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对云南思茅、保山、德宏、西双版纳4个地区的调查结果，小粒种咖啡在海拔900m以下的植株生长量和第3年的产量大于海拔1 100、1 300m植区的生长量和产量，但随海拔升高咖啡干豆千粒种增加，大象豆减少；随海拔升高，咖啡的果酸度增加，杯品品质提高。
According to the survey results of 4 areas in Simao, Baoshan, Dehong and Xishuangbanna in Yunnan, the growth of small-grain coffee under the altitude of 900m and the output of the third year are larger than the growth and yield of the plantation at the altitude of 1 100 and 1 300m With the elevation of dried beans increased 1000 grain, elephant beans reduced; with the elevation of coffee acidity increased cup quality improved.