The photosynthetic rate of Ya pear leaves on different branches and location was tested using improved half leaf method at different developing stages.
用改进半叶法测定鸭梨不同部位叶片和不同枝类叶片不同时期的光合速率。
The photosynthetic rate of Ya pear leaves on different branches and location was tested using improved half leaf method at different developing stages.
用改进半叶法测定鸭梨不同部位叶片和不同枝类叶片不同时期的光合速率。
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