The autumn management referred to in this article generally refers to the period from the beginning of autumn to the fall of grape deciduous. At this time, many varieties of mid-early maturity have been harvested. During this period of time, rainfall in most areas has also been greatly reduced, and many farmers have relaxed their management of vineyards to varying degrees. This is a misunderstanding in understanding and management. The management of this stage directly affects the tree potential and output of the coming year. Pay attention to four things.
1, Qingyuan: Grapes in the summer, the most susceptible to disease, residual bacteria, endless troubles. Qingyuan can reduce the bacterial index. The diseased ears, diseased fruits, diseased branches, diseased leaves and weeds in the garden should be removed from the garden, transported outside the park, burned or buried. There are white rot and vine disease on individual plants. This disease occurs mostly at the base of the new shoot, but the upper part of the new shoot is still growing. It should also be cut off from the base and cleared out of the garden. Don't be afraid of these few kinds of strips and leave the source of the disease.
2, disease prevention: During this time, the climate is more autumn and high, and the probability of grape disease is much lower than that in summer. But sometimes it is still hot and humid, downy mildew, black pox, etc. will still occur in a large area, should not be taken lightly, should be based on prevention. After the clearing of the garden, spray a broad-spectrum bactericidal drug first, after 7-10 days, spray a 180-fold Bordeaux mixture. After the treatment according to the above method, as the weather becomes cooler, it will generally not cause disease in a large area. However, it should be observed from time to time, and the initial onset of the disease is immediately treated with symptomatic medication. Prevention and treatment of diseases can save the leaves, promote the maturity of the branches, and differentiate the flower buds. This is a key link for the high yield in the coming year.
3. Fertilization: Contains two contents: top dressing and base fertilizer. In August and September, 25 kilograms of three-element compound fertilizer will be applied to the tree. Base fertilizer can be applied in September. On the side of the grape line, the width is 30 cm and the depth is 60 cm. The mu is applied to 4000-5000 kg of farmyard manure such as pigs, cattle, rabbits and chicken manure, and 100 kg of calcium fertilizer is applied. Water is applied after fertilization.
4, Bao Wei: Grapes are very resistant to drought. During this period, if the weather is not very dry, no watering is required. Only the ground tillage can be guaranteed. If it is very dry, water it again. After the surface soil is loose, the cultivator is kept in the field. In some areas, heavy rain will still occur. Pay attention to the drainage. After the surface soil is loose, it should also be cultivated and protected.
According to the above four methods of management, before the fall winter grape leaves, the whole park is strong and leafy. No matter what the output this year, next year will be a harvest garden.
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