Strawberry is a perennial herbaceous plant that requires nitrogen, phosphorus, potassium, boron, magnesium, zinc, iron, calcium and other trace elements. The characteristics of fertilizer required in different growth stages are not good. Phosphorus is needed in the early stage, and a large amount of nitrogen is needed in the early and middle stages. Potassium is needed in the whole growth period.
Fertilization Technology:
The total fertilization amount of strawberry in the whole growth period is 3000-3500 kg of organic fertilizer (or 450-500 kg of commercial organic fertilizer), 14-16 kg of nitrogen fertilizer, 6-8 kg of phosphate fertilizer, and 8-10 kg of potassium fertilizer. Organic fertilizer is used as base fertilizer, nitrogen and potassium base fertilizer and secondary topdressing. The ratio of fertilization is 3:3:4, phosphate fertilizer is used as base fertilizer, and fertilizer and farmyard manure (or commercial organic fertilizer) are mixed.
The base fertilizer is mainly organic fertilizer, with appropriate quantitative fertilizer. Generally, the farmer's fertilizer is 3000-3500 kg or commercial organic fertilizer 450-500 kg, urea 5-6 kg, diammonium phosphate 15-20 kg, and potassium sulfate 5-6 kg.
Topdressing is generally divided into two times, topdressing in flowering stage, 9-10 kg of urea applied, 4-6 kg of potassium sulfate; topdressing in berry expansion period, 11-13 kg of urea and 7-8 kg of potassium sulfate.
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