Characteristics of N_2O Fluxes in Paddy Fields of the Sanjiang Plain;

Impact of Reclamation Activities on Water-soluble Ionic Iron Distribution of Surface Water in the Sanjiang Plain;

Water Balance of the Reclaimed Wetland in the Sanjiang Plain;

Study on Nitrogen Concentration and Deposition Amount in Wet Deposition in Typical Wetland Ecosystem of Sanjiang Plain;

Research of Diurnal Variation of CH_4 Flux from Carex lasiocarp Marsh in Different Growing Stage in Sanjiang Plain;

Distribution of Water-soluble Iron in Water Environment of Sanjiang Plain;

The Study of the Current Situation of the Chinese Language Teaching in Middle School in Minority Nationality Regions--A Survey of Sanjiang County and Jinxiu County in Guangxi;