Abstract
THE experimental study of the soil is so essential a branch of courses in agriculture, horticulture, botany and biology, that it seems a pity it is rather neglected, especially in the last two subjects, from elementary school courses up to courses in the uni versities. Most textbooks of botany, for example, devote little space to soil science in spite of the fact that the soil is the sole environment responsible for the physiological, biological and edaphic factors affecting one of the most important organs of the normal plant, namely, the root. We would therefore direct the attention especially of teachers of ele mentary biology and botany to an article on the experimental study of the soil by Dr. B. A. Keen, assistant director of Rothamsted Experimental Station, in School Nature Study, vol. 29, No. 117, October 1934. The author describes 18 experi ments with a running commentary divided into four sections: what is meant by soil; organic matter; mineral matter; and separation of soil constituents. The paper is also published separately as Leaflet 22, copies of which can be obtained at 2d. each, or 2s. a dozen, from Mr. E. G. Clarke, 7 Stanley Avenue, Wembley, Middlesex.
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Experimental Soil Science. Nature 134, 566 (1934). https://doi.org/10.1038/134566b0
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DOI: https://doi.org/10.1038/134566b0