Henry Harris Hill

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Books

Chemical Studies of Virginia Soils

Chemical Studies of Virginia Soils

Walter Beal Ellett, Henry Harris Hill

A Ten-year Study of the Effect of Fertilizers on the Soluble Plant Food in the Soils and on the Crop Yield

A Ten-year Study of the Effect of Fertilizers on the Soluble Plant Food in the Soils and on the Crop Yield

Walter Beal Ellett, Henry Harris Hill

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