Effects of Water Stress on Chlorophyll Fluorescence Parameters of Maize
QI Hua, BAI Xiang li, SUN Shixian, LIU Ming, YANG Guo hang, CoNG Xue
ACTA AGRICULTURAE BOREALI-SINICA . 2009, (3): 102 -106 .  DOI: 10.7668/hbnxb.2009.03.023