First, manual pre-cooling When the night temperature drops to 7 Â°C, the shed will be covered with insulation at the same time, open the tuyere at night, let the cold air enter, close the tuyere during the day, while covering the insulation to keep the temperature low, so keep 30-40 days , Can make fruit trees through the dormancy period as soon as possible. Second, the chemical lift dormancy This method is only used in greenhouse vines. Take 1 kilogram of lime, add 5 kilograms of water at 40Â°C-50Â°C, stir it enough to make it a paste, then apply it to the eyes of the grapes with a cotton swab, etc., to make it sprout in advance.
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