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Nitrogen use efficiency of maize and spring barley under potassium fertilization in long-term field experiment

Author

Listed:
  • A. Rutkowska

    (Department of Plant Nutrition and Fertilization, Institute of Soil Science and Plant Cultivation, State Research Institute in Puławy, Puławy, Poland)

  • D. Pikuła

    (Department of Plant Nutrition and Fertilization, Institute of Soil Science and Plant Cultivation, State Research Institute in Puławy, Puławy, Poland)

  • W. Stępień

    (Department of Soil Environment Sciences, Faculty of Agriculture and Biology, Warsaw University of Life Science, Warsaw, Poland)

Abstract

In the paper, the results of the long-term field experiment on soil depletion from potassium on yields and selected indices of nitrogen use efficiency of maize and spring barley were presented. The factors of the experiment were potassium fertilization (K plus and K minus treatment) and increasing nitrogen rates. Maize responded for soil exhausting from K in yield reduction over all the range of nitrogen rates applied in the experiment, and spring barley only through the highest rates. The greater values of nitrogen use efficiency indices were proven for barley as compared with maize. Potassium fertilization slightly increased agronomic efficiency and physiological efficiency of barley.

Suggested Citation

  • A. Rutkowska & D. Pikuła & W. Stępień, 2014. "Nitrogen use efficiency of maize and spring barley under potassium fertilization in long-term field experiment," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 60(12), pages 550-554.
    • Handle: RePEc:caa:jnlpse:v:60:y:2014:i:12:id:434-2014-pse
    DOI: 10.17221/434/2014-PSE
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    Cited by:

    1. Cheng Hu & Xiange Xia & Yunfeng Chen & Yan Qiao & Donghai Liu & Jun Fan & Shuanglai Li, 2019. "Yield, nitrogen use efficiency and balance response to thirty-five years of fertilization in paddy rice-upland wheat cropping system," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 65(2), pages 55-62.

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