Literature Cited
- ALBRECHT, Wm. A. Our teeth and our soils. Ann. Dent., 6:199-213. 1947.
- BEAR, FIRMAN E., and PRINCE, ARTHUR L. Cation-equivalent constancy in alfalfa. Jour. Amer. Soc. Agron., 37:217-222. 1945.
- ------ and TOTH, STEPHEN J. Influence of calcium on availability of other soil cations. Soil Sci., 65:69-74. 1948.
- BEESON, KENNETH C. The mineral composition of crops, with particular reference to the soil on which they w'ere grown. U.S.D.A. Misc. Pub, No. 369. 1941.
- BOUSSINGAULT, J. B. Rural Economy. Translation bv George Law. New York: Orange Judd. p. 64. 1865.
- HARMER, PAUL M., and BENNE, ERWIN J. Sodium as a crop nutrient. Soil Sci., 60: 137-149. 1945.
- LUCAS, R. E., and SCARSETH, G. D. Potassium, calcium. and magnesium balance and reciprocal relationships in plants. Jour. Amer. Soc. Agron., 39: 887-897. 1947.
- NIGHTINGALE, GORDON T. The nitrogen nutrition of green plants. 11. Bot. Rev., 14: 185-221. 1948.
- Sims, G. T., and VOLK, G. M. Composition of Florida-grown vegetables. Fla. Agr. Exp. Sta. Bul. 438. 1947.
- WALLACE, ARTHUR, TOTH, STEPHEN J., and BEAR, FIRMAN E. Further evidence supporting cation-equivalent constancy in alfalfa. Jour. Amer. Soc. Agron., 40: 80-88. 1948.
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