Strawberry is a nutrient-sensitive crop with a shallow root system and a long harvest period. So feeding should be little and often, balanced, and stage-specific. The right program directly affects fruit number, size, firmness, and shelf life. This guide presents a stage-by-stage strawberry fertilization program from planting to harvest, with product recommendations.
The Foundation: Soil Analysis
Strawberry's shallow roots are sensitive to nutrients and salinity, so the program should start with a soil analysis and EC must be carefully managed. Use our free consultancy to interpret the results.
Fertilization Program by Growth Stage
1. Planting and Rooting Stage
The goal is rapid establishment and a strong root system. High-phosphorus formulations (e.g. 13-40-13) support rooting. To reduce planting stress and accelerate rooting, an application of AminoWork is recommended. Keep EC low (about 1.0-1.2 mS/cm).
2. Vegetative (Crown and Leaf) Stage
For leaf and crown growth with balanced nutrients and organic components, Power NPK is ideal. Avoid excess nitrogen, which promotes leaves over fruit.
3. Flowering and Fruit Set Stage
At flowering, amino acid support along with boron and calcium improves set. AminoWork reduces flower drop and strengthens fruit set.
4. Fruit Growth and Long Harvest Stage
Potassium demand is high through the long harvest; potassium-led nutrition improves fruit sugar, colour, and firmness. Calcium is critical for fruit firmness and shelf life. For stress resistance and fruit quality, seaweed-based RapidAlg is recommended. With continuous harvest, regular little-and-often feeding sustains yield.
Common Nutrient Problems in Strawberry
- Iron chlorosis: on high-pH soils, young leaves yellow; quickly corrected with FerroPlus (chelated iron).
- Calcium deficiency: leads to soft fruit and short shelf life; prevented with consistent irrigation and calcium nutrition.
- Salinity (high EC): burns the shallow roots; EC monitoring and balanced fertigation are essential.
Application via Fertigation
Strawberry is among the crops best suited to little-and-often feeding; delivering nutrients directly to the root zone via drip irrigation is ideal. For EC/pH management, see our fertigation guide, and for ratio selection the NPK selection guide.
Quality in strawberry rests on low EC, balanced nitrogen, continuous potassium through the long harvest, and calcium management for fruit firmness.
For a strawberry program tailored to your field and variety, contact us; share your soil analysis and we will build the plan together.
