How do summer pears manage high yields?

I. Fertilizer and Water Management

1. Fertilizer and water management. From late May to early June, before pear tree flower bud differentiation, a special fertilizer for fruit trees mainly containing phosphorus and potassium and supplemented by nitrogen was applied once. According to the age and the number of fruits, the plant was applied with 1-1.5 kg. Water immediately. Combined with spraying, spray 0.3% amino acid compound fertilizer on the tree. In July, immediately after the early-maturing varieties were harvested, a quick-acting nitrogen fertilizer was applied to supplement the nutrient deficiency caused by the results. For middle-late maturing varieties, phosphorus and potassium fertilizers must be applied again at this time. In August, fertilization is generally no longer applied, and only after the fruit is harvested, a quick-acting nitrogen fertilizer is applied again. Note that after fertilization, water should be properly irrigated according to soil moisture.

2. Soil management. Summer temperatures are high, soil moisture is high, and weeds are easy to grow. Usually after the heavy rain or irrigation, the soil should be loosened in time. Conditional orchards can be covered with orchards. That is, after wheat is harvested, cover the tree rows or in-row trays with wheatgrass, covering 1000-1500 kilograms per acre with a thickness of 20 cm. Pay attention to soil compaction after grass covering to prevent fire.

Control Root Rot

Use fungicides and roots to irrigate roots, and to irrigate or ditch the soil under the canopy. Re-irrigating once half a month can also prevent yellowing, scorching, and leaflet caused by root rot.

Control the new growth

In the middle and late July, when the fruit tree is very long, you can use a blunt blade to cut a cut of about 1-2 mm in width on the smooth part of the trunk (tender skin), reaching as deep as the xylem. Just make the medicine fully enter the slit gap. Use the same method twice in another position at intervals of 20-30 days.

Fourth, trim the tree

On the back, the strong branches twisted, the overdense branches were thinned out, and the temporary long branches were softened. New pear branches are relatively brittle, and they should be prevented from breaking during handling. The branches should be softened to make the sound more continuous, and the angle should be flattened as much as possible. Appropriately dredge competitive branches, partially overly dense branches, and ventilate and transmit light; turn 1 to 2 years old upright branches from the base to flatten the growth potential and promote flower bud formation. Do not twist the xylem from the bast. Grape side shoots topping, remove the side shoots below the ears, leave 1 to 2 leaves above the ears repeatedly topping, leave 1 to 2 side shoots on the top of the branch, and leave 3 to 6 leaves topping each time; bind the new vines in time Evenly distributed on the shelf; remove tendrils in time to save nutrients. As a result, pay attention to the top branches and hanging branches of trees or branches to prevent the skeleton branches from being crushed. The wound caused by trimming should be applied with a callus anticorrosive film in time to protect the growth of wound healing tissues and prevent infection of the bacteria from the wound.

Fifth, prevent falling fruit

Before flowering, young fruit stage and swelling stage are sprayed once each, which can activate the positive energy of plant ecological growth, widen the plant duct path, increase the strength of water absorption and fertilizer absorption, increase the fruit yield and quality, reduce the fruit drop rate, reduce Incidence of cracked fruit, dead fruit, deformed fruit.

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