龙眼树体营养分的积累状况是主要因素，相对的自然条件影响是第二因素。
The result shows that the accumulation of nutrients in the growing tree of longan is the main factor affecting continuous fruiting of longan.
龙眼树体营养分的积累状况是主要因素，相对的自然条件影响是第二因素。
The result shows that the accumulation of nutrients in the growing tree of longan is the main factor affecting continuous fruiting of longan.
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