1. Soil fertility, renewal & preservation; bio-dynamic farming and gardening, with introd

by Pfeiffer, Enrenfried.

Type: book Book; Format: print ; Literary form: not fiction Publisher: Londo :Faber and Faber , 1947Availability: Copies available for loan: BCO [631.8 P526] (1). Actions: Add to cart
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2. Theory and practice in the use of fertilizers

by Bear, Firman E. (Firman Edward).

Edition: 2d ed.Type: book Book; Format: print ; Literary form: not fiction Publisher: New York, London, Wiley; Chapman & Hall, 1938Availability: Copies available for loan: BCO [631.8 B368 1938] (1). Actions: Add to cart
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