Issued September IT, I'.iH. 



PORTO RICO AGRICULTURAL EXPERIMENT STATION, 



D. W. MAY, Special Agent in Charge, 



Mayagucz, P. R. 



Bulletin No. 16. 



THE EFFECT OF STRONGLY CALCAREOUS SOILS 

 ON THE GROWTH AND ASH COMPOSI- 

 TION OF CERTAIN PLANTS. 



p. L. GILE, 



Chemist, 



C. N. AGETON, 



Assistmit Chemist. 



UNT>ER THE SUPERVISION OF 



OTTICE OF EXPERIMENT STATIONS, 



U. S. DEPARTMENT OF AGRICULTURE. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1914. 



