Abstract
WHILST there are many works in German dealing with the properties of soil from the purely scientific point of view, there is none, accord ing to the author, that gives the practical farmer the kind of knowledge he wants in order to understand the nature of the soil and the processes going on therein. While it is not denied that a farmer can get on sufficiently well without this knowledge, nevertheless he will find not only a source of interest, but also of profit, in learning something about the fundamental properties and laws on which the cultural operations and the fertility relationships of the soil are based. The author therefore deals in successive chapters with the soil as a medium for plant growth, the physical properties, chemical com position, and biological relationships of soils, methods of classification and improvement. In the second part of the book the soils of North Germany are described, and instructions are given for the use of soil maps.
Die praktische Bodenuntersuchung.
By Prof. E. Heine. Pp. xii + 162 + plate. (Berlin: Gebrder Borntraeger, 1911.) Price 3.50 marks.
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R., E. Die praktische Bodenuntersuchung . Nature 87, 482 (1911). https://doi.org/10.1038/087482b0
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DOI: https://doi.org/10.1038/087482b0