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Agronomy Journal Abstract -

Relationship Between NO3-N Production, Dry-Matter Production and N Responses on Coastal Plain Soils1


This article in AJ

  1. Vol. 55 No. 5, p. 441-443
    Received: Jan 30, 1963

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  1. C. D. Welch and
  2. W. V. Bartholomew2



Nitrate-N production appeared to give a better estimate of the availability of soil N than Kjeldahl N or organic matter. Higher correlation coefficients were obtained for data from well-drained than from poorly drained soils. Comparisons between results for organic matter or Kjeldahl N and corn yield responses from N applications under field conditions were not significant.

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