The time series of WUE i in RT1 showed stronger and highly significant correlations with temperature, precipitation, and the deposited amounts of sulfate (SO 4 2– ) and nitrogen (NH 4 + and NO 3 – ) in comparison with the RT2 series ( Fig. 8 ).
← all excerpts
Response of leaf internal CO<sub>2</sub> concentration and intrinsic water-use efficiency in Norway spruce to century-long gradual CO<sub>2</sub> elevation.
1
—
—