New YoRK AGRICULTURAL EXPERIMENT STATION. 107 
twice (June 12 and 27) and should have had a third spraying about 
July 7, but owing to the pressure of work in haying time it was 
postponed until July at. 
The items of expense for spraying 45 acres four times and g 
acres a fifth time (which is equivalent to spraying 189.acres once) 
were as follows: 
Pe eeapeer siiphate, (6.256. oo 6dvcc woe sawed los desc etackes $62.63 
Rte tA re hore dot, Se yuh fot AR wide Bee Aa, Sige 
Mere m i sarig’ Teer (One oe ek tld edd Ma wll we 19.20 
ume SETI HG) 6.250- oo) eel ek Sale bo oye eileen oly’ haba ee clan shee 4.€9 
RE CaN RMT SER PRL Br Sate Be oe te oO Dn Ot 
SINE RAMS RCR MEI BG o0 0 2 VA Ve siiclccoin dele sley Ma fee Sean testy ee o3 2.25 
Se teeenise labor for horse @pi0¢ss el duseaniceewt Pky 2h hale TEM vg cial ee eras 
SeeeReIAOr LOM MANNE se xy olor PME Aid oo WAL RECS ise aihrsde oly webs a7t7s 
AV ETS uray AGS. ONG OS GARE RAGS WSL Squats 5.00 
EO te okt, Li) SEN a MeL Agee earth «aI ote egiale $155.07 
The total expense of spraying was $3.44 per acre or 82 cents 
per acre for each application. 
The digging of the three sets of test rows showed the following 
results : | 
Lot J.— The test rows were 890 ft. long by. 3 ft. wide, 16.2 rows 
being required to make an acre. They were dug September 6. 
The yields were as follows: 
Second sprayed row on the west, 674.5 lbs. marketable tubers. 
Second sprayed row on the east, 650 lbs. marketable tubers. 
Average of middle two unsprayed rows, 614.5 Ibs. marketable tubers. 
Yield, sprayed, 178 bu. 48 lbs. marketable tubers per acre. 
Yield, unsprayed, 166 bu. 10 lbs. marketable tubers per acre. 
Gain, 12 bu. 38 lbs. marketable tubers per acre. 
There was no rot. The yield of small potatoes was at the rate 
of 28 bu. per acre on the sprayed rows and 29.7 bu. per acre on 
the unsprayed. 
Lot II— The test rows were 600 ft. long by 3 ft. wide, 24.2 rows 
being required to make an acre. They were dug September 6. 
The yields were as follows: 
Second sprayed row on the south, 450 lbs. marketable tubers. — 
Second sprayed row on the north, 477 lbs. marketable tubers. 
Average of middle two unsprayed rows, 458 lbs. marketable tubers. 
Yield, sprayed, 187 bu. 37 lbs. marketable tubers per acre. 
Vield, unsprayed, 184 bu. 44 lbs. marketable tubers per acre. 
Gain, 2 bu. 53 lbs. marketable tubers per acre. 
