The absorption of potassium and nitrogen is particularly strong in strawberry during its lifetime. The absorption of potassium during the harvest period exceeds the absorption of nitrogen. For phosphorus absorption, the entire growth process is weak.
The role of phosphorus is to promote the development of the root system, thereby increasing the yield of strawberries. Excess phosphorus will reduce the gloss of strawberries. In terms of improving the quality of strawberries, topdressing with potash and nitrogen fertilizers is more effective than topdressing phosphate fertilizers. Therefore, topdressing should be dominated by nitrogen and potassium fertilizers, and phosphate fertilizers should be used as base fertilizers.
Strawberries are not fat tolerant and are prone to salt concentration problems. Chunxiang and Baojia Zaosheng and other varieties are particularly sensitive to fast-acting fertilizers. Therefore, it is very dangerous to use more available fertilizers in basal fertilizers. In addition, in the promotion of cultivation, excessive application of basal fertilizer may delay the differentiation of lateral flower buds, and even the phenomenon that the lateral flower buds cannot differentiate and give rise to a large number of branches.
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