P. L. ROHRER & BRO., Seedsmen 
Snioketowii, Lancaster Co., Pennsylvania 29 
$50.00 IN CASH PRIZES 
GIVEN AWAY 
SEE INSIDE BACK COVER 
Pyrox Without Poison 
A paste fung-icide that is a comparison to pyrox. 
This material contains no Calcium Arsenate and is 
not an insecticide. Packed in 100 and 300 lb. con¬ 
tainers. Used principally on potatoes and celery. 
Use 18 lbs. to 100 Gallans of Water. Write for 
prices, stating quantity wanted. 
Bowker’s Arsenate 
of Lead 
Is most effective as a poison for 
worms and insects which eat 
leaves of plants, fruit trees, etc. 
It is at its best in powder form 
in that it does not deteriorate 
from standing. Dust it on the 
leaves or mix 2 lbs. with 50 gal¬ 
lons of water. Write for Prices. 
Blue Stone (Blue Vitrol) 
Blue Stone is used with lime as a Blight control. 
After years of practical use, farmers prefer 
Bordeaux Mixture to all other sprays. First, the 
materials. Blue stone and lime, are inexpensive: 
second, it is easily prepared at home; third, this 
spray often stimulates the growth of plants and 
finally provides the best control of most fungi and 
many insects. We recommend a 5-5-50 mixture. 
Use 5 pounds. Write for prices, stating (luantity 
wanted. 
Nicotine Pyrox 
is a special new spray which performs all the 
regular Pyrox functions and has an additional at¬ 
traction in that it kills sucking insects—like aphis. 
It is the first truly complete spray—an indispens¬ 
able item for successful gardening—for vegetables, 
small fruits and flowers. 
5 Ib.s.. 10 lbs., $3.00. 
Bowker’s Calcium 
Arsenate 
Is a powerful poison which kills 
potato bugs, bean beetles and 
other leaf-eating pests found 
among truck crops. It may be 
applied either wet or dry and is 
cheaper than Arsenate of Lead. 
2 lbs. to 50 gallons of water or 
1 lb. to 9 lbs. of Hydrated Lime. 
Write for Prices. 
Bowker’s Bordeaux Mixture 
In powder form is prepared especially to prevent 
Blotch, Cherry leaf Spot, celery blight, tomato leaf 
spot, blight and leaf hoppers on potatoes. It is a 
product superior to the home-made Bordeaux mix¬ 
ture in suspension, adhesive and spreading quali¬ 
ties. 6 lbs. to 50 gals, water equals 3-3-50. 8 lbs. 
to 50 gals, water and equals 4-4-50 mixture. Write 
for Prices. 
Nitrate of Soda 
Supplies nitrogen to soil. Very active. Should 
be applied with filler or liquid. A valuable fertil¬ 
izer. Apply 150 to 200 pounds per acre, 1 pound per 
200 square feet but not until the plants are above 
the ground. If used in liquid form, dilute two 
ounces to one gallon of water and apply twice a 
week. Do not let nitrate soda touch green growth 
or it will burn. 
$3.35 per 100 lb. bng, P. O. B. Oiir Station. 
Bowker^s Special Powder No. 1 
Is recommended especially to keep potatoes and 
tobacco free from bugs and rot. It may be used dry 
or mixed 6 lbs. to 50 gallons of water. 
$13.50 per 100 lbs.; 5 lb. Bag. 75e. 
Millard’s Lime Products 
Next to soil and moisture, lime is the most im¬ 
portant. Valuable for spraying and dusting Po¬ 
tatoes and other truck crops. Can supply you with 
lime for either dusting, spraying or for agricultural 
purposes. Mr. Millard has just completed the larg¬ 
est Rotary kiln lime plant in the United States. 
Can furnish Rotary kiln gas burned pulverized lime 
in drums and paper bags. Lump lime in drums. 
Hydrated and dusting lime in paper bags. Write 
for prices stating quantity wanted and for what 
purpose. 
Sudbury Soil Test Kit 
This simple, practical easy to use kit is your 
best insurance of gardening success. Made by the 
maker of professional field test kits used by 
nurserymen, growers and green keepers through¬ 
out the country. The Sudbury Home Gardners 
Kit, an improved, larger model of the little outfit 
that has been so popular in the past, tests for 
nitrogen, phosphorus, potash and acidity. It will 
make at least three separate tests for each element, 
which means a whole year’s soil testing for most 
gardners. The information will enable you to 
make intelligent adjustment of your soil to the 
requirements of your plant and grasses. No 
technical skill is required. Results of the tests are 
apparent immediately. The Sudbury Home Gard¬ 
ners Soil Test, complete with instructions and data 
on plant needs. .$3.00. 
Testing Fluid to refill. Specify whether for nitro¬ 
gen, phosphorus, potash, or acidity. 
3 o*., 75o; ({ oz., $1.50. 
SUDBURY HORTICULTURAL SOIL TEST KIT 
contains enough material for 60 individual tests. 
Gives quick, practical tests for nitrogen, phos¬ 
phorus, potash and acidity. Price, $0.75. 
