Measure 1: Continue to prevent early defoliation The orchard that has been harvested and the orchard to be harvested after half a month, spray a fungicide, do not add insecticide. The drug is selected to have a low drug content and low residual product, such as 8% of Guoyoubao 400 times, or tebuconazole 5000 times. Measure 2: Autumn pruning, thinning and grace From the beginning of August to the end of September, when the new shoots have been lignified, it is necessary to extend the erect new shoots of the 3 to 5 germinations in the lower part of the head. The strong branches, dense branches and peripheral branches on the back of the main branch are removed. In the middle and late September, some branches of the tree will help stabilize the tree and reduce the workload next year. Measure 3: Grasp the fruit removal time The fruit is required to grow in the bag for about 100 to 120 days. The double-layered red fruit bag is best divided into two bags. The fruit in the high altitude area is fast-colored, and the bag can be removed 10 to 15 days before the normal fruit picking. The fruit in the low-altitude area is slow to be colored. The bag can be removed 15 to 20 days before the normal fruit picking. The bag is removed first, and within 3 to 5 days. Remove the inner bag. Measure 4: timely spraying drugs to prevent calcium After peeling off the apple skin is delicate, it is easy to infect red dot disease, combined with calcium deficiency, it is prone to calcium deficiency and other diseases, and small cracks appear on the fruit surface. Therefore, after removing the bag, spray 1-2 times of bactericide and calcium supplement, the bactericide can choose 600-700 times of Bensen zinc or 400 times of Guoyoubao, and the calcium fertilizer can use 1000 times of micro-covering force. Measure 5: Reflective film under the tree At the end of September or early October, after the bag is removed from the bag, the apple is placed under the tree along the direction of the silver reflective film, which is conducive to the coloration of the inner and lower parts of the canopy. When the paving, the weeds under the tree are removed, the land is leveled, the hard materials are cleaned, the membrane is straightened and the edges are compacted. After the paving, the membrane surface is often cleaned, kept clean, and the reflective effect is increased. The film is taken 1 to 2 days before harvesting, cleaned and dried, and then used for later use. Measure 6: Pay attention to base fertilizer The fertilization time is from September to October; the fertilizer type is mainly organic fertilizer, the application of bio-organic fertilizer, the appropriate application of chemical fertilizer, supplement micro-fertilizer; the fertilization method is ditch application or acupoint application; the fertilization site is on the inner side of the outer edge of the canopy; the depth of fertilization 20 to 30 cm (the root is concentrated in the layer). After the fruit is harvested, the fertilizers with the same quantity and quality are applied to the fruit trees. In autumn, the application of spring and winter can increase the fruit setting rate by 8-10%, and increase the yield by 10-15%. The effect of increasing yield is very obvious. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Our home safebox is made of alloy steel, using German laser micro-slit cutting technology, the door crack is controlled within 0.5mm, safe without prying point, beautiful and safe in one. After seven layers of environmental protection spraying: precision grinding - internal primer - rust-proof zinc layer - encryption steel plate - rust-proof zinc layer - external primer - high-gloss spraying, to ensure the use of healthy, lasting color beautiful,
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Six measures for attention management of mature apples during maturity
From September to October, it is the harvest period of late-ripening apples. In order to help the fruit farmers to do a good job in the management of late-maturing apple fields, the reporter interviewed Li Bingzhi, a professor at the College of Horticulture of Northwest A&F University, to give him some suggestions on the management of late-maturing apples. Professor Li said that this year's apple-producing areas in the Loess Plateau suffered severe frosting during flowering, and this year's summer is rainy. At present, the early deciduous diseases in orchards are particularly serious. Strengthening autumn management is especially important for mid-late ripe apples. In this regard, Professor Li suggested that the fruit farmers do seven measures.