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This article in SSSAJ

  1. Vol. 43 No. 2, p. 364-366
    Received: July 27, 1978



Estimating Animal Waste Applications to Supply Crop Nitrogen Requirements1

  1. A. C. Mathers and
  2. D. W. Goss2



An equation was developed which estimates the amount of animal waste required to supply the desired amount of N for crops. This equation was based on annual mineralization rates which varied with time after application and with N content of the waste. When we calculated waste requirements to supply N needs using the equation, values were satisfactory for wastes containing 4% or less N. Residual N in soil fertilized with animal waste was closely correlated (r = 0.92) with values predicted by the equation.

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