Explanatory notes
… by mixing together or chemical treatment ( other than bone superphosphates of heading 31.03 ). However, these products … hoof, or fish waste ( Chapter 5 ). (c) Flours, meals and pellets of meat or meat offal, of fish or of crustaceans, … or distilling dregs, etc.). (d) Ash from bone, wood, peat or coal ( heading 26.21 ). (e) Mixtures of the …