Carrots
  • Beans
  • Cabbage
  • Carrots
  • Chili
  • Citrus
  • Cocoa
  • Maize
  • Oil Palm
  • Onions
  • Potatoes
  • Rice
  • Tobacco
  • Tomato

Copper deficiency made worse by

  • Organic soils
  • Calcareous soils
  • Sandy soils
  • Reclaimed heathland
  • High nitrogen applications

Copper is important for

  • Component of enzymes
  • Important role in photosythesis and phenol metabolism of plants
  • Regulation of destructive superoxide radicals inside cells
  • Moderate requirement