GRAND RAPIDS GROWERS, Inc., Grand Rapids, Michigan 
INSECTICIDES 
Krop Saver No. 25DE is 25% DDT 
concentrate for use on the farm 
or home as a spray in diluted form. Will kill flies, fleas, mosquitoes, 
roaches, silverfish and crickets; also used for a cattle spray or dip. 
It is economical, long lasting, odorless and non-inflammable. 
POISON 
GRAIN 
Prepared by the U. S. Department of the Interior, Fish and Wild- 
life Service, Pocatello Supply Depot, Pocatello, Idaho, for the control 
of field mice and other rodents in orchards. This is grain treated with 
strychnine, and is put up in 10- and 25-lb. bags. Prices quoted on re- 
quest. 

EndoWeed 
WEED 
KILLERS 
DU PONT AMMATE 
WEED KILLER 
A crystalline material 
containing ammonium 
sulfamate as its active 
ingredient. It has proved 
to be outstandingly suc- 
Why? Because End oWeed is a 
new and improved selective 
weed killer, carefully prepared 
to kill ugly lawn weeds with- 
out harming ordinary grass or 
affecting the soil! EndoWeed 
kills dandelions, chickweed, 
cessful for the control of 
poison ivy, poison oak, 
ragweed, buckhorn, plan- 
tain and certain other 
weeds. 
2-4 DOW WEED KILLER 
(In powder form.) Kills 
many weeds without in- 
treats 2000 sq. ft. of lawn. 
PRESENTED BY SWIFT 
@20002008008668880380080860639 
EndoWeed Prices 
\% pint liquid 
plantain and over 50 other 
weeds—roots and all. 8 ounces 
‘ee MAKERS OF VIGORO ; 












. . - no unsightliness following 
garden dusting! A few strokes of 
the exclusive EndoPest dust gun 
envelops your plants in an al- 
most-invisible protecting film... 
gives you control over most chew- 
ing insects, sucking insects and 
fungus diseases! Use with confi- 
dence on edible fruits and vege- 
tables. We have refill cartridges 
for the guns. 
MADE BY SWIFT 
MAKERS OF VIGORO 
End-O-Pest Prices 
10 oz. gun 
Moi rpkt i toe ean ire 
[ozs refill ret tn f 
ZuLbSe PK yee wean J Request 

juring the grass. It is easy to mix with water to the desired 
strength. 
WEED-NO-MORE MAGIC WEED KILLER 
A Sherwin-Williams product containing 2, 4-D. It kills the ugly 
weeds, but won’t harm common lawn grasses. 
WEEDONE 
“The internal weed killer’. A 2, 4-D concentration that will kill 
ieratehanid (site oN pac most weeds without injuring valuable grasses. Simply dilute 1 qt. 
1 gallon liquid ............-- ieequest in 25 gallons of water and spray the leaves. 
ENDoWEED SIDE SPRAYER 
crass kitters COSTS 3 CENTS TO PAINT 25 SQ. FT. 
RIDZ CRAB GRASS 
KILLER 
A highly selective sub- 
stance that kills seedling 
and mature crab grass 
without harming the de- 
sirable lawn grasses. When 
soaked into the soil, it re- 
tards the germination of 
the remaining crab grass 
seed. 

ZOTOX CRAB GRASS KILLER 
Crab grass is America’s No. 1 
annual lawn weed. It doesn’t ap- 
pear until August and grows very 
rapidly, reseeding itself for an- 
other year. ZOTOX will kill this 
weed as well as the seed that has 
dropped without sterilizing the 
soil and the lawn may be reseeded 
and fertilized in three or four days 
after it has been applied. 
- CARBOLA-DDT 
Insect-Killing and Germ-Killing 
White Paint 
A FLY KILLER AND DISINFECTANT, TOO 
Why waste money on expensive DDT 
mixtures to kill flies? Carbola-DDT (2% 
DDT) is guaranteed to kill them at low 
cost. Proven in thousands of tests on 
farms by county agents. Natural adhe- 
6iveness of our ie mineral carrier 
causes Carbola-DDT to stick to wall, 
ceilings.This gives you the residual, long- 
lasting DDT recommended by author- 
ities. Continues to kill flies, mosquitoes, 
spiders for months. Simply mix Carbola- 
DDT powder in water and apply with 
brush or sprayer. Dries white. Costs ap- 
proximately 3 cents to treat 25 sq. ft. No 
oil, no fire risk. Use in cow barns (cuts 
need for cow spray 50%), poultry houses, 
a 
rabbitries, pigeon lofts, outdoor toilets. 
And paint your cellar and dog house. 
DESTROYS DISEASE GERMS, ODORS 
Carbola-DDT also contains a disinfect- 
ant which kills germs of disease that 
afflict cows, poultry and other livestock. 
Used for a quarter of a century as Carbola, 
the disinfecting white paint, by agricul- 
tural colleges, hatcheries and thousands 
of farmers. Now it does three jobs for 
you in one easy operation: (1) Kills flies 
(2) Destroys disease germs (3) Meets 
whitewash sanitation requirements of 
Board of Health. Used also as a dry dip, 
deodorant and soil treatment, ieee 
Ask dealer for economical 50 Ib. bag 
1 Ib., 30c; 5 lbs., 85c; 10 Ibs., $1.35; 25 Ibs., $3.00; 50 Ibs., $5.50. 
Write for handy egg record chart. 
CARBOLA CHEMICAL CO., Inc. 
Established 1916 
Natural Bridge 100, N. Y. 
