Code of Maine Rules
01 - DEPARTMENT OF AGRICULTURE, CONSERVATION AND FORESTRY
001 - AGRICULTURE - GENERAL
Chapter 560 - STANDARDS FOR COMPOST PRODUCTS
Appendix 001-560-B - MAINE DEPARTMENT OF AGRICULTURE, FOOD AND, RURAL RESOURCES FERTILIZER NUTRIENT REQUIREMENTS
Universal Citation: 01 ME Code Rules ยง 001-560-B
Current through 2024-38, September 18, 2024
To qualify as a fertilizer, a material must:
(1.) have at least 1 (one) percent of one of the three plant macronutrients, nitrogen, phosphoric acid or potash measured on a dry weight basis
or
(2.) have a minimum percentage of one or more micronutrient as follows:
| Element | % |
| Calcium | 1.00 |
| Magnesium | 0.50 |
| Sulfur | 1.00 |
| Boron | 0.02 |
| Chlorine | 0.10 |
| Cobalt | 0.0005 |
| Copper | 0.05 |
| Iron | 0.10 |
| Manganese | 0.05 |
| Molybdenum | 0.0005 |
| Sodium | 0.10 |
| Zinc | 0.05 |
Disclaimer: These regulations may not be the most recent version. Maine may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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