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2 棉花叶片A与苞叶B叶绿素含量的变化 缩写同 图1 。
Fig. 2 Changes of chlorophyll content in cotton leaf A and bract B Abbreviations are the same as those given in Fig. 1 .