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369. March, 1941

2. FEARON, W. R. A Classification of the Biological Elements Sci. Proc.

Royal Dublin Soc. Vol. 20 No. 35. February, 1933

3. WISCHHUSEN, J. F. Minerals in Agricultural and in Animal Husbandry

Manganese Research & Development Foundation Cleveland 10, Ohio

4. RODALE, J. I. The Organic Forest--Editorial Organic Gardening,

Emmaus, Pa. April, 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,

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January, 1946

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

in Citrus California Citrograph, May, 1945

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66 (1927). Exp. Sta. Rec No. 58

11. SPRAY AND DUST SCHEDULES, Published Annually Florida Citrus

Commission, Lakeland, Fla.

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Deficiency Symptoms of Walnut Trees Proc. Horticultural Science 39.

133--6. 1941

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1944, pp. 32-3

15. HUNGER SIGNS OF CROPS--A Symposium National Fertilizer Assn.

Washington, D. C. 1941 Judd & Detwiler, Baltimore, Md.

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Florida Agr. Exp. Sta. Annual Report 1936, 75 (1937)

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Localities: Zinc Treatments Florida Agr. Exp. Sta. Ann. Rep. 1935, 74-5,

(1936)

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Microflora and Little Leaf or Rosette Disease Proc. Amer. Soc. of

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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

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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

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Manganese, Iron and Ash Constituents Bot. Gazette 94 (1933) E.S.R. 69,

511

27. WISCHHUSEN, J. F. Recommendations for Feeding Manganese Manganese

Research & Development Foundation, Cleveland 10, Ohio

Northern Nut Growers Association Report of the Proceedings at the Thirty-Seventh Annual Report Wooster, Ohio, September 3, 4, 5, 1946 · 第 241 / 315 题