Sami Ullah

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Publications

  1. Published

    Biological nitrogen fixation in peatlands: comparison between acetylene reduction assay and 15N2 assimilation methods

    Sami Ullah, 1 Apr 2019, In: Soil Biology and Biochemistry. 131, p. 157-165 9 p.

    Research output: Contribution to journal › Article › peer-review

  2. Published

    Soil greenhouse gas fluxes, environmental controls and the partitioning of N2O sources in UK natural and semi-natural land use types.

    Sami Ullah, 25 Sep 2017, In: Journal of Geophysical Research: Biogeosciences.

    Research output: Contribution to journal › Article › peer-review

  3. Published

    Relative magnitude and controls of in situ N2 and N2O fluxes due to denitrification in natural and semi-natural terrestrial ecosystems using 15N tracers

    Sami Ullah, 28 Oct 2015, In: Environmental Science and Technology. 49, 24, p. 14110-14119

    Research output: Contribution to journal › Article › peer-review

  4. Published

    Relative magnitude and controls of in situ N2 and N2O fluxes due to denitrification in natural and seminatural terrestrial ecosystems using 15N tracers 

    Sami Ullah, 15 Dec 2015, In: Environmental Science and Technology. 49, 24, p. 14110-14119 10 p.

    Research output: Contribution to journal › Article › peer-review

  5. Published

    Application of the 15N gas-flux method for measuring in situ N2 and N2O fluxes due to denitrification in natural and semi-natural terrestrial ecosystems and comparison with the acetylene inhibition technique

    Sami Ullah, 29 Mar 2016, In: Biogeosciences. 13, 6, p. 1821-1835 15 p.

    Research output: Contribution to journal › Article › peer-review

  6. Published

    Alleviation of nitrogen stress in rice (Oryza sativa) by ceria nanoparticles

    Peng Zhang, Zhiling Guo, Sami Ullah & Iseult Lynch, 1 Oct 2020, In: Environmental Science: Nano. 7, 10, p. 2930-2940 11 p.

    Research output: Contribution to journal › Article › peer-review

  7. Published

    Revealing chlorinated ethene transformation hotspots in a nitrate impacted hyporheic zone

    Stefan Krause, Sami Ullah, Nigel Cassidy, 15 Sep 2019, In: Water Research. 161, p. 222-231 10 p.

    Research output: Contribution to journal › Article › peer-review

  8. Published

    Natural attenuation of chlorinated ethenes in hyporheic zones: A review of key biogeochemical processes and in-situ transformation potential

    Stefan Krause, Sami Ullah, Nigel Cassidy, 1 Jan 2018, In: Water Research. 128, p. 362-382 21 p.

    Research output: Contribution to journal › Review article › peer-review

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