76．净光合速率(net photosynthetic rate，Pn)或称表观光合速率(apparent photosynthetic rate)，指实际所测到的光合速率，它等于总光合速率或真光合速率减去光、暗呼吸速率。
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The effects of wiping out roots on rice canopy apparent photosynthetic rate (CAP) after heading were studied with solution experiments.
利用水培试验，研究了剪根等处理后水稻群体光合速率的动态变化。
The higher grain yield in mutated strains was mainly due to increasing the net photosynthetic rate and apparent quantum yield considerably at the stage from booting to filling.
孕穗-灌浆期的净光合速率和表观量子效率的急剧增加可能成为突变株系增产的主要原因。
The inhabited degree of net photosynthetic rate and apparent quantum efficiency by UV B radiation were positively correlative to leaf position.
UV B辐射后，黄瓜叶片的光呼吸显著提高，增幅与叶片发育阶段有关。
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