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Published online 1 December 1958
Published in Agron J 50:729-732 (1958)
© 1958 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Nitrogen Fertilization Increases N, P, and K Concentrations in Oats1

D. L. Grunes2 and B. A. Krantz3

Synopsis: Top-dressings of N in the spring, 2 to 3 weeks before oats were plowed under in the "boot" stage, increased N, P, and K concentrations in oat tops. This effect on P and K absorption was due in part to increased root growth.

1 Contribution from the Soil and Water Conservation Research Division, ARS, USDA. Cooperation of North Carolina State College is gratefully acknowledged. Presented before Div. IV, Soil Science Society of America, Atlanta, Georgia, November 18–22, 1957.

2 Soil Scientist, Western Soil and Water Management Section, SWCRD, ARS, USDA.

3 Formerly Soil Scientist, Soil and Water Conservation Research Division, ARS, USDA, and Professor of Agronomy, North Carolina State College; now Supervisory Soil Scientist, Western Soil and Water Management Section, SWCRD, ARS, USDA.

Received for publication February 13, 1958.




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Copyright © 1958 by the American Society of Agronomy.