Botany and History of Comfrey, Garden Uses of Comfrey
BücherAngebote / Angebote:
In-depth research on Comfrey (Symphytum) using historical documents and botanical literature from many countries. Art from 1555 to 1913. Botanical naming, chromosomes and breeding with descriptions and history. Comfrey as soil conditioner, liquid fertilizer and compost. Nutritional value.
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