Abstract
Abstract The soils along the projected high-power line from Nea to Enefors, across the Swedish-Norwegian boundary at 63° N, have developed by weathering of rocks rich in nutrients. One would therefore expect the occurrence of fertile soils. None the less the soils are throughout very low in nutrient salts, owing to intense leaching. They are, indeed, the poorest of all soils that the author has subjected to solution resistivity measurements (about 50,000 soil samples from various parts of Sweden). This intense leaching is due to a high degree of precipitation, strong action of frost, a low humus content and a complete lack of clay fractions in the soils (see Table 7: the < 0.002 column). The data obtained are not only interesting from the point of view of corrosion. The cultivation of the soils for agricultural and forestal purposes is of course also influenced by the low nutrient values.
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