Maize - Growth retardation
Symptoms
Yellow or white spots may develop on leaves with brown waxy raised streaks as deficiency develops.
Growth is stunted with shortened internodes
Causes
Boron deficiency (right)
Boron deficiency vs. healthy plant made worse by
- Sandy soils
- Alkaline soils
- Soils low in organic matter
- High levels of nitrogen
- High levels of calcium
- Cold wet weather
- Periods of drought
Boron is important for
- Improved cob and kernel development
- Improved crop development
- Increased yield
Yara recommended fertilisers for Boron deficiency
YaraVita BORTRAC 150
Maize: 3 l/ha at 6-8 leaf stage. For moderate to severe deficiency, a repeat application may be necessary 10-14 days later. Water rate: 200 l/ha.
Read more about YaraVita BORTRAC 150
