The continuous flowering of the strawberry results in more flowering, more fruitful results, longer flowering results, and more consumption of phosphorus and potassium fertilizers. When phosphorus deficiency and potassium are absent during the flowering period, the cold resistance will be reduced, the flowers will be less, the flower buds will be weak, and the flowering results will be affected. Not only the fruit setting rate is low, the fruit is apt to be deformed, and the coloring is not good, the sugar content is reduced, the taste is light, the perishable is deteriorated, and the product is not resistant to storage and preservation. Therefore, during the flowering period of strawberry, it is necessary to pay attention to the application of phosphorus and potassium fertilizers to prevent phosphorus deficiency and potassium deficiency in strawberry plants. Specific fertilization methods are as follows:
During the fruiting period of strawberry, a single application of P and K must be applied every 15-20 days, 40-50 kg of KH2PO4 per mu, or 70-80 kg of cooked beef bone powder or pork bone powder, against fresh water. Diluted 80-100 times, evenly applied in the soil around the roots of strawberry plants. In addition, we should spray 800-fold aqueous solution of phosphorus-potassium pentoxide No. 1, or 25-30 times of superphosphate and clean and pure ash leaching liquid every 7-10 days to evenly wet all leaves, buds, flowers and fruits. It is advisable to drop drops of water from the beginning and supplement the phosphorus and potassium fertilizers from the leaves to quickly increase the phosphorus and potassium levels of the strawberry plants.
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