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Books Books 1 - 10 of about 43 related to Agronomy, a Series of Monographs.   

Soil-plant Relationships

Charles Allen Black - Growth (Plants) - 1957 - 332 pages
Soil composition. Soil water. Soil aeration. Exchangeable bases. Soil acidity. Soil salinity and alkalinity. Nitrogen. Phosphorus. Potassium.
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Soil Fertility

Charles Ernest Millar - Fertilizers - 1955 - 436 pages
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