10 per
cent., which, as be points out, is equivalent, to a "loss of about 18
per cent. of combustible constituents"--a loss which we have no proof
of having taken place. In Mr. Smetham's sample the loss would have to
be 50 per cent., which did not occur, and in fact is not possible.
What is the explanation?
[Footnote 2: _Journ. Chem. Society_, March, 1884, p. 124.]
I am, however, considering now the organic constituents. Calculating
the percentages of these in the grass and silage, we obtain the
following figures:
_Percentage Composition of Organic Compounds._
Grass. Ensilage.
Fat (ether extract) 3.01 6.31
Soluble albuminous compounds 8.29} {7.01
}10.75 11.43{
Insoluble " " 7.46} {4.42
Mucilage, sugar, and extractives 12.52 5.84
Digestible fiber 38.96 39.14
Indigestible woody fiber 34.76 37.28
------- -------
100.00 100.00
The difference in the total nitrogen in the grass and silage is equal
to 0.68 per cent. of albuminoids. Practically it is a matter of
impossibility that the nitrogen could have increased in the silo, and
it will be a very safe premise upon which to base any further
calculations that the total amount of nitrogen in the silage was
identical with that in the grass.
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