12 KAR 4:080. Plant nutrients.

 

      RELATES TO: KRS 250.366(7)

      STATUTORY AUTHORITY: KRS 250.421

      NECESSITY, FUNCTION, AND CONFORMITY: To prescribe in detail when and how plant nutrients in addition to nitrogen, phosphorus and potassium shall be registered and guaranteed.

 

      Section 1. Plant nutrients in addition to nitrogen, phosphorus and potassium when mentioned in any form or manner shall be registered and shall be guaranteed. Guarantees shall be made on the elemental basis. Sources of the elements guaranteed and proof of availability shall be provided the director upon request. Except guarantees for those water soluble nutrients labeled for hydroponic or continuous liquid feed programs, and guarantees for potting soils, the minimum percentages which will be accepted for registration are as follows:

 

Element

Percent

Calcium (Ca)

1.0000

Magnesium (Mg)

0.5000

Sulfur (S)

1.0000

Boron (B)

0.0200

Chlorine (Cl)

0.1000

Cobalt (Co)

0.0005

Copper (Cu)

0.0500

Iron (Fe)

0.1000

Manganese (Mn)

0.0500

Molybdenum (Mo)

0.0005

Sodium (Na)

0.1000

Zinc (Zn)

0.0500

 

      Section 2. Guarantees or claims for the plant nutrients listed in Section 1 of this administrative regulation are the only ones which will be accepted. Proposed labels and directions for the use of the fertilizer shall be furnished with the application for registration upon request. Any of the elements listed in Section 1 of this administrative regulation which are guaranteed shall appear in the order listed and shall immediately follow guarantees for the primary nutrients of nitrogen, phosphorus and potassium if present. (11 Ky.R. 509; eff. 11-13-84; Am. 21 Ky.R. 450; eff. 9-28-94.)