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This article in JEQ

  1. Vol. 6 No. 2, p. 155-159
     
    Received: Nov 18, 1975
    Published: Apr, 1977


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doi:10.2134/jeq1977.00472425000600020010x

A Steady-State Conceptual Nitrogen Model for Estimating Nitrogen Emissions from Cropped Lands1

  1. Kenneth K. Tanji,
  2. Maurice Fried and
  3. Ronald M. Van De Pol2

Abstract

Abstract

Details of a conceptual nitrogen model are presented. The model is based upon the principles of mass balance and steady state. It considers both water and N flows into and out of the crop root zone. Illustrative computations are given for estimating steady-state N leaching losses from two corn (Zea mays L.) field sites and comparisons are made with measured values. This model may be applied to other crops or cropping practices.

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