Analysis Of Poplar Water-Use Efficiency At Domaninek Experimental Site

The main objective of this study was to test if water-use efficiency (WUE) values are higher for short-rotation poplar coppice than they are for field crops. WUE of woody biomass was determined for 16 trees within a short-rotation poplar coppiced culture (poplar clone J-105) in the Bohemian-Moravian Highlands within the Czech Republic during the 2013 growing season. Total WUE of woody biomass for the 16 measured trees was 4.93 g kg(-1) when calculated with the data set without a vapour pressure deficit condition and 4.63 g kg(-1) when calculated with the data set with a vapour pressure deficit condition. Poplar clone J-105 is a tree species with relatively high WUE, but some crops or short-rotation coppice species can reach higher or comparable WUE values.