canopy functional leaves 冠部功能叶
lifespan of functional leaves 功能叶寿命
The highest decreasing magnitudes of PGR4 were in functional leaves, however PGR1 in stems.
功能叶中以PGR4处理减少幅度最大，茎杆中以PGR1处理减少幅度最大。
Photosynthetic rates of the functional leaves at different stages in CRNF treatment were significantly higher than those in urea treatment.
不同时期控释氮肥处理功能叶的净光合速率也均显著地高于尿素处理。
High crop yield not only requires functional leaves with strong photosynthetic capability, but also requires photosynthate is transported and distributed effectively.
作物高产不仅要求功能叶有较强的光合能力，而且还要求叶片中的光合产物有效地运输分配。
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