ere mixed
together, and a prepared average sample, when submitted to analysis,
yielded the following results:

Composition of Clover-Soil, 18 Inches Deep, From Part of 11-Acre
Field, Twice Mown for Hay.

{Organic matter 5.86
{Oxides of iron 6.83
{Alumina 7.12
{Carbonate of lime 2.13
Soluble in {Magnesia 2.01
hydrochloric acid. {Potash .67
{Soda .08
{Chloride of sodium .02
{Phosphoric acid .18
{Sulphuric acid .17

{Insoluble silicious matter, 74.61.
{ Consisting of:
{Alumina 4.37
{Lime, (in a state of silicate) 4.07
Insoluble in acid {Magnesia .46
{Potash .19
{Soda .23
{Silica 65.29
-----
99.68
=====

"This soil, it will be seen, contained, in appreciable quantities, not
only potash and phosphoric acid, but all the elements of fertility which
enter into the composition of good arable land. It may be briefly
described as a stiff clay soil, containing a sufficiency of lime,
potash, and phosphoric acid, to meet all the requirements of the
clover-crop. Originally, rather unproductive, it has been much, improved
by deep culture; by being smashed up into rough clods, early in autumn,
and by being exposed in this state to the crumbling effects of the air,
it now yields good corn and forage crops.

"In separate portions of the three layers of soil, the proportions of
nitrogen and phosphoric acid contained in each layer of six inches, were
determined and found to be as follows:

Soil dried at 212 deg. Fahr.