Copper deficiency made worse by
- Organic soils
- Chalky soils
- Sandy soils
- Reclaimed heathland
- High nitrogen applications
Copper is important for
- Healthy green foliage
- Improved yield
Yara recommended fertilizers for Copper
YaraVita COPTRAC DUAL
Potatoes: 0.5 l/ha applied 7 to 14 days after 100 percent emergence and following petiole analysis during tuber bulking. Water rate: 200 l/ha ( 30 l/ha for aerial application).
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