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Our land cost so much to reclaim for hay, being soaked in humic acid, that we had always to import that commodity at a cost which made more cows than absolutely essential very inadvisable. Weasels, rats, hawks, and vermin needed a man's whole time if our chickens were to be properly guarded and repay keeping at all.
I suppose you will reply, By combining with oxygen and forming humic acid. But would not the theory of the decomposition of carbon do quite as well?
You speak of an original letter of Liebig's appearing in the "Farmer's Journal." On what subject is it? as I have no means of referring to the periodical in question. Does it throw any light upon the new manure for which he is said to be taking out a patent? You speak of humus and humic acid.
Mr. Staring, in his valuable memoir on the "Geological Map of Holland," has attributed the general scarcity of human bones in Dutch peat, notwithstanding the many works of art preserved in it, to the power of the humic and sulphuric acids to dissolve bones, the peat in question being plentifully impregnated with such acids.
We fully intended to erect a kiln, using our refuse for fuel, for the land is loaded with humic acid, and only plants like blueberries, conifers, and a very limited flora flourish on it. Some friends in England, however, hearing of marble in the bay, which it was later discovered formed an entire mountain, commenced a marble mine near the entrance.
The Substances Susceptible of Nitrification. The analyses of soils and drainage waters have taught us that the nitrogenous humic matter resulting from the decay of plants is nitrifiable; also that the various nitrogenous manures applied to land, as farmyard manure, bones, fish, blood, rape cake, and ammonium salts, undergo nitrification in the soil.
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