Section 06 PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES 31 FERTILIZERS 31 05 GOODS OF THIS CHAPTER IN TABLETS OR SIMILAR FORMS OR IN PACKAGES OF A 31 05 20 MINERAL OF CHEMICALFERTILIZERS CONT. NITROGEN, PHOSPHORUS & POTASSIUM Commodity Code Description 31 05 20 00 MINERAL OF CHEMICALFERTILIZERS CONT. NITROGEN, PHOSPHORUS & POTASSIUM