TY - GEN AU - Heil,G W AU - Werger,M J AU - de Mol,W AU - van Dam,D AU - Heijne,B TI - Capture of atmospheric ammonium by grassland canopies SN - 0036-8075 PY - 2010///0702 N1 - Publication Type: Journal Article UR - https://doi.org/10.1126/science.239.4841.764 ER -