Thanawan Buacharoen School of Geography, Earth and Environmental SciencesPhD student Contact details AddressSchool of Geography, Earth and Environmental SciencesºÚÁϳԹÏÍø Edgbaston Birmingham B15 2TT UK Thanawan Buacharoen is a PhD candidate in Environmental Health Sciences, supervised by Prof Eugenia Valsami-Jones, on a project entitled: "Development of nanohybrid fertilizer to control release macronutrient (NPK) in soil."