Advances on the study of microRNA-mediated responses to nutrient stress in legume crops Role of root exuded organic acids in mobilization of soil phosphorus and micronutrients Utilization of Plant Potentialities to Enhance the Bio-efficiency of Phosphorus in Soil Community composition of phytoplankton in Fujian-Guangdong coastal upwelling region in summer and related affecting factors. Research Progress on Regulatory Function of Bacterial Small RNA Resistance to Nutritional Stress The status and changes of soil nutrients in rhizosphere of cultivated Atractylodes lancea