Page:Popular Science Monthly Volume 78.djvu/263

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THE STORY OF A KING AND QUEEN

1909 Corn, Where the Clover and all Crops are removed and no Treatment Applied: Yield 35 bushels per Acre.

1909 Corn Where Clover and Crop Residues are plowed under and Limestone And Phosphorus Applied; Yield, 79 bushels per acre.

1909 Corn, where Manure, Limestone and Phosphorus are applied; yield, 86 bushels per acre.

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