# Title 33 — State Department of Health

## Article 33-32 — Rules Initiated by the Registration Division

## Chapter 33-32-01 — Fertilizer

### § 33-32-01-01. Guarantees for micronutrients.

Additional plant nutrients, besides nitrogen, phosphorus, and potassium, when mentioned or
claimed on the label or container shall be registered and shall be guaranteed. Guarantees shall be
made on the elemental basis. Sources of the elements guaranteed shall be shown on the application
for registration. When claims for such nutrients are made on the label, container, or application for
registration, the minimum percentages which will be accepted for registration are as follows:
Element Percent
Calcium (Ca) 1.00
Magnesium (Mg) 0.50
Sulfur (S) 1.00
Boron (B) 0.02
Chlorine (Cl) 0.10
Cobalt (Co) 0.0005
Copper (Cu) 0.05
Iron (Fe) 0.10
Manganese (Mn) 0.05
Molybdenum (Mo) 0.0005
Sodium (Na) 0.10
Zinc (Zn) 0.05
Guarantees or claims for the above-mentioned additional plant nutrients are the only ones which will be
accepted. Proposed labels and directions for use of the fertilizer shall be furnished with the application
for registration upon request. Warning or caution statements are required on the label for any product
which contains three-hundredths percent or more of boron in a water-soluble form or one-thousandth
percent or more of molybdenum. Any of the above-listed elements which are guaranteed shall appear
in the order listed, immediately following guarantees for the primary nutrients, nitrogen, phosphorus,
and potassium.
History: Effective August 1, 1988.
General Authority: NDCC 19-20.1-12, 23-01-03(3)
Law Implemented: NDCC 19-20.1-12
