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Amount Per Acre
Duration Of Effect
Forms Of Lime
Hydrated Lime
Magnesian Lime
The Fineness Of Limestone
The Kind To Apply


Crops And Methods For Soil Improvement

A Bit Of Arithmetic
A Clean Seed-bed
A Few Combinations Are Safest
A Practical Test
A Southern Legume
A Three Years' Rotation
Acid Phosphate
Acquaintance With Terms
Adaptation To Eastern Needs
Affecting Physical Condition
All The Nitrogen From Clover
Alsike Clover
Amount Of Application
Amount Of Manure

The Fineness Of Limestone

Experiments at the Pennsylvania experiment
station have shown that limestone has practically immediate
availability in an acid soil if all of it has ability to pass through a
screen having 60 meshes to the linear inch. Much of the limestone
meeting this test doubtless is fine enough to pass through an 100-mesh
screen. The requirement that a 60-mesh screen be used in testing is a
satisfactory one to the buyer that wants immediate results in the
field. A coarser product must be used in larger amount per acre, as
only the fine particles are available at once, and the object of the
application is to correct all the acidity. Where a coarse product,
containing some fine particles, can be used at such a low price per ton
that the application may consist of a large number of tons per acre,
the practice may be commended, but the essential thing is immediate
results, and only finely divided limestone can give them. Any long
railway or wagon haul makes a heavy application of coarsely pulverized
limestone inexpedient.

Next: Hydrated Lime

Previous: The Kind To Apply

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