New York AGRICULTURAL EXPERIMENT STATION. 101 
Five-acre field; east test The rows were 409 feet long by 3 
feet wide, 35.5 rows being required to make an acre. The yields 
were as follows: 
Second sprayed row on the west, 353 lbs. marketable tubers. 
Second sprayed row on the east, 342 lbs. marketable tubers. 
Middle unsprayed row, 293 lbs. marketable tubers per acre. 
Yield, sprayed, 205 bu. 36 lbs. marketable tubers per acre. 
Yield, unsprayed, 173 bu. 21 lbs. marketable tubers per acre. 
Gain, 32 bu. 15 lbs. marketable tubers per acre. 
There was no loss from rot. The yield of small potatoes was at 
the rate of 10.6 bu. per acre for the sprayed rows and 15.4 bu. 
per acre for the unsprayed. 
Combining the results obtained in the three tests we have an 
average gain of 31 bu. 31 lbs. marketable tubers per acre. The 
market price of potatoes being 40 cents per bushel the value of the 
gain would be $12.60. After. deducting $3.34, the expense of spray- 
ing, there remains a net profit of $0.26 per acre. 
THE HEBRON EXPERIMENT. 
This experiment was conducted by W. B. Shaw, Hebron, 
Washington County, who made a similar experiment for the 
Station in 1905. The experiment field had an area of about five 
acres. It was in a rather low situation and a small stream divided 
it into three irregular plats. In two of the plats the soil was 
sandy loam and in the third slaty loam. All three plats were 
planted with an unknown variety of late potatoes. 
The spraying outfit was similar to the one used in the 1905 
experiment. It was a home-made rig consisting of an Empire 
King barrel spray pump mounted in a fifty-gallon barrel on a 
two-wheeled, one-horse cart. The total cost of it was about $20. 
One man on the cart drove and worked the pump while two 
other men walking behind the cart directed the nozzles attached 
at the ends of two long leads of hose from the spray pump. Four 
rows were sprayed at each passage through the field. This 
method of spraying is known as the two-hose-and-three-men 
method. The bordeaux used was of the 6-6-50 formula and the 
water required in making it was obtained from the brook which 
ran through the field. The field was sprayed three times — 
July 13-14, 31 and August 13-14. In the first spraying the quan- 
tity of bordeaux applied was about 50 gallons per acre; in the 
second and third sprayings about 67 gallons per acre. A check 
_ of three unsprayed rows was left in each of the plats. 
