1. Moisture: Strawberries like shade and shallow roots, so watering and irrigation should focus on small water to keep the soil moist. Strawberry enters fruit maturity, and proper water control is beneficial to strawberry nutrition accumulation and increase strawberry sugar content. When the weather is dry, the fruit should be irrigated with small water in the evening after harvest every time, so as to avoid flooding and easily lead to large-scale rotten fruit of strawberry infectious diseases.

2. Fertilizers and strawberries react strongly to fertilizers, and improper fertilization is easy to cause fertilizer damage. Strawberries should not be applied with ammonium carbonate, ammonium sulfate and other ammonium fertilizers, mainly urea, compound fertilizer and decomposed farmyard manure. In order to ensure the quality of strawberries, organic fertilizer can be applied appropriately.

Only 6 kg urea, compound fertilizer 15 kg and farmyard manure 1000 kg can be used for strawberry fertilization. Strawberries can better absorb nutrients under the conditions of irrigation and watering and fertilization.

The management of water and fertilizer in greenhouse and other protected areas is basically the same as that in the open field, but under the condition of micro-irrigation fertilization, the proportion and dosage of base fertilizer can be reduced appropriately, and 40% base fertilizer and 60% topdressing are generally suitable.

It is suggested that urea 9~ 10 kg, potassium sulfate 4~8 kg and high nitrogen and potassium compound fertilizer 15~20 kg with the total nutrient content of nitrogen, phosphorus and potassium not less than 45% should be applied to strawberry in the open field. During the fruit expansion period, apply urea11~13kg, potassium sulfate 7 ~10kg, or 20 ~ 25kg of high nitrogen and potassium compound fertilizer with total nutrient content not less than 45% per mu.

It is necessary to focus on the flowering period and fruit expansion period and apply it many times. Potassium sulfate compound fertilizer was used as the main fertilizer, and high nitrogen and potassium ternary compound fertilizer 15~20kg was applied every time, and topdressing was stopped 15 ~ 20 days before seedling pulling.

Topdressing outside roots can be carried out in bud stage, flowering stage and flower bud differentiation stage, which can not only prevent element deficiency, but also improve the photosynthetic intensity of strawberry leaves, promote root development, increase fruit yield, improve fruit quality, make fruit taste more delicious and commodity prices higher.

0.3% ~ 0.5% urea solution, 0.3% ~ 0.5% potassium dihydrogen phosphate solution, 0. 1% ~ 0.3% boric acid solution, 0.2% calcium sulfate and 0.05% manganese sulfate (volume 1: 1) in the middle and late stage.

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