用同一品种在不同生育期，不同季节、不同天气以及不同生长条件下研究了大豆的光合日变化。
The diurnal course of photosynthesis of soybean leaves in different development stages, seasons and under different weather and growing conditions were studied.
用同一品种在不同生育期，不同季节、不同天气以及不同生长条件下研究了大豆的光合日变化。
The diurnal course of photosynthesis of soybean leaves in different development stages, seasons and under different weather and growing conditions were studied.
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