Answer: Watering in the flowering period will cause a large number of falling flowers. Even in severe cases, the whole tree will fall. This is because after a sudden large amount of irrigation, the soil temperature will also be drastically reduced, and the root system will reduce the vitality, which will greatly reduce the water absorption and permeability, so that the resistance of the water through the root cells increases, resulting in more water shortage of the tree. Aggravate the lack of water in the flowers, causing a large number of buds and falling flowers. After 3 to 5 days, the root system slowly increases with the soil temperature, and its activity and absorption capacity not only recover quickly, but also increases rapidly. Sufficient water supply to the flowers can not tolerate the flowers, which can also lead to the emergence of a large number of pedicels that are separated from the layer. Fall or fall small fruit. To avoid the occurrence of a large number of buds, flowers, and fruit falling during flowering, the most effective measure is to timely irrigate the water before flowering and apply fertilizer before flowering. Spray 300-350 times more borax and honey (or brown sugar) water at full bloom. No watering and top dressing during flowering, nor spraying pesticides. In this way, the fruit trees will not cause a large number of falls because of the “tough water shortage†in the previous period and “excessive water†in the later period, which can effectively reduce the physiological fruit drop.
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