Nutriments
Betterave - Growth retardation
Symptômes
Growth of N deficient plants is inhibited, the sugar beet plants remain smaller and have a stiff upright appearance.
The leaves get a light green colour, later they become uniformly chlorotic yellow.
Raisons
Nitrogen deficiency.
Sulphur deficiency shows similar symptoms as N deficiency, but chlorosis starts on younger leaves.
Nitrogen deficiency aggravé par
- Low or high pH soils
- Sandy or light soils (leaching
- ) Low organic matter
- Drought conditions
- High rainfall (leaching) or heavy irrigation
- Addition or high levels of non-decomposed organic matter/manure (eg straw)
- Fast growing crops
Azote est important pour
- Better crop development
- Improved root yield and quality
Yara a recommandé cet engrais pour Azote
YaraVita SAFE-N 300
Sugar Beet: 10 to 25 l/ha at the 4 to 6 leaf stage. Repeat one month later if required. Water rate: 100 to 200 l/ha.
En savoir plus YaraVita SAFE-N 300
