Response of matter production of two winter wheat genotypes with differing nitrogen efficiency to di-atmospheric CO2 concentration and nitrogen supply The responses of photosynthetic energy use in wheat flag leaves to nitrogen application rates and light density under elevated atmospheric CO2 concentration Difference of Desert Ecosystem Responses to Elevated Atmospheric CO2 Concentration between Dry and Wet Years EFFECTS OF NITROGEN ON THE DRY MATTER ACCUMULATION,CARBON ANDNITROGEN METABOLISM OF WHEAT LEAVES UNDER ELEVATED ATMOSPHERIC CO2 CONCENTRATION Photosynthetic Responses to Inorganic Carbon in Ulva lactuca Under Aquatic and Aerial States Experimental Study and Mathematical Simulation of Water Use Efficiency in Wheat Leaves Affected by Some Environmental Factors Effects of Soil Water and the Atmospheric COZ Concentration Increase on Evapotranspiration,Photosynthesis,Growth of Wheat,Maize and Cotton The effects of elevated atmospheric CO on AMF community colonized in roots of various plant species Effects of elevated atmospheric CO2 on soil enzyme activities at different nitrogen level Relationship between stomata parameters of plants and atmospheric CO2 concentration change Meta-analysis*of*the Response*of*Plant Ecophysiological Variables to Doubled Atmospheric CO2 Concentrations INTERACIVE EFFECTS OF DOUBLED ATMOSPHERIC CO2 CONCENTRATIONS AND SOIL DROUGHT ON WHOLE PLANT CARBON ALLOCATION IN TWO DOMINANT DESERT SHRUBS Effects of atmospheric CO2 enrichment on the population sizes of aquatic microbial and coliform group in paddy field ecosystem A Study on the δ13C Values of Tree Rings and Their Indicative Functions in Revealing Atmospheric CO2 Changes in North China Effects of simulated elevated atmospheric CO2 concentration and temperature on soil enzyme activity in the subalpine fir forest