Foliar Absorption of Urea by Sandblasted Wheat Seedlings
1969
Adriano, D. C. | Armbrust, D. V. | Murphy, L. S.
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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