膜下滴灌对棉花生育后期叶片与苞叶光合特性的影响
张超, 占东霞, 张亚黎, 罗宏海, 勾玲, 张旺锋*

Effects of Drip Irrigation on Photosynthetic Characteristics of Leaves and Bracts in Cotton at Late Growth Stage
ZHANG Chao, ZHAN Dong-Xia, ZHANG Ya-Li, LUO Hong-Hai, GOU Ling, ZHANG Wang-Feng*
图4 1800 μmol m -2 s -1 光强及新疆夏季气温A下棉花叶片B与苞叶C净光合速率 P n 的变化 缩写同 图1 。
Fig. 4 Changes of photosynthetic rate P n in cotton leaf B and bract C under 1800 μmol m -2 s -1 and Xinjiang’s temperature A Abbreviations are the same as those given in Fig. 1 .