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planter set-up
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Jim
Posted 6/28/2012 12:19 (#2454544 - in reply to #2454077)
Subject: RE: planter set-up - seed depth and planter closing wheels (pics added)


Driftless SW Wisconsin

mhagny - 6/28/2012 06:04

Jim - 6/27/2012 23:47


With reference to Hagney's statement below, I will just say you can't get seed to soil contact with a nail/spike/point.  


Jim at Dawn

Of course not!  That is why we at Exapta insist that in-furrow seed-firming be done with a Keeton + Mojo, or with a seed-lock wheel (not many of those around anymore, due to clogging with mud) running in the bottom of the trench.  We do the seed firming precisely at the seed's location, then crumble the soil over the top of the seed for the most rapid and uniform germination and emergence.

Martin Industries and Phil Needham have a similar stance on the need for doing seed firming with a separate mechanism (Keeton or seed-lock wheel) running ahead of the slicing- or spearing-type closing wheels.



Matt,

Separating the functions of providing seed to soil contact and closing the seed slot is certainly another way to go.

However as you mention, there are many places where the rolling seed lock wheel just does not work due to mud.  Similarly there are also many places and soil types/conditions (heavy wet sticky clay for example) where a sliding type seed firmer also does not work due to mud buildup and ends up dragging seed rather than firming it.  

The Curvetine is often used in applications where folks have found they do not want to use a seed firmer or drag chain for some reason.

One of the interesting things about this business is that there is just no one way to set up a planter for all crops, geographic locations, conditions, soils and residue.  I am not criticizing your method nor any others. There is more than one way to do things, usually with benefits and drawbacks to each. 

I think there are reasons that planter setups vary so much from region to region. There just is no one "best" setup (despite the fact some folks will tell you there is) or we would all be using it.  Conditions for ground engaging tools are just different from region and soil type and climate and residue and ..... 

Jim at Dawn



Edited by Jim 6/28/2012 12:21
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