Word: chernozem
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...north and central Russia by the cold, to most of the south by lack of rainfall. The Russian soil, starting at the city of Astrakhan at the mouth of the Volga and proceeding northwest, is at first semidesert, then improves to chestnut soil (dark brown soil), then to rich chernozem (fertile black soil), and finally declines to thin podsols (grey, leached, acid soil) - see map. Russia's huge long swatch of chernozem is the biggest in the world, but most of it lies north of the latitude of Bangor, Me. (45th parallel) which means that its yield is much...
Such soil, formed by grasses, is favorable to grasses. When man plows a chernozem, his wheat or corn thrive mightily. They are grasses...
...Master of Soil. The good farmer knows what to do. He adds lime and fertilizer and grows grass or clover or alfalfa. Gradually the thin, sour forest soil turns into something like chernozem. The well-kept farms of New York State, Pennsylvania and Ohio are now far more fertile than they were when the pioneers (who so vex Vogt) first felled the forest...
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