lamed March 23, 1912. 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF CHEMISTRY BULLETIN No. 149. 



H. W. WILEY, Chief of Bureau. 



THE GROWTH OF WHEAT SEEDLINGS AS 



AFFECTED BY ACID OR ALKALINE 



CONDITIONS. 



BY 



J. F. BREAZEALE AND J. A. LE CLERC, 



Laboratory of Plant Physiological Chemistry. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1912. 



