The soil temperature gradually rises in spring, and the roots of pear trees begin to move. Please pay attention to the following management suggestions.
Tree management When flower buds swell and can be accurately identified, re-cutting should be carried out immediately. The long-year tree has a large amount of flowers. When re-cutting, part of the medium and long fruit branches can be lightly shortened or the top flower buds can be replaced with flowers. The blooming branches shrink moderately according to their bearing capacity, and generally leave 2 to 4 flower buds. For small-year trees, some medium-long branches that have no flowers are cut to medium and short lengths to promote the growth of branches and prevent them from blooming in the same year, so as to adjust the yield and overcome the large and small years. Before and after budding in spring.
Generally, saplings start to pull branches in the second year, the angle of the main branch is 60 to 70 degrees, and the angle of the auxiliary branch is 70 to 90 degrees. At the initial fruiting stage, you should pay attention to opening the waist and tip angles of the main branches, flattening or slightly drooping the branches of the vigorous uniaxial extension, so that the branches are arranged reasonably to improve the ventilation and light conditions.
Soil, fertilizer and water management and top dressing should be carried out as early as possible after soil thawing and before germination. The top dressing method should be applied at multiple points to avoid root damage as much as possible. If there are irrigation conditions, the orchard should repair the channels and irrigate in time after top-dressing. Generally, the amount of spring rainfall is relatively small, and water is still necessary after the rain. After irrigation, the garden soil is shallowly ploughed or hoeed to loosen the soil. The depth of loosening is 5-10 cm near the trunk of the tree, and then the soil is raked to help preserve moisture.
For pest control, the whole garden will spray a Baume 3~5 degree lime sulfur mixture, or 37% difenoconazole water dispersible granules 12000 times liquid + 5% lambda-cyhalothrin microemulsion 8000 times liquid, mainly Kills pests and diseases that are overwintering.
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