PhD defence Long-term persistence of soil organic matter in Amazonian Dark Earth PhD candidate dr. CF (Carlos) Brazao Vieira Alho Promotor prof.dr. TWM (Thomas) Kuijper Co-promotor ir. T (Tjisse) Hiemstra External copromotor dr WG Teixeira Organisation Wageningen University, Soil Biology Date Mon 11 November 2019 16:00 to 17:30 Venue Twitter Whatsapp Linkedin Email