1. The drivers of soil organic matter turnover across spatial scales and the effect of climate change on gaseous losses of C and N from heathland systems

   Awdur: Mills, R., Ion 2011

   Goruchwylydd: Emmett, B. A. (Unigolyn allanol) (Goruchwylydd) & Jones, D. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

2. The effect of slurry processing on phosporus bioavailability and mobility

   Awdur: Li, Y., Ion 2017

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

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

3. The effects of freeze-thaw cycles on the composition and concentration of low molecular weight dissolved organic carbon in Arctic tundra soils

   Awdur: Foster, A., 30 Tach 2015

   Goruchwylydd: Roberts, P. (Goruchwylydd) & Jones, D. L. (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

4. The environmental behaviour and toxicological effect of propetamphos in an estuarine environment.

   Awdur: Ortega, S. G., Hyd 2002

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

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

5. 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

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 potential of biological nitrification inhibitors to suppress soil nitrification and reduce greenhouse gas emissions

   Awdur: Ma, Y., 10 Awst 2020

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

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

8. Transformation of peptides and amino acids in soil and plants

   Awdur: Magthab, E., 4 Medi 2014

   Goruchwylydd: Jones, D. (Goruchwylydd), Roberts, P. (Goruchwylydd) & Murphy, D. V. (Unigolyn allanol) (Goruchwylydd)

   Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth

9. 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

10. Understanding plant residue decomposition in shrubland ecosystem

    Awdur: Marella, V. S., Ion 2015

    Goruchwylydd: Roberts, P. (Goruchwylydd) & Jones, D. L. (Goruchwylydd)

    Traethawd ymchwil myfyriwr: Doethur mewn Athroniaeth