244 Report op the Botanical Department of the 



SUMMARY OF BUSINESS EXPERIMENTS IN 1911. 



Table XXIV. — Showing Results of Business Expebiments in 1911. 



* Four double-sprayings. 



Average increase in yield per acre, 18.2 bushels. 

 Average net profit per acre, $8.09. 



SUMMARY OF BUSINESS EXPERIMENTS, 1903-1911. 



Table XXV. — Showing Results of Business Experiments in 1903-11. 



Average increase in yield for nine years, 36.1 hu. per acre. 

 Average net profit for nine years, $14.43 per acre. 



REMARKS ON RESULTS OF BUSINESS EXPERIMENTS. 



It is unfortunate that the business experiments were not com- 

 menced at the same time as the ten-year experiments in order that 



