8. Neller, J. R., D. W. Jones, N. Gammon, Jr., and R. B. Forbes. 1951.
 Leaching of fertilizer phosphorus in acid sandy soils as affected by
 lime. Fla. Agr. Exp. Sta. Cir. S-32.

 9. Pritchett, W. L., and W. R. Llewellyn. 1966. Response of slash pine
 to phosphorus in sandy soils. Soil Sci. Soc. Amer. Proc. 30:509-519.

10. Pritchett, W. L., and W. H. Smith. 1968. Fertilizing slash pine on
 sandy soils of the lower coastal plain. Third N. Amer. Forest Soils
 Conf., Raleigh, N. C. (in press).

11. Smith, F. B., R. G. Leighty, R. E. Caldwell, V. W. Carlisle, L. G.
 Thompson, Jr., and T. C. Mathews. 1967. Principal soil areas of Flor-
 ida. Fla. Agr. Exp. Sta. Bull. 717.

12. Steele, R. G. D., and J. H. Torrie. 1960. Principles and Procedures of
 Statistics. McGraw-Hill Book Co., Inc., N. Y.

13. Tamm, C. 0. 1960. Nutrient uptake and growth after fertilization in
 Sweden. 7th Int. Cong. Soil Sci. Proc., Madison, Wise. 4:347-354.