Strawberries require the right nutrients, at the right time, to achieve the best results possible. Here you find an overview of the role of nutrients by strawberry growth stage.
Post harvest to Establishment
- Nitrogen - to build reserves in the crown for recycling and subsequent growth of new leaves in the spring.
- Phosphorus, calcium, boron and zinc - to maximize strong root development and support new growth.
- Potassium - for good plant development.
- Nitrogen - main doses are required at this stage for leaf and plant expansion
- Phosphorus - to meet uptake needs through flowering.
- Potassium - to promote strong lead growth and build a strong plant development.
- Calcium - to build levels in the plant and maintain a steady supply to developing tissues.
- Sulfur and magnesium - maintain vigorous, healthy leaf growth and to improve plant supplies.
- Micronutrients - ensure photosynthetic growth is not limiting.
Flowering to fruit set
- Potassium - peak demand for berry development and to build fruit quality.
- Nitrogen - in reduced amounts so as not compromise fruit stability.
- Phosphorus - for strong flower bud formation.
- Calcium and magnesium - to support new tissue development and boost fruit integrity, reduce disease and maximize shelf life.
- Boron - for good pollen production, seed formation and fruit set.
- Other micronutrients - as needed to maintain growth.
Fruiting to maturity
- Potassium - to maximize fruit quality, particularly TSS, acidity and taste.
- Phosphorus - to top up levels being redistributed to the fruit.
- Nitrogen - in limited quantities to balance other nutrients (excessive N at this stage can spoil fruit, but too little N reduces fruit size).
- Boron and calcium - for fruit strength.