Studies on the Chemical Constituents of the Herb Lysimachia christinae Hance THE EFFECT OF ULTRASTRUCTURE OF NaCI ON SESOPHYLL CELLS OF WHEAT SEEDLINGS Response to Sodium Chloride Stress at Germination and Seedling and Identification of Salinity Tolerant Genotypes in Foxtail Millet Landraces Originated from China Effect of different NaCl concentrations on plant growth and nitrogen uptake of summer corn NITROGENASE ACTIVITY AND NH_4~+-DEREPRESSION OF BLUE-GREEN ALGAE Anabaena 7120 UNDER INFLUENCE OF SODIUM CHLORIDE Determination of content of puerarin in PUERARIN AND SODIUM CHLORIDE INJECTION by RP-HPLC Establishment and Verification of Comprehensive Evaluation Methodfor Salt Tolerance of Sorghum Materials