Coffee agroforestry system (at least 50 years-old plantation), large farm (700 ha) in a valley, between 900-1300 m.a.s.l. Watershed hydrology, eddy-covariance, nutrient cycles, NPP+litter above and belowground and soil N2O fluxes are monitored. The site is managed by the farmer for fertilization (200 kgN ha-1 yr-1), pruning, weeding (herbicides), harvest (annual). There is no tillage
