N.D. Admin. Code 7-15-02-01

Current through Supplement No. 395, January, 2025
Section 7-15-02-01 - Accepted micronutrient minimum concentrations

Micronutrients when mentioned in any form or manner shall be registered and guaranteed. Guarantees shall be made on the elemental basis; however, the source of the micronutrient must be specified. For example, a micronutrient that is a mixture of EDTA and citric acid bound micronutrient must specify the percentage of total micronutrient in each form. An iron EDDHA micronutrient must specify the percentage of total iron in ortho-ortho-EDDHA and ortho-para-EDDHA. Except guarantees for those water soluble nutrients labeled for ready-to-use foliar fertilizers, read-to-use specialty liquid fertilizers, hydroponic or continuous liquid feed programs and guarantees for potting, garden, and lawn soils, the minimum percentages which will be accepted for registration are as follows:

Element

Minimum Conce., %

Calcium (Ca)

1.0000

Magnesium (Mg)

0.5000

Sulfur (S)

1.0000

Boron (B)

0.0200

Chlorine (CI)

0.1000

Cobalt (Co)

0.0005

Copper (Cu)

0.0500

Iron (Fe)

0.1000

Manganese (Mn)

0.0500

Molybdenum (Mo)

0.0005

Nickel (Ni)

0.0010

Sodium (Na)

0.1000

Zinc (Zn)

0.0500

N.D. Admin Code 7-15-02-01

Adopted by Administrative Rules Supplement 2014-354, October 2014, effective 10/1/2014. .

General Authority: NDCC 19-20.1-12

Law Implemented: NDCC 19-20.1