horticulture
Soils
635 BAR
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