Md. Code Regs. 15.22.02.04

Current through Register Vol. 52, No. 1, January 10, 2025

Section 15.22.02.04 - Soil Amendments and Fertilizers

A. A producer may use any of the substances or practices in §B of this regulation.

B. A producer shall follow label instructions, when applicable, when using the following substances:

(1) Adjuvants and wetting agents (organic);

(2) Animal manures;

(3) Biodynamic preparations;

(4) Blood meal;

(5) Bone meal;

(6) Boron/borax;

(7) Chelates and fritted trace elements;

(8) Composts;

(9) Diatomaceous earth;

(10) Dolomite;

(11) Epsom salts;

(12) Fallowing;

(13) Fish emulsion;

(14) Fish meal;

(15) Gibberellic acid and other naturally occurring growth regulators;

(16) Green manures;

(17) Greensand;

(18) Ground oyster, clam, lobster, crab shells;

(19) Gypsum;

(20) Hoof and horn meal (low lead);

(21) Kelp or seaweed meals, extracts, and algae;

(22) Legumes as cover crops;

(23) Limestone;

(24) Microbial compost or soil inoculants;

(25) Micronutrients (dry and foliar);

(26) Molybdenum (various);

(27) Mulches;

(28) Peat moss;

(29) Perlite;

(30) Potassium sulfate;

(31) Rock or colloidal phosphate (low heavy metals);

(32) Sawdust;

(33) Sulfate of iron, manganese, and molybdenum;

(34) Sulfate of zinc, boron, copper;

(35) Sulfur (elemental);

(36) Sul po mag (langbeinite);

(37) Vermiculite;

(38) Wood ashes;

(39) Worm castings; or

(40) Any other substance or practice approved by the Department.

C. A producer may not apply any allowed soil amendment or fertilizer at a rate that exceeds that recommended by an agency or a laboratory approved by the Department.

D. A producer shall forward to the Department the label and any other instructions for any product approved by the Department but not listed in this regulation.

Md. Code Regs. 15.22.02.04

Regulations .04 adopted as an emergency provision effective May 21, 1991 (18:12 Md. R. 1318); emergency status expired December 1, 1991; adopted permanently effective April 13, 1992 (19:7 Md. R. 746)
Regulation .04 amended as an emergency provision effective January 30, 2001 (28:4 Md. R. 415); amended permanently effective May 14, 2001 (28:9 Md. R. 888)
Regulation .04C, D adopted as an emergency provision effective May 19, 1995 (22:12 Md. R. 897); emergency status extended at 22:19 Md. R. 1470; adopted permanently effective October 9, 1995 (22:20 Md. R. 1545)