The watering of the fruit trees is very stressful. The spring watering is good, the summer watering is small, and the autumn bogey is full. As far as apple trees are watered in spring, there are two periods to ensure the supply of water.
One is before budding. Less rainfall during this period, should be combined with fertilization to water, one can promote the absorption of fertilizer, two can promote fruit bud, flowering and results, three can reduce the harm of light and late frost.
The second is the long-term new speed. This period is the critical period of water demand. In actual production, whether or not fruit trees need to be watered depends mainly on soil moisture and drought conditions. According to the research, the field water holding capacity of fruit trees is 60% to 80%, and the intuitive criterion is that the soil with a depth of 20 cm can be held in groups and scattered. Maintaining such humidity indicates that the soil is still in good condition and watering is not necessary, otherwise watering will be required. Watering should be able to grasp the depth of water penetration into the soil 30 to 50 cm deep, avoid flood irrigation, to prevent causing new shoots long, affecting flower bud differentiation.
One is before budding. Less rainfall during this period, should be combined with fertilization to water, one can promote the absorption of fertilizer, two can promote fruit bud, flowering and results, three can reduce the harm of light and late frost.
The second is the long-term new speed. This period is the critical period of water demand. In actual production, whether or not fruit trees need to be watered depends mainly on soil moisture and drought conditions. According to the research, the field water holding capacity of fruit trees is 60% to 80%, and the intuitive criterion is that the soil with a depth of 20 cm can be held in groups and scattered. Maintaining such humidity indicates that the soil is still in good condition and watering is not necessary, otherwise watering will be required. Watering should be able to grasp the depth of water penetration into the soil 30 to 50 cm deep, avoid flood irrigation, to prevent causing new shoots long, affecting flower bud differentiation.
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