1. Evaluation of vermicompost from composts for agricultural and horticultural uses

   Awdur: Roberts, P., Ion 2006

   Goruchwylydd: Jones, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

2. Enhanced phosphate cycling using Tithonia diversifolia

   Awdur: Scrase, F. M., Meh 2004

   Goruchwylydd: Jones, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. Monitoring and analysis of the structure, function and biodiversity of soils

   Awdur: Seaton, F., 8 Meh 2020

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

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

4. Cycling of dissolved organic nitrogen in plant-soil systems

   Awdur: Soomro, Z., 4 Gorff 2014

   Goruchwylydd: Jones, D. L. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Meistr mewn Athroniaeth

5. Quantifying and mitigating greenhouse gas emmissions from horticultural peat soils

   Awdur: Taft, H., 1 Tach 2014

   Goruchwylydd: Jones, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

6. 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

7. Whole tree harvesting and wood ash recycling to forests : case studies in upland Sitka spruce in Wales

   Awdur: Walmsley, J. D., Medi 2008

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

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

8. 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

9. Optimisation of biogas production by advanced process monitoring and the effect of mixing frequency on biogas reactors with and without microbial support media

   Awdur: Ward, A. J., Meh 2009

   Goruchwylydd: Holliman, P. (Goruchwylydd) & Jones, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

10. 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

11. Assessing the role of DON in semi natural and agricultural ecosystems

    Awdur: Willett, V. B., Maw 2004

    Goruchwylydd: Jones, D. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

12. Persistence of escherichia coli O157 in contrasting environments and its implications for human health

    Awdur: Williams, A. P., Awst 2006

    Goruchwylydd: Jones, D. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

13. Soil-vegetation based remediation studies of landfill leachate

    Awdur: Williamson, K., 2001

    Goruchwylydd: Jones, D. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

14. Norovirus contamination of Mytilus edulis shellfisheries : assessing the threat to human health

    Awdur: Winterbourn, B., 18 Rhag 2014

    Goruchwylydd: Jones, D. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

15. Modelling greenhouse gas emissions for the UK and overseas food production

    Awdur: York, E., Ion 2012

    Goruchwylydd: Jones, D. (Goruchwylydd) & Edwards-Jones, G. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

16. 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