Effects of Water Stress on Energy Transduction in Chloroplasts Enhancement of Photophosphorylation and Photosynthesis in Rice by Low Concentrations of NaHSO3 Under Field Conditions Studies on Photosynthetic Membrane and Its Characterization in Anabaena azollae STUDIES ON PHOTOSYNTHETIC CHARACTERISTICS IN RICE HYBRID PROGENIES AND THEIR PARENTS Ⅱ. HILL REACTION, PHOTOPHOSPHORYLATION, ATPase ACTlVITY AND ATP CONTENT IN LEAVES Light Reaction Characteristics in Functional Leaves of Liangyoupeijiu in the Reproductive Growth Stage Promotive Effect of Low Concentrations of NaHSO3 on Photophosphorylation and Photosynthesis in Phosphoenolpyruvate Carboxylase Transgenic Rice Leaves