Florida Agricultural Experiment Stations


17. REUTHER, W., and P. F. SMITH. Leaf analysis of citrus. Mineral nu-
 trition of fruit crops. Chap. 7: 257-294. Horticultural Publications,
 Rutgers University. 1954.
18. REUTHER, W., and P. F. SMITH. Toxic effects of accumulated copper in
 Florida soils. Proc. Fla. Soil Sci. Soc. 14: 17-23. 1954.
19. REUTHER, W., F. E. GARDNER, P. F. SMITH, and W. R. ROY. Phosphate
 fertilizer trials with oranges in Florida. I. Effects on yield, growth,
 and leaf and soil composition. Proc. Amer. Soc. Hort. Sci. 53:
 71-84. 1949.
20. REUTHER, W., F. E. GARDNER, and A. W. SPECHT. A comparison of
 the mineral composition of Valencia orange leaves from the major
 producing areas of the United States. Proc. Fla. Sta. Hort. Soc.
 62: 38-45. 1949.
21. SCHULER, P. E., and J. C. TOWNSEND, JR. Florida Citrus Fruit. An-
 nual Summary, 1954. U. S. Dept. of Agri., Agri. Marketing Serv.
 1954.
22. SITES, J. W., and E. J. DESZYCK. Effect of varying amounts of potash
 on yield and quality of Valencia and Hamlin oranges. Proc. Fla.
 Sta. Hort. Soc. 65: 92-98. 1952.
23. SITES, J. W., H. J. REITZ, and E. J. DESZYCK. Some results of irriga-
 tion research with Florida citrus. Proc. Fla. Sta. Hort. Soc. 64:
 71-79. 1951.
24. SMITH, P. F. Effect of phosphate fertilization on root growth, soil
 pH, and chemical constituents at different depths in an acid sandy
 Florida citrus soil. Proc. Fla. Sta. Hort. Soc. 69: 25-29. 1956.
25. SMITH, P. F., and W. REUTHER. Mineral content of oranges in relation
 to fruit age and some fertilization practices. Proc. Fla. Sta. Hort.
 Soc. 66: 80-85. 1953.
26. SNEDECOR, G. W. Statistical methods. Iowa State College Press. 1950.
27. SPENCER, W. F. A rapid test for possible excesses of copper in sandy
 soils. Fla. Agri. Expt. Sta. Bull. 544. 1954.
28. SPENCER, W. F. Distribution and availability of phosphates added to a
 Lakeland fine sand. Soil Sci. Soc. Amer. Proc. 21(2): 141-144.
 1957.
29. WILLSON, A. E. Analysis of citrus tissues. Unpublished. Progress
 Report: 340. Fla. Agri. Expt. Sta. 1950.
30. WILLSON, A. E. Rapid 8-quinolinol procedures for determination of
 magnesium. Anal. Chem. 23: 754. 1951.
31. WILLSON, A. E., W. J. AREY, and F. W. BISTLINE. Errors in citrus soil
 and leaf sampling procedures. Proc. Fla. Sta. Hort. Soc. 68:
 107-112. 1955.