ARMOUR'S BIG CROP FERTILIZERS 
FERTILIZERS ARE PLANT FOOD CARRIERS 
Nitrogen, referred to as Ammonia, is directly associated with the 
formation of leaves and stems in plants, promoting a quick and vig¬ 
orous growth which is accomplished by a deep, rich green color of 
foliage — a sign of health and activity. 
Phosphorus, known as Acid Phosphate or Phosphoric Acid, 
hastens germination and favors rapid development of young seed¬ 
lings, increasing the rooth growth, thus giving the young plant a good 
start. The formation of grain and fruit begins sooner when applica¬ 
tions of soluble phosphorus are freely made. Phosphorous fills out 
the grain and fruit, increasing the proportion of grain to straw. 
Potassium, commonly called potash, has a marked influence upon 
the development of leaves and stems. When potash is lacking, stems 
are apt to be weak and brittle. Potash enables the plant to produce 
sugar and starch, and helps to plump and fill the grain. It is also 
necessary in developing the fleshy parts of fruit. 
BIG CROP 
Fertilizers 
3- 12-12 
4- 8-6 
Super-Phosphate-20%-45% 
0 - 12-12 
0 - 20-20 
Steamed Bonemeal 
Raw Bonemeal 
Nitrate of Soda 
Muriate of Potash 
Cattle Manure 
Sheep Manure 
Vert 
W. 
'40 
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big crop"! 
fertilizers 
Make 
Every Acre 
Do Its y 
. Best 
1 
