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

Copper deficiency vs. healthy plant made worse by

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

Copper is important for

  • Lignin formation, chlorophyll performance and regulation of superoxide radicals
  • Necessary for blue pigment plastocyanin, seen in broccoli florets