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This article in JEQ

  1. Vol. 10 No. 4, p. 507-510
     
    Received: Nov 21, 1980


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doi:10.2134/jeq1981.00472425001000040017x

Effects of Scheduling Municipal Waste-Water Effluent Irrigation of Reed Canarygrass on Nitrogen Renovation and Grass Production1

  1. D. R. Linden,
  2. C. E. Clapp and
  3. J. R. Gilley2

Abstract

Abstract

A 2-year field experiment was conducted to test the performance of reed canarygrass (Phalaris arundinacea L.) and the removal of nitrogen from municipal waste-water effluent under varying irrigation schedules. The effluent was obtained from an activated sludge treatment facility that served a domestic suburban population. The 1st-year total application to the 12- by 12-m plots was about 170 cm of effluent containing 320 kg/ha N, primarily in the ammonia form. The 2nd-year application consisted of about 290 cm of effluent containing $30 kg/ha N. Treatments during both years were comprised of 1, 2, or 5 irrigations per week. Results indicated that there was no effect of varying the irrigation schedule on the reed canarygrass yields, which averaged 10.2 and 15.0 metric tons/ha during the 1st and 2nd year, respectively. There also was no effect on soil water N concentrations, which averaged 1.0 and 2.4 mg/liter during the 1st and 2nd year, respectively.

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