Agronomy; or a Treatise on the Constituent Parts and Physical Properties of the Soil, and the best Method of acquiring a Knowledge of the different Earths, and ascertaining their Value. (Albrecht Thaer)

Agronomy; or a Treatise on the Constituent Parts and Physical Properties of the Soil, and the best Method of acquiring a Knowledge of the different Earths, and ascertaining their Value.

Albrecht Thaer

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acquiring best constituent different knowledge soil treatise value parts

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