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Agronomy Journal Abstract -

Utilization of Tracer Nitrogen by Rice in Relation to Time of Application1


This article in AJ

  1. Vol. 59 No. 3, p. 287-288
    Received: Aug 12, 1963

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  1. S. Patnaik and
  2. F. E. Broadbent2



Uptake of N16 tagged ammonium sulfate by rice plants was used to evaluate the efficiency of fertilizer applications. Two-thirds of the basal rate at planting followed by one-third top-dressed at boot stage resulted in the highest recovery of fertilizer nitrogen as compared to the full rate at planting or top-dressing at the tillering stage.

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