Influence of salinity (NaCl) on the photosynthetic pigments content of some sweet sorghum varietiesGulnaz Baiseitova, Batyrbek Sarsenbayev, Erlan Kirshibayev and Madiar KamunurBIO Web Conf., 11 (2018) 00003DOI: https://doi.org/10.1051/bioconf/20181100003