
” 
Limestone is a desirable ‘‘lime’’ commodity for most fall seedings. 
While its immediate action is less rapid than with hydrated or 
burned lime, it combines the advantages of some immediately 
available soil sweetening properties plus continued action over an 
extended period of time. Relatively few fields need the full and 
immediate effects of the more active forms of lime. Limestone 
usually costs the least. 
Fertilizer For Fall-Seeded Grain Crops 
After lime, the nutrient needs of fall-seeded grains are usually 
in their order of importance as follows: (1) Phosphoric Acid, (2) 
Potash, (3) Nitrogen. 
When a limited per-acre-investment is made in purchased plant 
food, superphosphate alone may be a sound selection. Either 20% 
or 47% Superphosphate can be used on grain crops with equally 
good returns from applications of equal quantities of plant food. 
The cost of plant food will be less in 47% Superphosphate, but ma- 
chinery for applying the ‘‘High Analysis’ superphosphate must be 
adjusted to reduced rates of application. 
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