Maïs - Chlorosis
Symptômes
The youngest leaves show yellow interveinal discoloration as they come out of the whorl. Mainly the basal part of the leaf is uniformly yellowgreen.
Raisons
Mild Copper deficiency
Copper deficiency in corn is rarely seen. N + S deficiency and cool weather produce symptoms similar to mild copper deficiency.
Leaf streaking can be similar to Fe deficiency.
Copper deficiency aggravé par
- Organic soils
- Chalky soils
- Sandy soils
- Reclaimed heathland
- High nitrogen applications
Cuivre est important pour
- Improves fertility
- Good cob development
- Improves yield
- Brings harvest date forward
Yara a recommandé cet engrais pour Cuivre
YaraVita COPTREL 500
Maize: 0.5 l/ha at the 4 to 8 leaf stage. Water rate: 200 l/ha.
En savoir plus YaraVita COPTREL 500
