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Drilled beans depth consistency
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Posted 6/12/2019 22:11 (#7555970 - in reply to #7555405)
Subject: RE: Drilled beans depth consistency

Sanilac Co. Michigan
What have you got for opener arms? I think that makes a huge difference in seed depth, regardless of the crop you're drilling.

Basically, the GP opener arms fall into two categories, straight arm and parrallel linkage. The parallel linkage outfits follow ground contoures more closely than the straight arm and react better to changes in soil texture. Straight arms will give fairly consistent depth if you have little variability, otherwise they tend to go too deep or too shallow.

About the only advantage they have is they are cheaper to buy and cheaper to rebuild. Not many moving parts, comaratively.

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