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Progressive agricutlure, 1916, tillage, not weather, controls yield

Auteur(s): Campbell, Hardy Webster
Éditeur(s): Woodruff bank note co.
Contributeur(s): Biodiversity Heritage Library
Collection(s): Biodiversity Heritage Library
Catégorie: Others
Le sujet(s): Dry farming. [from old catalog]

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Progressive agriculture, 1916 tillage, not weather, controls yield

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