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Mikenesd

Posted 7/13/2013 08:05 (#3205659)
Subject: soil temps sorghum-sudangrass update pic

Clark SD

This a update to a previous post.
http://talk.newagtalk.com/forums/thread-view.asp?tid=401828&posts=1&highlight=soil&highlightmode=1#M3196839

On 7/3 about 15:40 we planted sorghum-sudangrass in 30 inch rows. On 7/4 i installed a data logger to record soil temperatures at 2, 4, 8 and 12 inches deep. For the most part the sorghum-sudangrass has emerged and on average are 2.25 inches tall leaf over on 7/12.

On 7/12 the plants in the low area where the ground is bare the plants are on average 4 inches tall leaf over.

legend for charts
at : air temperatue 5.5 feet above ground
12" st : soil temperature 12 inches deep
8" st : soil temperature 8 inches deep
4" st : soil temperature 4 inches deep
2" st : soil temperature 2 inches deep