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Published online 1 April 1959
Published in Agron J 51:202-206 (1959)
© 1959 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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The Effect of Nitrogen Fertilization and Frequency of Cutting on the Yield and Composition of Three Tropical Grasses1

Jose Vicente-Chandler, Servando Silva and Jacinto Figarella2

Synopsis: Napiergrass, guineagrass, and paragrass responded strongly to annual applications of up to 800 pounds of nitrogen per acre. Protein content and protein yields increased up to the highest N level tested. Yields increased but quality of the forage decreased with length of harvest interval. Between 30,000 and 45,000 pounds of dry matter averaging about 9.5% protein were produced annually per acre.

1 This work was carried out cooperatively between the U. S. Department of Agriculture and the Agricultural Experiment Station of the University of Puerto Rico.

2 Project Supervisor, Physical Science Aid, and Soil Scientist, respectively, Soil and Water Conservation Research Division, ARS, USDA.

Received for publication July 23, 1958.




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Copyright © 1959 by the American Society of Agronomy.