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Effect of long-term application of manure and mineral fertilizers on nitrogen mineralization and microbial biomass in paddy soil during rice growth stages

Author

Listed:
  • J. Zhang

    (State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, P.R. China
    Graduate University of the Chinese Academy of Sciences, Beijing, P.R. China)

  • J. Qin

    (State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, P.R. China)

  • W. Yao

    (State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, P.R. China
    Graduate University of the Chinese Academy of Sciences, Beijing, P.R. China)

  • L. Bi

    (State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing, P.R. China
    Graduate University of the Chinese Academy of Sciences, Beijing, P.R. China)

  • T. Lai

    (Jiangxi Institute of Red Soil, Jinxian, Nanchang, P.R. China)

  • X. Yu

    (Jiangxi Institute of Red Soil, Jinxian, Nanchang, P.R. China)

Abstract

Net N mineralization rate (NMR), net N consumption rate (NCR), microbial biomass carbon (MBC) and nitrogen (MBN), potentially mineralizable N (PMN) and mineral N (N-NH+4 and N-NO-3) were measured in paddy soil at five growth stages of rice to determine the effect of long-term fertilization in subtropical China. The studied long-term treatments included CK (no fertilization), N, NP, NPK and NPK + OM (NPK plus organic manure). The NPK + OM treatment gave the highest values of the measured variables among all treatments. There was no significant difference in other treatments except for mineral N and PMN at early growth stages. All these variables were generally highest at transplanting stage as two thirds of fertilization was applied as basal fertilizers and the rice uptake was low. Then they decreased or leveled off with the rice growth stages except for MN in all treatments. Stepwise regression revealed that NMR was significantly correlated with MBC and N-NH+4 (R2 = 0.954, P < 0.01) at all rice growth stages. So, mineral plus manure fertilizer application and more mineral fertilizer as topdressing were recommended in subtropical paddy soil.

Suggested Citation

  • J. Zhang & J. Qin & W. Yao & L. Bi & T. Lai & X. Yu, 2009. "Effect of long-term application of manure and mineral fertilizers on nitrogen mineralization and microbial biomass in paddy soil during rice growth stages," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 55(3), pages 101-109.
    • Handle: RePEc:caa:jnlpse:v:55:y:2009:i:3:id:322-pse
    DOI: 10.17221/322-PSE
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    Citations

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    Cited by:

    1. L. Bi & J. Xia & K. Liu & D. Li & X. Yu, 2014. "Effects of long-term chemical fertilization on trends of rice yield and nutrient use efficiency under double rice cultivation in subtropical China," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 60(12), pages 537-543.
    2. L. Zhang & Z. Wu & Y. Jiang & L. Chen & Y. Song & L. Wang & J. Xie & X. Ma, 2010. "Fate of applied urea 15N in a soil-maize system as affected by urease inhibitor and nitrification inhibitor," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 56(1), pages 8-15.
    3. Kaikuo Wu & Ping Gong & Lili Zhang & Zhijie Wu & Xueshi Xie & Hengzhe Yang & Wentao Li & Yuchao Song & Dongpo Li, 2019. "Yield-scaled N2O and CH4 emissions as affected by combined application of stabilized nitrogen fertilizer and pig manure in rice fields," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 65(10), pages 497-502.

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