Garden Glossary

Micronutrients

Horticulture expert Dr. Lelia Kelly defines the gardening term "Micronutrients". A micronutrient are the nutrients that are required by plants in very small amounts.  They include Chlorine, Boron, Iron, Zinc, Magnesium, Molybdenum and Copper, unlike Nitrogen, Potassium and Phosphorous, which are used by plants in large amounts.