date:Feb 01, 2013
ch can point to days on which crop water stress is likely, are often calculated using atmospheric data such as rainfall and temperatures. However, those measurements do not consider the soil properties of individual fields or sites.
Atmospheric variables do not take into account soil moisture, explains Tyson Ochsner, lead author of the study. And soil moisture can provide an important buffer against short-term precipitation deficits.
In an attempt to more accurately assess drought probabilitie