A producer may use any of the substances or practices in §B of this regulation. A producer shall follow label instructions, when applicable, when using the following substances: Adjuvants and wetting agents (organic); Animal manures; Biodynamic preparations; Blood meal; Bone meal; Boron/borax; Chelates and fritted trace elements; Composts; Diatomaceous earth; Dolomite; Epsom salts; Fallowing; Fish emulsion; Fish meal; Gibberellic acid and other naturally occurring growth regulators; Green manures; Greensand; Ground oyster, clam, lobster, crab shells; Gypsum; Hoof and horn meal (low lead); Kelp or seaweed meals, extracts, and algae; Legumes as cover crops; Limestone; Microbial compost or soil inoculants; Micronutrients (dry and foliar); Molybdenum (various); Mulches; Peat moss; Perlite; Potassium sulfate; Rock or colloidal phosphate (low heavy metals); Sawdust; Sulfate of iron, manganese, and molybdenum; Sulfate of zinc, boron, copper; Sulfur (elemental); Sul po mag (langbeinite); Vermiculite; Wood ashes; Worm castings; or Any other substance or practice approved by the Department. 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. 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.