The watering time of apple trees should be determined according to rainfall, soil water shortage and the law of water demand of fruit trees. It is necessary to master the principle of “follow the drought and pourâ€, so that pouring, platooning, preservation, and saving water are both important and flexible. The following periods:
1. Watering in the bud stage: This stage of watering is conducive to the growth of new shoots, is conducive to flowering, fruit setting, and can also reduce the hazard of late frost.
2. Flowering period: Watering at this stage can significantly increase the fruit setting rate, promote the growth of branches and leaves and young fruit development.
3. New tip speed: This period is the “critical period of water demandâ€, be sure to water at the right time, but not too much water, otherwise it will cause prosperous and unfavorable flower bud formation.
4. Fruit enlargement period: This period should grasp the principle of no drought or not pouring. In particular, 30 to 50 days before the fruit is harvested, no more watering is required, which is beneficial to the improvement of fruit quality.
5. Watering later. This period of watering can be combined with autumn base fertilizer.
6. The frozen soil is frozen before the soil freezes, which will help the fruit trees safely pass winter.
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