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Figure 2

From: Arbuscular mycorrhizal fungi (AMF) enhanced the growth, yield, fiber quality and phosphorus regulation in upland cotton (Gossypium hirsutum L.)

Figure 2

Net photosynthetic rate (Pn) of upland cotton (Lumian No. 1) seedlings. The means ± standard error values are shown in the figure. Bars labeled with a different letter at the top of each parameter show a significant difference at P < 0.05 by statistical analysis of a single-factor experiment. The values were measured by CIRAS-II,UK portable photosynthesis measurement system. The unit of Net photosynthetic rate is μmol m−2 s−1.

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