horn-shavings

I have noticed that one of the shrewdest gardeners invariably composts horn-shavings and bone-meal with horse-manure several months before expecting to use it.

Talks on Manures A Series of Familiar and Practical Talks Between the Author and the Deacon, the Doctor, and other Neighbors, on the Whole Subject Joseph Harris 1860

It is far more valuable as nitric acid or ammonia, because it will act quicker, and if I wanted hair, woollen rags, horn-shavings, etc.,

Talks on Manures A Series of Familiar and Practical Talks Between the Author and the Deacon, the Doctor, and other Neighbors, on the Whole Subject Joseph Harris 1860