The management of lychee after fruit picking is the key to cultivating the best results in the coming year. Autumn is the main result of litchi, but not all autumn shoots can be a good result. Only in the winter before the advent of fully matured green, leafy, long branches, stout, no harm to the pests of the fall, the second year can be a flower seat fruit. At present, southern litchi has begun to mature on the market. Therefore, after the fruit is harvested in Litchi, we must seize the time and take the following effective measures to cultivate the mother tree with good results.
(1) Clear Garden: Clean gardens shall be cleared in time within 10 days after the fruit is harvested in Litchi. The weeds, litter and fallen fruit in the orchard will be completely removed, and they shall be thoroughly buried or burned out of the park.
(2) Fertilization: Fertilizer shall be applied in a timely manner after clearing the garden. Each plant should be given 1 kilogram of nitrogen and potassium fertilizer. After the rain, it should be applied or sprinkled with water to restore the tree vigor and promptly send autumn shoots. When the autumn shoots were just planted, the second fertilizer was applied to strengthen the autumn shoots. Apply 1.5-20 kg of nitrogen, phosphorus, and potassium fertilizers per plant, or 15-20 kg of mature organic fertilizers, dig under radial canals under the canopy, dig 4-6 trenches, and increase the length of the trench by 1 meter. 30-40 cm wide, 15-20 cm deep, covered with soil.
(3) Pruning: Litchi should be pruned promptly after fruit picking. The pruning should be based on thinning, cutting the shade inside the canopy, and then cutting off the external pests, stems, branches, and branches. Damaged shoots and short cuts and fruit drop branches.
(4) Top-dressing after root extraction: After fruit is harvested from Litchi, it must be sprayed with 0.1% magnesium sulfate, 0.3% urea, 0.4% potassium dihydrogen phosphate, 0.5-1PPM once every 10 days. Octane alcohol mixture, or foliar treasure or spray 10000 times liquid and so on. Spray 3-5 times in order to increase the nutritional level of the leaves and promote strong autumn shoots. (5) Covering the tree tray: After the fruit is harvested in Litchi, 150-200 kg of Shitang mud, waste fertilizer or other earth-fertilizer is planted in each tree to cover the exposed root groups. At the same time, the grass is covered with grass, and the grass thickness is about 10 centimeters, which keeps the soil of the tree tray moist.
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