junei6, I9I9 Sulpkates AffecUng Plant Gvowtk Gud Compositiou , loi 



(8) Chancrin, E., and Desriot, A. 



191 1. ACTION OF SULFUR AS A FERTILIZER. (Abstract.) In Cliem. Ab- 

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 comme engrais sur le developpement des pommes de terre et des 

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 1911. Not seen. 



(9) Fred, E. B., and Hart, E. B. 



191 5. THE comparative EFFECT OF PHOSPHATES AND SLTLPHATES ON SOIL 



BACTERIA. Wis. Agr. Exp. Sta. Research Bui. 35, p. 35-66, 6 fig. 



(10) Hall, Alfred Daniel, BrenchlEy, Winifred, Elsie, and Underwood, Lilian 



Marion. 



1914. THE soil solution and the MINERAL CONSTITUENTS OF THE SOIL. 



In Jour. Agr. Sci., v. 6, pt. 3, p. 278-300, pi. 4-8. 



(11) Hart, E. B., and Peterson, W. H. 



1 911. sulphur requirements of farm crops in relation to the soil 

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(12) and Tottingham, W. E. 



1915. relation of sulphur compounds to plant nutrition. In Jour, 



Agr. Research, v. 5, no. 6, p. 233-250, pi. 20-22. Literature cited, 

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(13) Janicaud, W. 



I914. HAS SULPHUR A DIRECT GROWTH EFFECT ON PLANTS? (Abstract.) 



In Chem. Abstracts, v. 8, no. 14, p. 2592. 1914. Original article 

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(14) LiPMAN, Jacob G. 



1916. SULPHLTR ON ALKALI SOILS. In Soil Sci., V. 2, no. 3, p. 205. 

 (15) and McLean, H. C. 



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 (16) and Lint, H. Clay. 



1916. SULPHUR OXIDATION IN SOILS AND ITS EFFECT ON THE AVAILABILITY 



OF MINERAL PHOSPHATES. In Soil Sci., V. 2, no. 6, p. 499-538, 5 fig. 

 Literature cited, p. 535-538. 



(17) Lyon, T. Littleton, and Bizzell, James A. 



1918. lysimeter experiments ... N. Y. Cornell Agr, Exp. Sta. Mem. 12, 

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(18) McLean, Harry C. 



1918. oxidation of sulphur by microorganisms, /n Soil Sci., v. 5, no. 4, 

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(19) Peterson, W. H. 



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THE SOIL SUTPLY. In Jour. Amer. Chem. Soc, v. 36, no. 6, p. 1290- 

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(20) PiTZ, W. 



1916. EFFECT OF ELEMENTAL SULPHUR AND OF CALCIUM SULPHATE ON 

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In Jour. Agr. Research, v. 5, no. 16, p. 771-780, pi. 56. 



(21) REiMER, F. C. 



1914. SULPHUR FERTILIZER FOR ALFALFA. In Pacific Rural Press, v. 87^ 

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