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１９９５年１２月２０日和１９９６年２月２０日分两次在赣州地区柑桔研究所１４年生宫川温州蜜柑园中选１５株树，每株树造长势相近、长度基本一致的秋梢母枝５０枝进行短截，短截程度为秋梢长度的１／５、２／５、３／５、４／５等４个处理，每个处理３株树。另外３株树各选
On December 20, 1995 and February 20, 1996, fifteen trees were selected from the 14-year-old Gongtuan Wenzhou Citrus Orchard in the Ganzhou Citrus Institute twice in a row. Each tree had the same shoot length and root length 50 branches for short cut, the degree of short cut is 1/5, 2/5, 3/5, 4/5 for the length of the shoot, and 4 treatments, each dealing with 3 trees. The other three trees each election