6 OLDS & WHIPPLE: 

O. & W. Special Corn 
Fertilizer 
This formula has been tested and tried in the 
cornfields of Connecticut and Rhode Island and 
produced excellent crops. It carries a high per- 
centage of available phosphoric acid, necessary to 
promote hard grain and early maturity. 
extensively used in market gardening. 
GUARANTEED ANALYSIS 
3% Nitrogen 
10% Available Phosphoric Acid 
47, Actual Potash 
It is also 




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John Deere Model A Tractor with 4 row culti- 
vator in corn. 
O. & W. Complete Market 
Garden Fertilizer 
This is one of our special mixtures for use on 
Corn, Potato, Onion Crops and general Market 
Garden. 
The sources of plant food are such as are exceed- 
ingly available to the plant and best suited to 
promoting rapid and vigorous growth. Tested at 
our own farms we are able to speak authoritatively 
as to its merits. All growers will be re-paid by 
using this special mixture on their crop. 
GUARANTEED ANALYSIS 
4% Nitrogen 
8% Available Phosphoric Acid 
4% Actual Potash 
This formula can be furnished with extra organic 
at a slight advance in price. 
O. & W. Potato and General 
Purpose Fertilizer 
This formula should be used in growing potatoes. 
The 4% Nitrogen content makes it practically the 
same as our 5-(ammonia) 8-7 of previous years and 
most agronomists agree that this is a proper balance 
for the potato crop. This formula is also extensively 
used in market gardening. 
GUARANTEED ANALYSIS 
4%, Nitrogen 
8% Available Phosphoric Acid 
7% Actual Potash 
This formula can be furnished with extra organic 
at a slight advance in price. 
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O. & W. High Grade Potato 
and Vegetable Fertilizer 
This is a concentrated mixture running high in 
analysis in every ingredient, and as a formu!a is 
extensively used in the potato growing sections of 
Maine. To produce large crops of potatoes you 
must feed heavily of Potash. This was thoroughly 
proven during the war, as even when Potash was 
extremely high and scarce some of the Maine 
potato growers paid the price for this ingredient 
and were well repaid by increased crop. 
GUARANTEED ANALYSIS 
5% Nitrogen 
8% Available Phosphoric Acid 
7% Actual Potash 
This formula can be furnished with extra organic 
at a slight advance in price. 
O. & W. 5-10-10 Fertilizer 
Recommended by Agricultural authorities for 
potatoes. 
GUARANTEED ANALYSIS 
5% Nitrogen 
10% Available Phosphoric Acid 
10% Actual Potash 
O. & W. Double Strength 
Fertilizer 
A highly concentrated formula used principally 
in growing potatoes. Should be used at the rate 
of 1000 to 1200 Ibs. per acre, being very careful that 
fertilizer does not come in contact with seed. 
GUARANTEED ANALYSIS 
8% Nitrogen 
16% Available Phosphoric Acid 
14% Actual Potash 
O. & W. Top Dressing and 
Grass Fertilizer 
A complete fertilizer with all the essential ele- 
ments for rapid and luxurious growth, carrying 
both soluble salts and organic material, it is suit- 
able both for top dressing or permanent seeding 
down mixture. 
GUARANTEED ANALYSIS 
7% Nitrogen 
7% Available Phosphoric Acid 
7% Actual Potash 
