The present Invention relates to an agricultural Fungicide containing at least one selected from the group consisting of a compound containing nitrogen heteroc\u00cdclico novel represented by the formula (i) or a Salt thereof, an n - Oxide Compound of formula (i), mismo.en R repr You have a group represented by CR 1 R 2 R 3 or a cyano Group.R1 to R3 each independently represent a hydrogen Atom, an alkyl group C 1 - 8 substituted or non substituted hydroxyl Group, a substituted or unsubstituted, or similar. R4 or R5 represents a Halogen or similar Group. Y or z represents a carbon Atom or the like, a or d represents a benzene Ring or similar.X represents an oxygen Atom or a nitrogen Atom or similar.