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This article in AJ

  1. Vol. 52 No. 9, p. 499-501
     

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doi:10.2134/agronj1960.00021962005200090003x

Effects of Nitrogen and Phosphorus Fertilizers on the Yield of Irrigated Grain Sorghum in Southwestern Kansas1

  1. George M. Herron and
  2. Andrew B. Erhart22

Synopsis

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.

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