Winter irrigation time: After the fruit is harvested and before the soil is frozen, it is the best time when the average ground temperature is 5°C and the temperature is 3°C within a 5cm soil layer. Irrigation: It is advisable to fully infiltrate the ground on the day after irrigation. The water seeps into the root distribution layer, ie, the young trees penetrate to 20 cm to 60 cm, the adult trees seep to 70 cm to 100 cm, and the soil moisture maintains 60% to 80% of the large water holding capacity in the field. Irrigation methods: In orchards with adequate water sources and well-watering equipment, it is possible to use irrigation or ring-shaped furrow irrigation methods; in orchards with poor water sources and poor conditions, it is possible to raise the turbulent soil around the canopy and re-irrigation; the orchard with drip irrigation and sprinkler irrigation conditions The use of drip irrigation and sprinkler irrigation is good.
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