Dear friend
Use solar irradiance(Ra) but not the Net solar irradiance (Rn)
regards
tekeste
----- Original Message -----
From: "Bahram Andarzian" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Sunday, August 28, 2005 11:16 AM
Subject: Solar radiation
> Dear my friends
>
> Hi
>
> Please, let me know, in DSSAT weather data file which fraction of solar
radiation is as input (Rs or Rn).
>
>
>
> Rs=.77(.25+.5n/N)Ra
>
>
>
> Rn =.77(.25+.5n/N)Ra-Rnl( radiation with long wave length)
>
>
>
> Best
> Andarzyan
>
>
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