Effects of Silicon on Chlorophyll Fluorescence of Cucumber Seedlings Under Severe Drought Stress
ZHOU Xiu-jie, ZHAO Hong-bo, MA Cheng-cang
ACTA AGRICULTURAE BOREALI-SINICA . 2007, (5): 79 -81 .  DOI: 10.7668/hbnxb.2007.05.019