Publisher's Synopsis
Excerpt from Bulletin of the Ohio Agricultural Experiment Station: January 1913-July 1914; Number 255-279
Few of our American agriculturists have given attention to the mineral elements in foods, and most of those who have made ash analyses have been students of soil fertility rather than animal nutrition, and so have prepared their samples for analysis in such a way as to indicate the draft upon the soil rather than the value of the products as animal foods. In our analyses, only such parts of the natural products are represented as are edible by the kind of animal usually consuming them.
These analyses do not include determinations of iron. While this is a matter of some importance, as related to human nutrition, the contamination of the samples with iron in the usual methods of preparation probably exceeds the amount properly present, and the special preparation necessary for accurate iron estimations was not practicable under the conditions attending this work.
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