In summer, it is the high temperature of rainy water. The infection of diseases will be severe under such circumstances. How do you manage pear trees in the rainy and hot weather?

Underground management

Drainage and flood control: When the park is built, it is necessary to preset the drainage ditch according to the local topography, etc. In the plain area, the open channel drainage is generally adopted, and the mountain area can be drained by the contour line. If there are no drainage channels and there is a lot of rainfall and water has accumulated in the pear orchards, ditches should be dug immediately to drain the accumulated water.

The cultivator loose soil: The cultivator is an effective way to reduce the soil moisture content, so the cultivator should be used after the heavy rain in order to achieve the purpose of drying, loosening the soil and promoting root absorption. The cultivating depth should be 20 cm, and the number of cultivating depends on the soil and precipitation of the pear orchard. Generally, the pear orchard of sandy loam soil can be used 2 to 3 times. The pear orchard with heavy soil quality can increase the number of cultivating.

Timely topdressing: Appropriate NPK supplements such as NPK fertilizers are beneficial to tree growth and fruit development in the rainy season, and have an accelerating effect on improving fruit quality and flower bud differentiation. However, if topdressing is too much (especially available nitrogen fertilizer), it will cause new shoots to grow long, leading to canopy closure, fruit flavor fade and other issues. The commonly used method is to chase urea and other quick-acting fertilizers in the ground, using multiple acupoints; or in combination with spraying the leaves to spray fertilizer, 0.3% urea or 0.3% potassium dihydrogen phosphate can be selected.

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