TARIFF SCHEDULES OF THE UNITED STATES
SCHEDULE 4. - CHEMICALS AND RELATED PRODUCTS Part 11. - Fertilizers and Fertilizer Materials
25 1 Rates of Duty
PART 11. - FERTILIZERS AND FERTILIZER MATERIALS Part 11 headnote: I. The articles described In this part are classifiable hereunder whether or not obtained, derived, or manufactured In whole or In part from any product described In part I of this schedule.
Limestone, crude, broken, or crushed, when imported to be used in the manufacture of fertilizer
Free
Free
i 80.10 f
Manures, including guano
Free
Free
480.15
Calcium cyanamide or lime nitrogen
Free
Free
i 80.20 t
Calcium nitrate
Free
Free
i 80.25 f
Sodium nitrate
Free
Free
480.30
Urea
Free
Free
480.35
Basic slag
Free
Free
480.40
Bone ash, bone dust, and bone meal
Free
Free
480.45
Phosphates, crude, and apatite
Free
Free
480.50
Potassium chloride or muriate of potash
Free
Free
480.55
Potassium sulfate
Free
Free
480.60
Potassium nitrate or saltpeter, crude
Free
Free
480.65 480.70 480.75 480.80
Those grades of all substances (other than are described in the foregoing items of this part) used chiefly for fertilizers, or chiefly as an ingredient in the manufacture of fertilizers: Nitrogenous fertilizers and fertilizer materials.. Phosphatic fertilizers and fertilizer materials... Potassic fertilizers and fertilizer materials Other
Free Free Free Free
Free Free Free Free
i 80.05 t
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