So how do you manage the orchard after the wind and heavy rain? After the gusts of wind and heavy rain, it will definitely cause some damage to the orchard. The farmers and farmers must do these things.
1. First of all, we must do a good job in the prevention and control of pests and diseases, focusing on the prevention and control of anthrax leaf blight and brown spot disease, while preventing bitter pox caused by calcium deficiency in fruit trees, bagging causing red spot disease, and red spider, aphid, leaf roller moth, Pests such as leaf miner and thorn moth. After the rain, go to the orchard for inspection and spray the orchard in time. The recommendations for the control of anthracnose leaf blight are as follows: for farmers to refer to:
1 Formulation: You can use protective fungicide 50% Isocarbazide 1000 times solution, plus systemic fungicides, 800-1000 times of Japanese friends, or 25% of bromine bacteria 800-1200 times.
2 For the heavier orchard, 60% dichloroisocyanurate can be used to spray the ground before application, reduce the source of the bacteria in the field, reduce the infection, and lay a good foundation for prevention and control.
Note: Due to the rapid infection, the sporulation and the rapid onset of anthrax leaf blight, the interval between application should be shortened to 4 to 5 days, and the drug should be used continuously for 2 to 3 times. Note that the drug should be rotated; It is necessary to pay attention to increase the degree of atomization of the drug, improve the quality of the spray, and make the branches and leaves use the medicine evenly, and also apply the medicine to the ground.
2. Timely drainage. When there is water in the garden, the fruit trees are soaked for a long time, which will cause the roots to die in large numbers due to lack of oxygen. Therefore, it is necessary to pay attention to the timely drainage, when the soil is slightly dry, turn over the ground to improve soil permeability.
3. Check the fruit bag. Check whether the mouth of the fruit bag is firm, discharge the water in the fruit bag in time, properly expand the venting port, and prevent high temperature and high humidity from burning the apple and other diseases.
4. Cut grass at the right time. Weeds in the rain after the rain will inevitably grow fast, and cut grass according to the height of the grass. Avoiding excessive weeds leads to poor ventilation of the orchard, which in turn increases the spread and infestation of the disease.
5, topdressing. Orchards that are not insufficiently fertilized in the early stage can use this rainfall to carry out topdressing. The top dressing should strictly control the amount of nitrogen fertilizer, mainly based on high-potassium fertilizer, combined with medium and trace element fertilizer.
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