Bulletin 129. February, 1897. 



Cornell University Agricultural Experiment Station. 



ITHACA, N. Y. 



CHEMICAL DIVISION. 



HOW TO CONDUCT 



FIELD EXPERIMENTS 



WITH FERTILIZERS. 





» J5^ 



By Q. C. CALDWELL, 



PUBUSHED BY THE UNIVERSITY, 



ITHACA, N. Y. 



1897. 



