Ind. Code § 15-16-2-31.5
(a) Additional plant nutrients besides nitrogen (N), phosphate (P 2 O 5 ), and soluble potash (K 2 O), when mentioned or claimed on the:
(3) written or printed statement that accompanies delivery;
must be registered and guaranteed under section 31 of this chapter. Guarantees must be made on the elemental basis. The source of each guaranteed element must be included on the application for registration.
| Element | Percentage |
|---|---|
| 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 |
| Nickel (Ni) | 0.0010 |
| Sodium (Na) | 0.10 |
| Zinc (Zn) | 0.05 |
(e) When any compound of boron is incorporated into a commercial fertilizer, a special warning tag or statement must be furnished to the purchaser and must contain the following:
(3) A statement declaring use of the fertilizer on any other crops or under conditions other than those recommended may result in serious injury to the crops.
The tag or statement must be attached to or printed on the bag or other container in which the fertilizer is sold. For bulk fertilizers, the statement must be placed on the invoice or other document that must accompany delivery and be supplied to the purchaser at the time of delivery as provided in section 32 of this chapter.
(f) Except for the additional plant nutrients listed in subsection (b), additional plant food elements or other additives that are determinable by chemical methods may be guaranteed only by permission of the state chemist. The state chemist shall grant permission only if the state chemist determines, with the advice of the dean of agriculture of Purdue University or the dean's designee, that the guarantee would not constitute a misrepresentation and is correct. Additional plant foods that are guaranteed:
As added by P.L.98-2026, SEC.29.