Figure 13

Simulated wheat irrigation water use efficiency (kg ha−1 mm−1) from 1998 to 2008 in the main production regions of China, (A) CERES-Wheat; (B) WheatGrow (This figure was created by ArcGIS 9.3, http://www.esri.com/arcgis/).
Simulated wheat irrigation water use efficiency (kg ha−1 mm−1) from 1998 to 2008 in the main production regions of China, (A) CERES-Wheat; (B) WheatGrow (This figure was created by ArcGIS 9.3, http://www.esri.com/arcgis/).