Welcome to Chinese Agricultural Science Bulletin,
A Study on Dynamic Change of Chlorophyll SPAD Values of Upper Leaves in Main Stem of Cotton
李鹏程 董合林 刘爱忠 王润珍 刘爱珍 李如义
Chinese Agricultural Science Bulletin . 2012, (3): 121 -126 .  DOI: 10.11924/j.issn.1000-6850.2011-2237