Externally funded research projects (on-going):

• 'SIGNAL - Sustainable intensification of agriculture through agroforestry'
  Site: Germany
  Funded by the German Federal Ministry of Education and Research, BMBF (2018-2021)
  Xenia Bischel (PhD candidate); 'Nutrient retention and nutrient response efficiencies in long-term established agroforestry versus conventional monoculture croplands: effects of reduced fertilization rates'.
  Dr. Marcus Schmidt (Post-doctoral fellow); 'Soil ecological functions in agroforestry versus conventional monoculture systems'.


• 'Nutrient response efficiency and leaching losses in newly and long-term established agroforestry versus conventional monoculture croplands'.
  Site: Germany
  Funded by the Chinese Scholarship Council (2018-2022) and the German Federal Ministry of Education and Research, BMBF (2018-2021)
  Dan Niu (PhD candidate).


• 'Soil greenhouse gas fluxes, nutrient leaching losses and nutrient response efficiency in a large-scale oil palm plantation: conventional versus reduced management practices'.
  Site: Indonesia
  Funded by the Chinese Scholarship Council (2018-2022) and the German Research Foundation, DFG (2016-2019)
  Guan-tao Chen (PhD candidate).


• RELIANCE: nutRiEnt Limitations In A ugaNdan tropiCal forEst'.
  Site: Uganda
  Funded by the German Research Foundation, DFG (2017-2020)
  Principal Investigator: Dr. Oliver van Straaten
  Raphael Manu (PhD candidate).


• 'Gross rates of soil nitrous oxide emission and uptake in cropland agroforestry and monoculture systems'.
  Site: Germany
  Funded by the Chinese Scholarship Council (2017-2021) and the German Federal Ministry of Education and Research, BMBF
  Jie Luo (PhD candidate).


• ‘Soil greenhouse gas (N2O, CH4, CO2) fluxes from cropland agroforestry and monoculture systems’.
  Site: Germany
  Funded by the Chinese Scholarship Council (2017-2021) and the German Federal Ministry of Education and Research, BMBF
  Guodong Shao (PhD candidate).


• 'Nutrient response efficiency, soil greenhouse gas (CO2, N2O, CH4) fluxes, and leaching losses in low and high fertilizer input vegetable production systems on Andosol soil'.
  Site: Philippines
  Funded by the German Academic Exchange Service, DAAD (20017-2020)
  Cecille Marie O. Quiñones (PhD candidate).


• Project A05: 'Nutrient use and retention efficiency, free-living N₂ fixation and soil and tree-stem N₂O and CH₄ fluxes in rainforest transformation systems' of the Collaborative Research Center 990 (Ecological and Socioeconomic Functions of Tropical Lowland Rainforest Transformation Systems).
  Site: Sumatra, Indonesia
  Funded by the German Research Foundation, DFG (2016-2019)
  Greta Formaglio and Josephus Adrianus Koks (PhD candidates)
  Dr. Amanda L. Matson (Post-doctoral fellow).
  [read more about CRC 990]


• 'Nitrous oxide emissions from soils and tree stems of rainforests and cacao agroforests in the Congo basin, Cameroon'
  Site: Cameroon
  Funded by the German Research Foundation, DFG (2017-2020)
  Najeeb Al-Amin Iddris (PhD candidate).


• 'Soil nutrient stocks and greenhouse gas fluxes from conventional and reduced impact logging of forests on highly weathered soils in Cameroon'
  Site: Cameroon
  Funded by the German Academic Exchange Service, DAAD (20016-2020)
  Rodine Tchiofo (PhD candidate).