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This article in AJ

  1. Vol. 61 No. 4, p. 575-576
     
    Received: Dec 19, 1968
    Published: July, 1969


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doi:10.2134/agronj1969.00021962006100040028x

Foliar Absorption of Urea by Sandblasted Wheat Seedlings1

  1. D. C. Adriano,
  2. D. V. Armbrust and
  3. L. S. Murphy2

Abstract

Abstract

One-month-old wheat (Triticum aestivum L. sp.) seedlings were exposed to 13.6 m/sec wind velocity and sand at 1 kg/min for different lengths of time in a wind tunnel. Urea solution was foliar applied at different time intervals of up to 4 days after exposure. Total nitrogen content of the tissues decreased as follows: wind plus sand greater than wind alone equal unexposed. There was a strong indication that foliar uptake of urea was greater when the urea solution was applied soon after exposure to wind and sand

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