The result showed that the co 2 flux and co 2 concentration gradient as well as the water use efficiency of the summer corn community had distinct daily and seasonal change patterns.
结果表明，夏玉米群体二氧化碳通量、二氧化碳浓度差及群体水分利用率存在明显的日、季节变化规律。
The result showed that the co 2 flux and co 2 concentration gradient as well as the water use efficiency of the summer corn community had distinct daily and seasonal change patterns.
结果表明，夏玉米群体二氧化碳通量、二氧化碳浓度差及群体水分利用率存在明显的日、季节变化规律。
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