362 SOIL CONDITIONS AND PLANT GROWTH 



Page of text 

 on which 

 reference 

 is made. 



45. Boussingault, J. B., " Recherches chimiques sur la ve"ge"tation entre- 



prises dans le but d'examiner si les plantes prennent de 1'azote a 

 1' atmosphere, 'Mww. Chim. Phys. (II.), 1838, Ixvii., 5-54; 1838, Ixix., 

 353-67; 1856 (Hi.), 46 ........ 20,192 



46. Boussingault, J. B., " De la discussion de la valeur relative des assole- 



ments par les re"su!tats de 1'analyse e"le~mentaire," ibid. (III.), 1841, 



i., 208-46 ......... 12, 192 



47. Boussingault, J. B., Economic Rurale considered dans ses Rapports avec 



la chimie, la Physique, et la Meteorologie, 2nd ed., 1851, Paris (con- 

 tains a summary of his work up to that time) . . . . 14 



48. (a) Boussingault, J. B , and Lewy, " Sur la composition del'air confine 



dans la terre vegetale," Ann. Chim. Phys., 1853, xxxvii., 5-50 . 175, 227 

 (b) Boussingault, J. B., " Sur la nitrification de la terre arable," Compt. 



Rend., 1873, Ixxvi., 22-^9; Annales de Chimie, 1873, xxix., 186-206 178 

 (Boussingault's complete papers were collected in 8 volumes in 1891. 



48 (a) is found in Vol. 2, p. 76, and (b) in Vol. 5, p. 311.) 



49. Bouyoucos, G. J., (a) "Soil temperature," Michigan Tech. Bull No. 



*7> 1913 ; No. 26, 1916 ......... 233 



(b) " Effect of Temperature on Some of the Most Important Physical 

 Processes in Soils," ibid., No. 22, 1915 ...... 233 



(c) Bouyoucos, G. J., and McCool, M. M., " The Freezing-point Method 

 as a New Means of Measuring the Concentration of the Soil Solu- 

 tion Directly in the Soil," ibid., No. 24, 1915. 



"Further Studies of the Freezing-point lowering of Soils," ibid., No. 



See also Special Bull. 36, 1:918 ; Tech. Bull. 37, 1918 ; Tech. Bull. 42, 



I 9i'8 ........... 125, 173, 225 



50. Boyle, Robert, The Sceptical Chymist, Part II., 1661 .... 3 



51. Breazeale, J. F., (a) "Effect of the Concentration of the Nutrient Solu- 



tion upon Wheat Cultures," Science, 1905, 146-49 .... 238 

 (b) "The Relation of Sodium to Potassium in Soil and Solution 



Cultures," Journ. Amer. Chtm. Soc., 1906, xxviii., 1013-25 . . 73 



52. Bredemann, G., " Bacillus Amylobacter A. M. et Bredemann," Centr. 



Bakt. Par., Abt. II., 1909, xxiii., 385-568 ..... 200 



53. Brenchley, Winifred E., (a) "The Influence of Copper Sulphate and 



Manganese Sulphate upon the Growth of Barley," Annals of Botany , 



1910, xxiv., 571-83 ......... 76, 84 



(b) "On the Action of Certain Compounds of Zinc, Arsenic and Boron 



on the Growth of Plants," ibid., 1914, xxviii., 283-301 . . 78, 83 



(c) " The Effect of the Concentration of the Nutrient Solution on the 

 Growth of Barley and Wheat in Water Cultures," ibid., 1916, xxx., 

 77-90 ............ 238 



(d) "Inorganic Plant Poisons and Stimulants" (Camb. Univ. Press, 

 1914). (A review of the extensive literature of the subject) . 85, 237 



54. Bretschneider, Ber. landw. Ver.-Stat. zu Ida Marien hutte, 1861, iv., 



108 (Abs. in Jahresb. Agric. Chem., 1862, iv., 123) .... 21 



55. (a) Briggs, L. J., " The Mechanics of Soil Moisture," U.S. Dept. of 



Agriculture Bureau of Soils, Bull. No. 10, 1897 .... 224 

 (b) Briggs, L. J., and Shantz, H. L., "A Wax Seal Method for Deter- 

 mining the Lower Limit of Available Soil Moisture," Bot. Gaz., 



1911, li., 210-19 ........ . 221 



