MINERAL COMPOSITION OF CROPS 69 



(189) Fonder, John F. 



1929. THE RELATIONSHIP OF SOIL TYPE TO THE CALCIUM AND MAGNE- 

 SIUM CONTENT OF GREEN BEAN STEMS AND LEAVES AND OF 



their expressed juice. Soil Sci. 27: 415-431. 



(190) 



1929. VARIATIONS IN THE CALCIUM AND MAGNESIUM CONTENTS OF PEA 

 PLANTS ON DIFFERENT SOIL TYPES. Soil Sci. 28: 15-26. 



(191) — — - 



1929. VARIATIONS IN POTASSIUM CONTENT OF ALFALFA DUE TO STAGE OF 



GROWTH AND SOIL TYPE AND THE RELATIONSHIP OF POTASSIUM 

 AND CALCIUM IN PLANTS GROWN UPON DIFFERENT SOIL TYPES. 



Amer. Soc. Agron. Jour. 21: 732-750. 



(192) Forbes, E. B., Beegle, F. M., and Mensching, J. E. 



1913. mineral and organic analyses of foods. Ohio Agr. Expt. 



Sta. Bui. 255, pp. 211-231. 



(193) and Johnson, S. R. 



1939. PHOSPHORUS DEFICIENCY AMONG CATTLE IN PENNSYLVANIA. Pa. 



Agr. Expt. Sta. Bui. 371, 25 pp. 



(194) and Keith, M. Helen 



1914. A REVIEW OF THE LITERATURE OF PHOSPHORUS COMPOUNDS IN 



animal metabolism. Ohio Agr. Expt. Sta. Tech. Bui. 5, 583 

 pp. 



(195) Whittier, A. C, and Collison, R. C. 



1910. THE MINERAL NUTRIENTS IN BLUEGRASS. Ohio Agr. Expt. Sta. 



Bul. 222, pp. 39-53. 



(196) Franke, Kurt W., and Painter, E. Page. 



1937. EFFECT OF SULFUR ADDITIONS ON SELENIFEROUS SOILS. BINDING 



of selenium by soil. Indus, and Engin. Chem. 29: 591-595. 



(197) Rice, T. D., Johnson, A. G., and Schoening, H. W. 



1934. REPORT ON A PRELIMINARY FIELD SURVEY OF THE SO-CALLED 



"ALKALI DISEASE" OF LIVESTOCK. U. S. Dept. Agr. Cir. 320, 

 10 pp., illus. 



(198) Frear, Donald E. H. 



1934. A STUDY OF THE IODINE CONTENT OF PENNSYLVANIA POTATOES. 



Jour. Agr. Res. 48: 171-182, illus. 



(199) Fudge, B. R. 



1938. MAGNESIUM DEFICIENCY IN RELATION TO YIELD AND CHEMICAL 



COMPOSITION OF SEEDY AND COMMERCIALLY SEEDLESS VARIETIES 



of grapefruit. Fla. Proc. State Hort. Soc. 51: 34-43. 



(200) Fulmer, H. L. 



1916. sweet clover. Ontario Dept. Agr. Bul. 235, 32 pp. 



(201) Garner, W. W., McMurtrey, J. E., Jr., Bowling, J. D. Jr., and Moss, 



E. G. 



1930. MAGNESIUM AND CALCIUM REQUIREMENTS OF THE TOBACCO CROP. 



Jour. Agr. Res. 40: 145-168. 



(202) McMurtrey, J. E., Jr., Bowling, J. D., and Moss, E. G. 



1930. ROLE OF chlorine in nutrition and growth of the tobacco 



PLANT AND ITS EFFECT ON THE QUALITY OF THE CURED LEAF. 



Jour. Agr. Res. 40: 627-648, illus. 



(203) Gautier, Armand, and Clausman, Paul. 



1916. le fluor dans le regne vegetal. [Paris] Acad, des Sci. Compt. 

 Rend. 162: 105-112. 



(204) Geilman, W. 



1920. UBER die verbreitung des titans in boden und pflanzen. 

 Jour. f. Landw. 68: 107-124. 



(205) and Brunger, K. 



1935. UBER DIE AUFNAHME VON GERMANIUM DURCH PFLANZEN. Bio- 



chem. Ztschr. 275: 387-395. 



(206) Giesecke, F., Schmalfuss, K., and Rathje, W. 



1938. VERSUCHE UBER DIE SPURENELEMENTWIRKUNG DES CHILESAL- 



peters in gefasskulturen. Bodenk. w. Pflanzenernahr. 

 9-10: 580-587. 



(207) Gilbert, B. E., McLean, F. T., and Hardin, Leo J. 



1926. THE relation of manganese and iron to lime induced chlo- 

 rosis. Soil Sci. 22: 437-446. 



