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今年柑橘虽未遭受去年那样的雪灾,但元月中下旬以来多次受寒流袭击,极端气温达到零下4度左右,雪后和连续的霜冻天气,极有可能引发树脂病和炭疽病的流行,采取什么
This year, although the citrus did not suffer the snowstorm last year, it has been attacked by the cold since mid-to-late January. The extreme temperature reached minus 4 degrees. After the snow and the continuous frost weather, it is highly likely to cause the spread of resin disease and anthrax. What to take