Soybean
  • Almond
  • Citrus
  • Corn
  • Cotton
  • Lettuce
  • Onions
  • Potatoes
  • Rice
  • Soybean
  • Strawberries
  • 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
  • Prevention of fungal diseases