Understanding yield gap and production potential based on networked variety-density tests and Hybrid-Maize model in maize production areas of Inner Mongolia Climate-productivity of grassland and its response to climate change in Ili River Basin, Xinjiang, China Effects of seawater and NaCl solution pulses on methane production potential from laboratory-incubated tidal freshwater and brackish marsh soil The Influence of Climatic Warming on the Climatic Potential Productivity of Alpine Meadow Population supporting capacity of land resources in Hainan Island Spatial suitability and its bio-ethanol potential of sweet sorghum in China