Hello Derek,

it is probabably a good idea if you post your
question also in the irrigation-l list. Rick Allen
is a member of this list and always responds
with thoughtful answers to these kind of questions.
Subscription details can be found on following website:

http://www.irrigation-l.org/cms/index.php?id=7

Good luck,
Matthias Langensiepen

Heeren, Derek wrote:
> Hello DSSAT users,
>
> It appears that when "FAO-56" is selected for the method of calculating
> ET, the constants for a short-grass equation are used.  Is there a way
> to run a tall reference ET equation in DSSAT?
>
> Thanks,
> Derek
>
>
> Derek M. Heeren, E.I.
> Graduate Research Assistant
> Agricultural and Biosystems Engineering Department
> South Dakota State University
>
>