144 REPORT OF ‘THE BOTANICAL DEPARTMENT OF THE 
chargeable to those who conducted the experiments. In compil- 
ing the reports care has been taken to state the facts exactly as 
they were given to us. Moreover, each report was submitted, 
before publication, to the farmer furnishing it, for criticism and 
correction. 
It is to be regretted that lack of space necessitates such close 
condensation of the reports as to make them tedious reading. 
In some cases it has been necessary to omit matter of considerable 
interest. The experiments are designated by numbers and taken 
up in the order of their location, commencing with those in the | 
western part of the State and working east to Albany, after which 
come those located on Long Island. 
| EXPERIMENT NO. 1. 
Sonducted by George A. Kirkland, Dewittville, Chautauqua 
County. Two and three-fourths acres of potatoes, variety Light- 
ning Express, were sprayed five times (July 6, 16, 30, August 
15 and 29), with a one-horse, home-made rig covering two rows 
at each passage with two Vermorel nozzles per row. The pump 
used with an Eclipse No. 5 barrel spray pump. One man did 
both the pumping and the driving. The cost of materials for 
Spraying was as follows: 
150 pounds copper sulphate, at 634¢.............06. $10 12 
ieharrel limersicess oo. eb. Tice eh eee tee Moe 90 
OU a sais Gig w iese's pois atk ds del a. aketisiai Shab oe cic ea ae $11 02 
No record was kept of the labor. 
Two rows 40 rods long, 3 feet apart, were left unsprayed. 
On September 3 these rows were entirely dead while the sprayed 
rows still had 75 per ct. of their foliage. The two unsprayed 
rows yielded 1634 bushels or at the rate of 18414 bushels per acre, 
while two sprayed rows adjacent yielded 1914 bushels or at the 
rate of 211%4 bushels per acre which is a gain of 2714 bushels per 
acre.*’ There was no rot on the sprayed and only a little on the 
unsprayed rows. : : 
Another portion of the same field was planted with Churchill 
Seedling, some rows of which were sprayed five times as above 
— 

“Unless otherwise stated, only marketable tubers are considered in these 
experiments, 
