Calcium deficiency made worse by
- Acidic soils
- Sandy or light soils (leaching)
- Acid peat soils
- Soils rich in sodium
- Soils rich in aluminium
- Drought conditions
- Fruit high in nitrogen or potassium
- Large fruit
Calcium is important for
- Improved berry quality
- Reduction of grape stalk necrosis
- Improved berry firmness and storage potential
Yara recommended fertilizers for Calcium
YaraLiva NITRABOR
Grapevines: 150-250 kg/ha applied at bud break followed by 100 to 150 kg/ha application after flowering. 250-300 kg/ha application as post-harvest. For more detailed advice on rates and timings, contact your local Yara Agronomist.
Read more about YaraLiva NITRABORYaraTera CALCINIT
Grapevines: 150-250 kg/ha applied at bud break followed by 100 to 150 kg/ha application after flowering. 250-300 kg/ha application as post-harvest. For more detailed advice on rates and timings, contact your local Yara Agronomist.
Read more about YaraTera CALCINITYaraVita CALTRAC BZ
Grapevines: Two applications of 5 l/ha at a 10 to 14 day interval starting from fruit set. Water rate: 200 l/ha. N.B: Late applications may leave a deposit on berries which may be of significance for table grapes.
Read more about YaraVita CALTRAC BZYaraVita SENIPHOS
Grapevines: 10 l/ha at fruit set and repeated 2-3 times at 10-14 day intervals. Water rate: 500 l/ha.
Read more about YaraVita SENIPHOSYaraVita STOPIT
Grapevines: A minimum of three applications, 7-10 l/ha, starting at 4mm berry size and repeating at 10-14 days intervals; treat again at berry colouring. Water rate: 500-1,000 l/ha.
Read more about YaraVita STOPIT
