Addressing hardpan issues in spring...

I know, fall is best, but extent of hardpan issues werent verified till this spring. Sandy soils. Penetrometer hits red (300#) as shallow as 7" in some places with aveage hard depth being in that 8-9" range. Compaction depth stops anywhere from 12-17". Its been very wet, and I imagine this hardness will only get harder when soil dries. Would I be asking for trouble ripping it this spring yet? I cant imagine the corn crop doing worth a darn if the roots cant get deeper than 7-10". Any advice? What adverse effects should I expect?
 
(quoted from post at 14:55:55 04/28/16) I know, fall is best, but extent of hardpan issues werent verified till this spring. Sandy soils. Penetrometer hits red (300#) as shallow as 7" in some places with aveage hard depth being in that 8-9" range. Compaction depth stops anywhere from 12-17". Its been very wet, and I imagine this hardness will only get harder when soil dries. Would I be asking for trouble ripping it this spring yet? I cant imagine the corn crop doing worth a darn if the roots cant get deeper than 7-10". Any advice? What adverse effects should I expect?

Not too far from you (just east of Battle Lake), sandy loam soil, spring tillage I've run a sub soiler prior to other tillage and had good results. The down side is drainage should we get dry.

Rick
 
It might be worth it if the subsoil is sandy so any moisture at that level can move up into the topsoil layer during the growing season. If the subsoil is not too acidic the roots may go down many inches past the topsoil layer. A couple of fields I work have 8 inches of sandy loam for topsoil, clay subsoil for 18-20 inches, and then a sandy layer of subsoil below that layer. It worked out that the tile wound up in the sandy sub layer and one line is effective for a couple hundred feet to either side of it.
 
Old tanker. Our best friends daughter married a guy from south of Battle Lake. Last name Boyum. The Dad had a dairy farm there and died about a year ago. Name ring a bell? Her husband (one of the
sons) is running the farm this year. They sold the cows.
 

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