Success with a pit is,
therefore, conditioned on the amount of moisture admitted, and this
cannot be controlled unless the pit has a cover fit to shed rainfall. Of
course, it may be adjustable so that some rainfall may be admitted as
may be desirable.
Value of Animals in Manure.
In the operation of our fruit and dairy ranch we have the manure from
some forty head of horses and cattle, which is distributed over the
place. We cut our alfalfa and feed it and do very little pasturing. In
order to give our dairy the proper credit, we would kindly ask what you
consider a fair price for the manure of a cow for one year. Also what
would the manure from a horse for one year be worth?
A compilation of a considerable number of weighings, analyses and
valuations in Europe, cited by Prof. Roberts in his book on the
"Fertility of the Land," gives an average value of the voidings of a cow
for a year as $32.25 and of a horse at $24.06. This is based, of course,
upon the collection and saving of all excrements which is never secured
except in careful experimentation. The value of manure depends upon the
quality of the feed. In two experiments, considered a safe substitute
for the straw, apart from the fact that the gave a value in manure of $1
per ton of hay fed; cows fed on clover and bran gave value in manure of
3.80 per ton of mixed feed. Your alfalfa feeding would approach the
higher value.
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