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Analysis Of Manure
Caring For Liquid Manure
Common Source Of Losses
Harmless Fermentation
Rotted Manure
Spreading As Made
The Covered Yard
Use Of Preservatives


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

Use Of Preservatives

The use of land-plaster in stables helps to
prevent loss of the nitrogen-content through fermentation. Its value
does not lie chiefly in physical action as an absorbent, but the
beneficial results come through chemical action. The volatile part of
the manure is changed into a more stable form. In recent years this
preservative has fallen somewhat into disuse, as acid phosphate
contains like material and also supplies phosphoric acid to the manure.
The phosphoric acid content of stable manure is too low for all soils,
and the reenforcement by means of acid phosphate would be good practice
even if there were no preservative effect. The use of fifty pounds of
acid phosphate to each ton of manure will assist materially in
preserving the nitrogen, and the gain in phosphoric acid will repay all
the cost. It should be used daily on the moist manure, as made in the
stable, and preferably just before bedding is added, so that the
phosphate will not come into direct contact with the feet of the
animals. Some stockmen prefer the use of acid phosphate and kainit
mixed half-and-half. The latter is a carrier of potash, and is a
preservative of nitrogen.

The use of ground rock-phosphate in stables is coming into use in some
localities, chiefly through the recommendation that it be mixed with
manure to secure availability of its own plant-food. It is not a
preservative except in so far as it acts physically as an absorbent. It
should not displace acid phosphate in stables, the preservation of
nitrogen in the manure being the vital matter.

Next: Spreading As Made

Previous: Caring For Liquid Manure

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