title: Persistence of fenitrothion insecticide in poplar Populus tremuloides and gray birch Betula populifolia.
mesh_terms: D005278:Fenitrothion / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis*; D013997:Time Factors; D014197:Trees
chemical_list: D010573:Pesticide Residues; D005278:Fenitrothion