Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Published online 1 September 1962
Published in Agron J 54:376-378 (1962)
© 1962 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Some Effects of Nitrogen Fertilizer, Maturity, and Light on the Composition of Orchardgrass1

C. H. Gordon, A. M. Decker and H. G. Wiseman2

Synopsis: Nitrogen-fertilized orchardgrass forage contained more crude protein, nitrate, and water than control forage. The effects were less marked with advancing maturity but continued through the seed stage. Fertilized forage contained less sugar previous to flowering. Composition changes were greater when fertilized plants were shaded. The highest mean nitrate level observed was 2.4%.

1 Contribution. No. 3275 Scientific Article A921 of the Maryland Agricultural Experiment Station, Department of Agronomy, cooperative with Animal Husbandry Research Division, ARS, USDA. Part of a thesis submitted by the senior author in partial fulfillment of requirements for the Ph.D. degree. Received for publication Aug. 24, 1961.

2 Dairy Husbandman, Animal Husbandry Research Division, ARS, USDA; Associate Professor of Agronomy, University of Maryland; and Chemist, Animal Husbandry Research Division, ARS, USDA.






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Copyright © 1962 by the American Society of Agronomy.