世界上各大品牌的光合仪均采用红外线气体分析仪检测二氧化碳的吸收速率以测定光合速率。

1、稳定性

2、环境因子的精确控制能力（光、温、水、气）

3、便携性

4、续航能力

5、高水平文献引用情况

6、测得数据的可靠性

7、售后服务水平

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W Tezara, VJ Mitchell, SD Driscoll, DW Lawlor .Water stress inhibits plant photosynthesis by decreasing coupling factor and ATP.Nature. 01/1999

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