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Subject:	Re: Solar radiation
From:	Tekeste Woldegebrel <[log in to unmask]>
Reply To:	Tekeste Woldegebrel <[log in to unmask]>
Date:	Sun, 28 Aug 2005 20:18:55 +0400
Content-Type:	text/plain
Parts/Attachments:	text/plain (36 lines)

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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>

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