Spatiotemporal patterns of ammonia fluxes on temperate dairy farm production grassland (Lolium perenne L.) - Claudia C. Schwennen; Albert Tietema; Emiel E. van Loon; Klaus S. Larsen; Tamar Tulp; Bram Ebben; Roland Bol; S. Henrik Barmentlo (Agriculture, Ecosystems & Environment, 2026)