Science: The Road to Fertility

Prophets of agricultural doom are fond of saying that U.S. farms are rapidly losing their fertility and will some day turn into sterile wastelands. This is not happening in one long-cultivated U.S. region. C.L.W. Swanson. chief soil scientist of the Connecticut Agricultural Experiment Station, says that the farmland of New England, which was not naturally fertile when the Pilgrims landed, has been made fertile by proper farming methods, and is growing more productive all the time.

The virgin soil under a long-established forest is not always good. Often it is "podzolic"; i.e., it has...

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