1. 2021
2. Turnover of S-containing amino acids (cysteine and methionine) in grassland soils and their availability to plants

   Awdur: Wang, D., 8 Rhag 2021

   Goruchwylydd: Jones, D. (Goruchwylydd) & Chadwick, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. 2022
4. A Comparative Study of Phosphorus Based Fertilisers’ Performance: An Assessment on Plant Growth Parameters and Soil Health using Lolium Perenne

   Awdur: Ray, A., 26 Ion 2022

   Goruchwylydd: Jones, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Graddau Meistr trwy Ymchwil

5. Metabolomic and volatilomic profiling for the assessment of soil carbon cycling and biological quality

   Awdur: Brown, R., 4 Chwef 2022

   Goruchwylydd: Jones, D. (Goruchwylydd) & Chadwick, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

6. The influence of antecedent soil moisture conditions and nutrient management on soil nitrous oxide emissions.

   Awdur: Barrat, H., 8 Meh 2022

   Goruchwylydd: Cardenas, L. M. (Unigolyn allanol) (Goruchwylydd), Chadwick, D. (Goruchwylydd) & Jones, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

7. The impact of slurry acidification on soil and crop quality: a UK case study

   Awdur: Langley, J., 8 Awst 2022

   Goruchwylydd: Jones, D. (Goruchwylydd) & Chadwick, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

8. Community-scale viral ecology of agricultural soils and implications for biosolids disposal, wastewater treatment and public health

   Awdur: Hillary, L., 31 Awst 2022

   Goruchwylydd: McDonald, J. (Goruchwylydd) & Jones, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. Modelling the impacts of agri-environment scheme options on plants and soils

   Awdur: West, B., 11 Hyd 2022

   Goruchwylydd: Jones, D. (Goruchwylydd) & Smart, S. (Unigolyn allanol) (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

10. Mitigating the impacts of intensive agriculture on lowland organic soils

    Awdur: Musarika, S., 21 Tach 2022

    Goruchwylydd: Evans, C. D. (Unigolyn allanol) (Goruchwylydd), Jones, D. (Goruchwylydd), Chadwick, D. (Goruchwylydd) & McNamara, N. (Unigolyn allanol) (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

11. Acetamiprid in the environment : The impact of commercial neonicotinoid formulations on soil function and ecology

    Awdur: Potts, J., 14 Rhag 2022

    Goruchwylydd: Cross, P. (Goruchwylydd), Jones, D. (Goruchwylydd), Pywell, R. (Unigolyn allanol) (Goruchwylydd) & Hayward, M. (Unigolyn allanol) (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

12. Deep soil: investigating carbon sequestration potential and greenhouse gas behaviour in agricultural subsoil

    Awdur: Button, E., 14 Rhag 2022

    Goruchwylydd: Jones, D. (Goruchwylydd) & Chadwick, D. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

13. 2023
14. Examining organo-mineral fertilisers for crop growth; the efficiency of a mineral fertiliser with the benefits of an organic product.

    Awdur: Arslan, D., 27 Chwef 2023

    Goruchwylydd: Jones, D. (Goruchwylydd) & Chadwick, D. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Graddau Meistr trwy Ymchwil

15. Advancing knowledge of microbiallymediated lignocellulose degradation in soil using metagenomics and high-throughput in situ cultivation

    Awdur: Fidler, D., 7 Awst 2023

    Goruchwylydd: Jones, D. (Goruchwylydd), McDonald, J. (Goruchwylydd) & Griffiths, R. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

16. Use of passive samplers for the capture of SARS-CoV-2 and other viruses from wastewater

    Awdur: Lambert-Slosarska, K., 5 Rhag 2023

    Goruchwylydd: Jones, D. (Goruchwylydd) & Kevill, J. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Graddau Meistr trwy Ymchwil

17. Benefits of a Novel Bioplastic Coated Fertiliser on Nitrogen Use Efficiency in Turfgrass

    Awdur: Thompson, E., 13 Rhag 2023

    Goruchwylydd: Chadwick, D. (Goruchwylydd) & Jones, D. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Graddau Meistr trwy Ymchwil

18. 2024
19. Exploring the agronomic and environmental effects of herbal leys on lowland sheep production

    Awdur: Cooledge, E., 5 Ebr 2024

    Goruchwylydd: Jones, D. (Goruchwylydd) & Chadwick, D. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

20. Hydrology and dune slack habitat: in-depth assessment of the relationship between hydrological regime and plant communities

    Awdur: van Willegen, L., 18 Ebr 2024

    Goruchwylydd: Jones, D. (Goruchwylydd) & Jones, L. (Unigolyn allanol) (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth