1. After the control of dendritic fruit harvest, the continuous growth of the grape dendron will consume nutrients of the tree body. In addition to taking measures such as topping the heart and removing the shoots to control the growth of the dendrite, it can also spray 0.05% of the long-term solution to suppress its growth and reduce nutrients. The consumption.
2. After increasing the fertilizing material, the grape tree body consumes a lot of nutrients in the body. After the fruit is harvested, the foliar fertilizer should be sprayed in time to restore the tree vigor and enhance the photosynthesis ability of the leaf. Spray 0.2% urea and 0.2% once every 10 days. % dipotassium phosphate mixture, sprayed 2-3 times. In addition, it is also necessary to apply basal fertilizer in autumn, use 2000 tons of organic fertilizer, soil fertilizer, compost and other organic fertilizers per acre, and add 20 kg of superphosphate to mix it and then apply it into the trenches.
3, prevention and treatment of diseased grape leaves susceptible to downy mildew, powdery mildew, white rot, brown spot and other diseases, such as the prevention and treatment of ineffective prevention, it will premature withered off, affecting the accumulation of nutrients. Therefore, after the grapes are harvested, they must continue to do a good job of preventing and treating these diseases. 200 times the half Bordeaux mixture, 50% Ketode WP 500 times, 65% Zedexite WP 500 times, 70% thiophanatezine WP 1000 times, 40% Ling wettable powder 1000 times alternately spray, every 10-15 days spray once.
4. The cultivating soil in the cultivating ripper is overgrown with weeds in autumn, and the soil has poor air permeability. Therefore, timely cultivating and weeding after fruit-picking and deep-turning are beneficial to the loose and permeable soil in the garden and water and fertilizer, and promote the growth of new shoots. .
5. After clearing the deciduous garden grape, it should be combined with the winter pruning to clear the garden. The litter should be completely removed and brought out of the park for centralized destruction or deep burial to reduce the source of the disease.
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