[Apple-Crop] Soil Anchors

[Kevin VerSnyder]

David, we use duckbills or manta rays exclusively here in the sandy loam soils of Leelanau County because of high failure rate
With helicals in sand. I like the ductile 11" manta ray for apples and the 6" inch aluminum or ductile for rocky soil in grapes. Whenever we have a helical fail in an old vineyard a duckbill is used to replace it. Hope this helps.

Kevin J. VerSnyder
VerSnyder Orchards
Lake Leelanau, MI 49653

> On Mar 30, 2017, at 4:30 PM, David Kollas <kollas at frontier.com> wrote:
> 
>    Does anyone have experience with duckbill-type earth anchors for row-ends in trellis orchard or vineyard?
> 
>    Compacted glacial till is a common feature below about 18-20 inches here.  I am looking for anchoring against 
> possibly as much as 2000 pounds force.  Can aluminum duckbills be driven into glacial till?  Does galvanized cable 
> rust out after a few years?  Other important observations?     I didn’t mention that the soils here are abundantly
> supplied with a wide range of stone sizes and types.
> 
> David Kollas
> Kollas Orchard
> Tolland, CT
> 
>    
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