Maisto medžiagos
Bulvės - Deformation
Simptomai
Copper deficiency causes permanent wilting of plants. Particularly young leaves roll in.
Leaf tips and margins may drie off without preceding chlorosis.
Priežastys
Copper deficiency on leaves
Normally potatoes are not sensitive to copper deficiency. Symptoms are seldom visible in the field.
Bulvės - Deformation
Simptomai
Copper deficiency causes permanent wilting of plants. Particularly young leaves roll in.
Priežastys
Copper deficiency on leaves
Normally potatoes are not sensitive to copper deficiency. Symptoms are seldom visible in the field.
Copper deficiency padidėja, kai yra
- Organic soils
- Chalky soils
- Sandy soils
- Reclaimed heathland
- High nitrogen applications
Varis yra svarbu, nes
- Healthy green foliage
- Improved yield
Yara rekomendacijos Varis
YaraVita COPTREL 500
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.
Skaitykite daugiau apie YaraVita COPTREL 500
