proof- 
POTATOES-—Here are the results of two years of co¬ 
operative potato spraying tests, held under County 
Agents* supervision in different sections: 
Newman Doyle, Caribou, Maine . 
Adolph Gustafson, Solway, Minn . 
Prof. T. M. McCall, Crookston, Minn. 
Bowkcr Expeji-. Farm, Pompton, N. J. 
H. A. Ward, Limestone, Maine . 
Average yield per acre . 
Yield with 
Pyrox 
Bn. per acre 
334 
138 
222 
151 
325 
Yield with home¬ 
made Bordeaux 
and Poison 
Bu. per acre 
308 
114 
212 
122 
288 
Increased yield Pyrox 
over Bordeaux 
and Poison 
Bu. per acre 
26 
24 
10 
29 
37 
234 
208.8 
25.2 
over home-made Bordeaux 
Bo. per aere 
Average increased yield Pyrox"over" Poison"’only. i?|‘f 
Average increased yield Pyrox over Unsprayed {si.'l 
lyrox the 
money-maker 
You can now buy all your 
spray materials from the 
complete Bowker line. 
Bowker’s Arsenate of Lead. Dry Pow¬ 
dered and paste. Highest quality. A poison 
for killing leaf-eating insects. 
Bowker s Calcide. High-grade calcium 
arsenate. Quick acting and very effective. For 
potatoes as well as cotton. 
Bowker’s Bedo. A powerful fungicide, 
10% copper, in paste form. A ready-mixed 
Bordeaux. Better. For blights, rusts and rots. 
Bowker’s Lime Sulphur. Concentrated 
liquid and dry. For fruit trees — scale and 
fungous diseases. 
Bowker’s Dusting Materials— Sulphur, 
Copper, etc. 
Nicotine Sulphate. 
You can always tell a Bowker product 
by the familiar red-and-yellow bull's- 
eye label. 
TAON’T let insect pests and plant diseases rob you of the 
biggest part of your crop profits. Proper spraying of 
potatoes, other vegetables and small fruits with Pyrox repre¬ 
sents so little of the total cost of crop production—and adds 
so definitely to the returns—that no one can question its value. 
And Pyrox is an economy in the spraying itself: It saves 
the time-and-labor cost, as well as the muss and uncertainty, 
of home-made sprays. Pyrox is ready to use. It is a smooth’ 
finely milled paste—a powerful FUNGICIDE extra high in 
copper content, perfectly blended with a deadly POISON. 
In addition to killing leaf-eating insects and repelling flea 
beetles and leaf hoppers, Pyrox controls rusts and blights. 
Also Pyi ox invigoi ates the plant, lengthens the growing 
period, increases yield and improves quality. Ideal for home 
gardens! 
Pyrox is uniform. It is dependable. Milled like fine 
paint, it mixes thoroughly. It sprays easily without clog¬ 
ging smallest nozzles. Mist-like it goes far; covers foliage 
completely; and sticks like paint. Pyrox represents 25 years’ 
experience. The leading spray with most dealers. Jars, cans 
drums, barrels. 
BOWKER CHEMICAL COMPANY 
49 Chambers Street, New York 
ugs—controls diseases 
stimulates growth 
