Boron (B)
- Helps in the use of nutrients and regulates other nutrients.
- Aids production of sugar and carbohydrates.
- Essential for seed and fruit development.
- Sources of boron are organic matter and borax
Copper (Cu)
- Important for reproductive growth.
- Aids in root metabolism and helps in the utilization of proteins.
Chloride (Cl)
- Aids plant metabolism.
- Chloride is found in the soil.
Iron (Fe)
- Essential for formation of chlorophyll.
- Sources of iron are the soil, iron sulfate, iron chelate.
Manganese (Mn)
- Functions with enzyme systems involved in breakdown of carbohydrates, and nitrogen metabolism.
- Soil is a source of manganese.
Molybdenum (Mo)
- Helps in the use of nitrogen
- Soil is a source of molybdenum.
Zinc (Zn)
- Essential for the transformation of carbohydrates.
- Regulates consumption of sugars.
- Part of the enzyme systems which regulate plant growth.
- Sources of zinc are soil, zinc oxide, zinc sulfate, zinc chelate.