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Soil fertility and permanent agriculture.

Auteur(s): Hopkins, Cyril George
Date de publication: [1910]
Éditeur(s): Ginn
Contributeur(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Catégorie: Others
Le sujet(s): Fertilizers and manures , Soil fertility
mots-clés: Soil fertility Fertilizers and manures

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