Soil Fertility and Fertilizers
By Samuel L. Tisdale and Werner L. Nelson. Pp. xxii + 430. (New York and London: The Macmillan Company, 1956.) 45s. net.
Farm Soils
Their Fertilization and Management. By Prof. Edmund L. Worthen and Prof. Samuel R. Aldrich. Fifth edition. (Wiley Farm Series.) Pp. viii + 439 + 5 plates. (New York: John Wiley and Sons, Inc.; London: Chapman and Hall, Ltd., 1956.) 40s. net.
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SMITH, A. Soil Improvement and Better Crops. Nature 180, 3–4 (1957). https://doi.org/10.1038/180003b0
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DOI: https://doi.org/10.1038/180003b0