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Published online 1 September 1960
Published in Agron J 52:499-501 (1960)
© 1960 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Effects of Nitrogen and Phosphorus Fertilizers on the Yield of Irrigated Grain Sorghum in Southwestern Kansas1

George M. Herron and Andrew B. Erhart2

Synopsis: Good grain yields were obtained with 40 to 80 pounds of nitrogen per acre. There was little yield response to phosphorus. Soil organic matter was not a reliable index to the need for nitrogenous fertilizer.

1 Contribution No. 28, Garden City (Kansas) Branch, Kansas Agricultural Experiment Station, Kansas State University, Manhattan.

2 In charge of Soil Fertility Research and Superintendent, respectively, Garden City Branch, Kansas Agr. Exp. Sta., Garden City, Kans.






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Copyright © 1960 by the American Society of Agronomy.