LIBROS DEL AUTOR: prof selim lemstrom

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  • Electricity in Agriculture and Horticulture
    Prof. Selim Lemström
    Published in 1904, this book “contains the results of a long study and numerous experiments, which had their origin in the Polar regions, were continued in more southern latitudes, and have led not only to an increase of the harvest of every kind of plant which has come under treatment, but also to a favourable change of their chemical compounds, e.g., an increase of the digest...
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