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Different micro-climate response of indica rice population to nitrogen fertilizer

Author

Listed:
  • Guotao YANG

    (Schoolof Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China)

  • Xuechun WANG

    (Schoolof Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China)

  • Youlin PENG

    (Schoolof Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China)

  • Fahd RASUL

    (Agro-Climatology Lab, University of Agriculture Faisalabad, Faisalabad, Pakistan
    Agweathernet, Washington State University, Prosser, USA)

  • Ting ZOU

    (Schoolof Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China)

  • Yungao HU

    (Schoolof Life Science and Engineering, Southwest University of Science and Technology, Mianyang, Sichuan, P.R. China)

Abstract

Field experiment was carried out from 2014 to 2016 to clarify the micro-climate response of indica rice population to nitrogen fertilizer. R498, R816 and R499 were used as representatives of drooping panicle, semi-erect panicle and erect panicle indica rice, respectively and 3 nitrogen fertilizer levels (N0 - 0 kg N/ha; N1 - 150 kg N/ha; N2 -150 kg/ha) were set for each panicle of indica rice. Results showed that the erect panicle indica rice (R499) improved the environment of temperature, relative humidity and light of rice population under heavy nitrogen fertilizer, and built a healthier micro-climate environment for rice population, especially at the middle position of rice population. Comparing with drooping panicle indica rice (R498), erect panicle indica rice performed better under heavy nitrogen fertilizer, with a higher micro-climate response index to nitrogen fertilizer at middle and lower position in rice population. In comparison of R498, the yield of R499 increased by 0.10-0.11 t/ha under N1 treatment, while it increased by 0.93-0.96 t/ha under N2 treatment; thus, the suggestion for farmers is to plant erect panicle indica rice in heavy fertilizer area or to use more fertilizer in moderate fertilizer area.

Suggested Citation

  • Guotao YANG & Xuechun WANG & Youlin PENG & Fahd RASUL & Ting ZOU & Yungao HU, 2018. "Different micro-climate response of indica rice population to nitrogen fertilizer," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 64(9), pages 407-412.
    • Handle: RePEc:caa:jnlpse:v:64:y:2018:i:9:id:422-2018-pse
    DOI: 10.17221/422/2018-PSE
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    Cited by:

    1. Noor Muhammad & Yating Zheng & Farhan Nabi & Guotao Yang & Sumbal Sajid & Abdul Hakeem & Xuechun Wang & Youlin Peng & Zartasha Khan & Yungao Hu, 2022. "Responses of nitrogen accumulation and translocation in five cytoplasmic hybrid rice cultivars," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 68(2), pages 73-81.

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