多年的研究证明，提高光合效率是提高大豆产量的重要途径。

Studies for many years have indicated that the seed yield of Glycine max L.

youdao

多年的研究证明，提高光合效率是提高大豆产量的重要途径。

Studies for many years have indicated that the seed yield of Glycine max L.

youdao