当土壤相对含水量低于75 %，光合非气孔限制因素开始出现。
When relative soil water is below 75%, the cause of photosynthesis rate drop is non-stomatal limitation.
两种隔盐处理均可降低非气孔因素对光合的限制。
Both of the two measures reduced the limitation of photosynthesis by non stomatal factors.
两种隔盐处理均可降低非气孔因素对光合的限制。
Both of the two measures reduced the limitation of photosynthesis by non stomatal factors.
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