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This article in AJ

  1. Vol. 54 No. 6, p. 471-473
     
    Received: Jan 8, 1962
    Published: Nov, 1962


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doi:10.2134/agronj1962.00021962005400060001x

Effects of Fall-Applied Nitrogen Fertilizer and Winter Rainfall on Yield of Wheat1

  1. E. C. Doll2

Synopsis

Synopsis

Yields of wheat were lower in 4 of 7 experiments for fall application of N than for topdressings in the spring. In 3 long-time rotation experiments, 20 to 23% of the deviations of yields from the linear regression of yields on years could be attributed to winter rainfall. These results indicate that the major portion of N for wheat should be topdressed in the spring under Kentucky climatic conditions.

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