The fertilizer is produced by boiling whale meat, whale bones and whale skins, and then grinding them with a stone mill, and has been used as a marine fertilizer together with the sardine-based fertilizer.
鯨肉・鯨骨・鯨皮などを煮て石臼などで粉砕したものであり、鰯肥などと同様の海産肥料として使われた。