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Updated: May 10, 2025
Even the 100-bushel crop of corn per acre is known to have been produced in many places on exceptionally rich land, and yet the ten-year average yield in the United States is only 25 bushels to the acre. 200 Per Cent for Nitrogen On Broadbalk Field at Rothamsted, England, wheat has been grown on the same land every year for about two-thirds of a century.
"No," replied Mr. Thornton. "Nor of milk alone?" "No." "Well, wheat cannot be made of nitrogen alone, nor can it be made without nitrogen. On Broadbalk field at Rothamsted, where the wheat is grown, the soil is most deficient in the element nitrogen.
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