Phosphorus deficiency made worse by

  • Acidic or very alkaline (calcareaus) soils
  • Low organic matter
  • Cold or wet conditions
  • Crops with a poorly developed root system
  • Soils with low P reserves
  • Soils with a high phosphate capacity
  • Iron rich soils

Phosphorus is important for

  • Stronger plants, healthier plants with more resistance to cold weather
  • Bigger bolder berries
  • Improves efficiency of fungicide sprays
  • Reduces incidence of botrytis
  • Firmer berries with better storage potential
  • Increases shelf life

Yara recommended fertilizers for Phosphorus



Strawberry (field grown): Non-everbearing varieties, 3 applications of 10 l/ha from start of flowering. Repeat applications at 7-10 day intervals. Everbearing varieties, divide a total rate of 30 l/ha into 6 applications of 5 l/ha. Do not apply successive applications at intervals of less than 10-14 days. Water rate: 500 l/ha.

Read more about YaraVita SENIPHOS