NEw -YorK AGRICULTURAL EXPERIMENT STATION. 
79 
SUMMARY OF RESULTS OBTAINED IN THE TEN- 
YEAR EXPERIMENTS, 1902-1906. 
The following table shows the results obtained in the ten-year 
experiments during the first five vears: 
TABLE XIIJ.— SUMMARY OF THE TEN-YEAR EXPERIMENTS FOR FIVE YEARS. 









AT GENEVA. AT RIVERHEAD, 
YEAR. Cee eet A. Gain per A. Ca pe) A. Gain per A, 
spraying pas £O, spraying dae ie 
eve1ry two ggg he has every two ielerttkes 
ielaledy three times. aaa three times. 
Bu. Bu. Bu. Bu. 
EO PIE OL Go cic pe 5. side piece we 1234 984 45 | 274 
ME Oesemh ene emredes Detar sats Rae ie kha le & 118 88 56, | 394 
CE MENUS yc icle ce asus ete's we a 230 191 96 564 
WENO. 5) ko dO et Ie ea ae ean ee 119 107 82 31% 
IMT. Saeed de a 2a ee Sears 63 32 5S 214 
PVC Men sc acee Seis bk 6s 132 1034 664 354 





FARMERS’ BUSINESS EXPERIMENTS. 
OBJECT CF THE EXPERIMENTS. 
Many farmers question the reliability of the results obtained 
in experiments like the Station ten-year experiments described 
in this bulletin. They doubt that such results can be obtained in 
ordinary farm practice. The common objections to the experi- 
ments are: (1) They are on too small a scale (three-tenths of an 
acre); (2) the spraying is done more thoroughly than farmers 
would do it; (3) it is difficult to determine accurately the ex- 
pense of the spraying; (4) the idea is prevalent that the Station 
potatoes are given extra good care in order that large yields 
may be obtained. 
To satisfy this demand for experiments of a more practical 
kind the Station decided to conduct a series of farmers’ business 
experiments so managed as to show the actual profit in spraying 
potatoes under farm conditions. This work was commenced in 
1903 with six experiments. In 1904, fourteen such experiments 
were made, in 1g05 fourteen and in 1906 fifteen. The results 
have been of such general interest, that it has been decided to 
make several of these business experiments each season during 
the remaining five years in which the potato spraying experi- 
ments are to be continued. 
