Last year's special weather, after a few months of high temperatures, the accumulation of nutrients in various fruit trees was not enough, the results of a large number of trees and tree vigor is not strong enough resistance to cold damage, therefore, this year, the restoration of tree vigor after fruit trees is particularly important, should take the following Measures:
Prepare cold weather in advance and pay close attention to the weather forecast. In case of weather below 4°C for three days in a row, mature varieties and fruits with heavy fruiting and weak tree vigor should be prepared ahead of time. To improve the cold-resistance capacity, one can use 1000 times more of Jing Duan and 800 to 1000 times of Le Kang to spray 1 or 2 times before the onset of chilling injury, with an interval of 10 to 15 days.
Loose soil moisture topdressing, before the onset of cold damage and when the weather rises, the tree plate shallow loose soil, chase application of quick-impact fertilizer, improve tree resistance, enhance the cold resistance of fruit trees. Ditches are cleared in time to prevent clear water from injuring the roots and causing cold resistance to decrease.
The tree tray covers, raises the soil temperature, conditionally covers the canopy film to prevent re-freezing. After encountering frost-reducing weather after cold damage, it can be smoked in the orchard to reduce radiation cooling and reduce frost damage.
For wintering varieties of fruit trees, timely spraying of disease-resistant cold-resistant drugs, can choose 2,4-D1 grams of water 150 kg + 800-1000 times higher than the bracket care + Jing Duan 1000 times + potassium high foliar fertilizer , Continuous spray 2 times, interval 10 to 15 days.
In case of serious cold damage, the tree with litter should be trimmed and pruned should be grasped to a healthy part.
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