Potassium efficiency of various cotton genotypes and its nutritional mechanisms Fuzzy Comprehensive Evaluation on Heat Tolerance in Eggplant Seedling Recovery Growth and Photosynthesis of Cotton at Seedling Stage with Waterlogging Stress Distribution of NO-3-N of maize rhizosphere in rhizosphere soil under style ofdifferent irrigation Effects of Piriformospora indica fungus on growth and drought resistance in alfalfa under water deficit stress