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Published online 1 May 1964
Published in Agron J 56:309-313 (1964)
© 1964 American Society of Agronomy
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Principles of Nutrient Uptake From Fertilizer Bands. VI. Germination and Emergence of Corn as Affected by Ammonia and Ammonium Phosphate1

S. E. Allred and A. J. Ohlrogge2

Synopsis: Free ammonia associated with diammonium phosphate fertilizer was toxic to germinating corn. Ammonia at partial vapor pressures as low as 0.125 mm. Hg was toxic to corn when it was exposed to this environment for 2 days during the initial stages of germination.

1 Paper number 2166 from the Department of Agronomy, Purdue University, Lafayette, Ind. Part of a thesis submitted by senior author in partial fulfillment of the requirements for a Ph.D. degree at Purdue University. Presented before Div. IV, Soil Science Society of America, Cornell University, Ithaca, N. Y., August 1962.

2 Agriculturist, Tennessee Valley Authority, Wilson Dam, Ala., and Professor of Agronomy, Department of Agronomy, Purdue University, Lafayette, Ind.

Received for publication September 20, 1963.




HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education		 Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome
Copyright © 1964 by the American Society of Agronomy.