Drought Timing for Agronomic Screening
This amazing Google Maps mashup plots the probability of observing a drought stress after any given sowing date for anywhere in the world.
If you click on the map an information window opens giving a summary of the FAO soils available at that location. Users can choose values for the critical Ea/Et for drought, days after sowing and period in canopy closure. You can then run an analysis on the selected location.
The analysis shows the probability of drought for the selected number of days after sowing. It is also possible to observe the mean Ea/Et values for the number of days selected.