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我场曾于1985年2月,对110株柳橙、300多株温州蜜柑进行了主枝更新。方法是在距地面1—1.5
My field was in February 1985, the 110 oranges, more than 300 strains of Wenzhou Satsuma main branch update. The method is 1-1.5 from the ground