1945, pp. 4-9

5. SCARSETH, GEORGE D. Growing Bananas on Acid SoilsAgriculture in the
Americas, Vol. IV. October, 1944, No. 10

6. RAYNER, M. C. and NEILSON-JONES, W. Problems of Tree Nutrition Faber
and Faber, Lt. London

7. ROACH, W. A. Soil Fertility and Trace Elements Soil Conservation,
Washington. October, 1945 Condensed in Farmer's Digest, Ambler, Pa.
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8. CAMP, A. F. The Minor Elements in Citrus Fertilization Commercial
Fertilizer, Atlanta, Ga. January, 1945

9. CHAPMAN, H. D.; BROWN, S. M.; and RAYNER, D. S. Nutrient Deficiencies
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10. McLEAN, F. T. Feeding Plants Manganese through the Stomata Science
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11. SPRAY AND DUST SCHEDULES, Published Annually Florida Citrus
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13. McCOLLUM, E. V. ORENT-KEILES The Newer Knowledge of Nutrition. Fifth
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14. HOAGLAND, D. R. Inorganic Nutrition of Plants Chronic Botanica,
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15. HUNGER SIGNS OF CROPS--A Symposium National Fertilizer Assn.
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Florida Agr. Exp. Sta. Annual Report 1936, 75 (1937)

17. BLACKMON, G. H. Pecan Variety Response to Different Soil Types,
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(1936)

18. ARK, P. A. Little Leaf or Rosette of Fruit Trees VII. Soil
Microflora and Little Leaf or Rosette Disease Proc. Amer. Soc. of
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19. ROHRBAUGH, P. W. Mineral Nutrient Deficiencies in California Citrus
Trees and their Causes California Citrograph, April-May, 1946

20. WHITE, CLARENCE Decorative Rock Mulches Organic Gardening, November,
1945--Emmaus, Pa.

21. RIOU, PAUL and DELORME, JOACHIM Manganese in Maple and Cane Sugars
Comptes Rendues 200 1132-3 (1935) C.A. 294617

22. DELORME, JOACHIM Manganese in Maple and Cane Sugars Contrib. Lab.
del'Ecole Hautes Etudes Comm. Montreal No. 7, page 32 1937

23. BAUDISCH, OSKAR Biological Functions of Minor Elements Soil Sci.
Vol. 60 No. 2 August, 1945

24. ELLIS, CARLETON; SWANEY, MILLER. W. Soilless Growth of Plants
Reinhold Publishing Co. 1938

24. WILLIS, L. G. and PILAND, J. R. Minor Elements and Major S