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
Potatoes: 0.5 L/ha applied 7 to 14 days after 100% emergence and following petiole analysis during tuber bulking. Water rate: 200 L/ha (30 L/ha for aerial application).
Read more about YaraVita COPTRAC