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This article in AJ

  1. Vol. 56 No. 1, p. 29-35
     
    Received: May 6, 1963
    Published: Jan, 1964


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doi:10.2134/agronj1964.00021962005600010010x

Some Observations on the Contribution of an Inch of Seeding-Time Soil Moisture to Wheat Yield in the Great Plains1

  1. Wendell C. Johnson2

Synopsis

Synopsis

The average contribution to yield of an inch increment of stored moisture was estimated at 2.44 and 2.74 bushels per acre for spring and winter wheat, respectively. Allowing for side effects of management practice other than soil moisture reduced the estimate for early-plowed continuous spring wheat and fallowed spring wheat to 1.40 and 1.48 bushels per acre, respectively. The corresponding estimates for winter wheat were 2.48 and 1.99 bushels per acre.

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