Publisher's Synopsis
Excerpt from First Annual Report of Dr. F. A. Genth, Chemist of the Pennsylvania Board of Agriculture, 1878: Take From the Proceedings of the Board
The organic matter contained nitrogen, equivalent t the alkaline salts contained potash, and the bone phosphoric acid; the value Of a ton of this fertilizer would fore be pounds Of ammonia, $11 10 pounds Of potash, pounds Of phosphoric acid.
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