Fig. 1.

Graphical model of the water balance for a wide range of climatic conditions (Ponce, 1995).


Fig. 2.

The effect of different transpiration environments on the amount of water transpired for each g of aboveground biomass produced (Stewart and Lal, 2012, based on information from Sinclair and Weiss, 2010).


Fig. 3.

Average and upper bound corn grain yields as a function of seasonal water supply (upper graph) and water use efficiency (WUE) values (lower graph) calculated from upper graph data (adapted from Grassini et al., 2011).