Global analysis of crop water productivity
What is it about?
We examined global patterns of water productivity — food produced (kcal) per unit of water (l) — consumed for 16 major food crops using spatially distributed, crop-specific water consumption and yield data.
Why is it important?
We found a large range in crop water productivity between crops, climatic zones and within climatic zones. For most crops, we see as much variability in water productivity resulting from non-climate drivers as from climate. If water productivity on only the least productive, precipitation-limited croplands were increased, the impact would be substantial.
The following have contributed to this page: Dr Stefan Siebert and Kate A Brauman