170 LIST OF LITERATURE 



Moxon, A. L. (1937). Alkali disease or selenium poisoning. Bull. 



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 Muhr, G. R. (1940). Available boron as affected by soil treatments. 



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 Muhr, G. R. (1942). Plant symptoms of boron deficiency and the effect 



of borax on the yield and chemical composition of several crops. 



Soil Sci. 54, 55-65. 

 Muir, W. R. (1936). The teart pastures of Somerset. Agric. Progr. 13, 



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 Myers, V. C, Mull, J. W. and Morrison, D. B. (1928). The estimation 



of aluminium in animal tissues. J. Biol. Chetn. 78, 595-604. 



Naftel, J. A. (1939). Colorimetric determination of boron. Industr. 



Engng Chem. (Anal, ed.), 11, 407-9. 

 Nelson, E. M., Hurd-Karrer, A. M. and Robinson, W. O. (1933). 



Selenium as an insecticide. Science, 78, 124. 

 Newell, W., Mowry, H. and Barnette, R. M. (1930). The tung-oil 



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O'Connor, R. T. (1941). Spectrochemical Analysis of trace elements 



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 Olsen, C. (1934). The absorption of manganese by plants. C.R. trav. 



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 Olsen, L. C. and De Turk, E. E. (1940). Rapid microdetermination of 



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Soil Sci. 50, 257-64. 

 Orr, J. B. and Holmes, A. (1931). The mineral deficiencies of pastures 



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 Orton, W. A. and Rand, F. V. (1914). Pecan rosette. J. Agric. Res. 



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 Oserkowsky, J. and Thomas, H. E. (1933). Exanthema in pears and 



its relation to copper deficiency. Science, 78, 315-16. 

 Ovinge, A. (1935). Het optreden van kwade harten in Schokkers in 



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 Ovinge, A. (1938). Kwade Harten -Proeven in Zeeland in 1937. Tijdschr. 



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Parker, E. R. (1934). Experiments on the treatment of mottle-leaf of 



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 Parker, E. R. (1936). Experiments on the treatment of mottle-leaf of 



Citrus trees. II. Proc. Amer. Soc. Hort. Sci. 1935, 33, 82-6. 

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Citrus trees. Proc. Amer. Soc. Hort. Sci. 1936, 34, 213-15. 

 Perla, D. (1939). The prevention of toxic manifestations of an excess 



of vitamin B, by supplements of manganese to the diet. Science, 



89, 132-3. 



