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Mitigation of ammonia volatilization with application of urease and nitrification inhibitors from summer maize at the Loess Plateau

Author

Listed:
  • Muneer AHMED

    (Collegeof Natural Resources and Environmental Science, Northwest A&F University, Yangling, P.R. China
    Key Laboratory of Plant Nutrition and Agri-Environment in Northwest China,)

  • Weijia YU

    (Collegeof Natural Resources and Environmental Science, Northwest A&F University, Yangling, P.R. China
    Key Laboratory of Plant Nutrition and Agri-Environment in Northwest China,)

  • Ming LEI

    (Collegeof Natural Resources and Environmental Science, Northwest A&F University, Yangling, P.R. China
    Key Laboratory of Plant Nutrition and Agri-Environment in Northwest China,)

  • Sajjad RAZA

    (Collegeof Natural Resources and Environmental Science, Northwest A&F University, Yangling, P.R. China
    Key Laboratory of Plant Nutrition and Agri-Environment in Northwest China,)

  • Jianbin ZHOU

    (Collegeof Natural Resources and Environmental Science, Northwest A&F University, Yangling, P.R. China
    Key Laboratory of Plant Nutrition and Agri-Environment in Northwest China,)

Abstract

Field experiments were conducted at three sites: Yangling (YL); Zhouzhi-1 (ZH-1) and Zhouzhi-2 (ZH-2) of the Loess Plateau during summer maize crop, to investigate the effectiveness of N-(n-butyl) thiophosphoric triamide (NBPT) and NBPT + dicyandiamide (DCD) with urea on reducing NH3 volatilization from different soils under different environmental conditions. Four treatments including control (no N), N-220 kg/ha, N-220 + NBPT and N-220 + NBPT + DCD were applied in two splits through the band placement method. Total NH3-N loss observed were 65.8, 40.5 and 20.1 NH3-N kg/ha (accounting for 29.9, 18.4 and 9.2% of N applied) from urea for YL, ZH-1 and ZH-2, respectively. The application of NBPT and NBPT + DCD significantly reduced NH3 volatilization by 80-93% and 75-90%, respectively. The meteorologic factors such as precipitation, air temperature and wind speed significantly affected NH3 volatilization. These results suggested that the amendment of urea with NBPT and NBPT + DCD have potential to mitigate NH3-N losses from alkaline soils in the Loess Plateau.

Suggested Citation

  • Muneer AHMED & Weijia YU & Ming LEI & Sajjad RAZA & Jianbin ZHOU, 2018. "Mitigation of ammonia volatilization with application of urease and nitrification inhibitors from summer maize at the Loess Plateau," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(4), pages 164-172.
    • Handle: RePEc:caa:jnlpse:v:64:y:2018:i:4:id:46-2018-pse
    DOI: 10.17221/46/2018-PSE
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    References listed on IDEAS

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    1. J.C. Zhao & W.H. Su & S.H. Fan & C.J. Cai & X.W. Zhu & C. Peng & X.L. Tang, 2016. "Effects of various fertilization depths on ammonia volatilization in Moso bamboo (Phyllostachys edulis) forests," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 62(3), pages 128-134.
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