Soijapapu - Deformation
Oireet
Some leaf blades in the upper and medium height show irregular yellow discolorations, starting from the leaf veins. In the displayed photo, the interveinal fields remain green.
Syyt
Copper deficiency
Reports of copper deficiencies are rare in greenhouses. In field cultivation, they are most likely on sandy or organic soils.
Soijapapu - Chlorosis
Oireet
Several leaf blades in the upper and medium height show yellow discolorations, starting from the leaf margins and proceeding towards the leaf base.
Syyt
Copper deficiency
Reports of copper deficiencies are rare in greenhouses. In field cultivation, they are most likely on sandy or organic soils.
Soijapapu - Deformation
Oireet
Some leaf blades in the upper and medium height show irregular yellow discolorations. In the present case, an interveinal chlorosis produces a mottled appearance.
Syyt
Copper deficiency
Reports of copper deficiencies are rare in greenhouses. In field cultivation, they are most likely on sandy or organic soils.
Copper deficiency pahentaa
- Organic soils
- Chalky soils
- Sandy soils
- Reclaimed heathland
- High nitrogen applications
Kupari on tärkeä
- Component of enzymes
- Important role in photosythesis and phenol metabolism of plants
- Regulation of destructive superoxide radicals inside cells
- Prevention of fungal diseases
