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  • From: "David Inglis" <mhcsa AT bcn.net>
  • To: "'Market Farming'" <market-farming AT lists.ibiblio.org>
  • Subject: Re: [Market-farming] imants vs. crankshaft spader
  • Date: Tue, 2 Aug 2005 22:34:55 -0400

We have a Celli crankshaft spader and have friends who have an Imants
rotary Spader.
They are both expensive but the imants is more expensive but more
durable. The Imants has fewer moving parts to bust.; especially bearings
and seals. I don't know how easy it is to change the spades on the
Imants. I have seen both tools turn down massive greenmanure crops with
the Imants doing a better job of mixing in the residue and the Celli
less prone to wrapping. The Celli can be used in wet ground. The Celli
uses far less horsepower for the same working width. The Celli type
spader is less likely to leave a pan beneath the worked soil due to the
way the spade moves through the soil. In my ground the Celli can prepare
a planting surface in one pass; I do have very light soil though.
The Celli will tend to leave the soil crumb structure more intact than
any other tillage system I know off. Because of this the surface will
remain plantable for far longer before having to be reworked than say
roto tilled ground. Also we find that the moisture moves through the
Spaded soil better which makes for better transplant establishment.
The Celli needs to go slow so you must be sure your tractor is geared
low enough to run the Spader before you get one. Though the one pass you
make may be slow the whole tillage time is less than chisel, disc,
Perfector or most other combinations even if you have to make a
secondary tillage pass due to your soil type. On bare ground we make a
preliminary pass with a one or two shank Yeoman Plow so the Spader is
running through somewhat loosened ground. We do this to minimize the
wear and tear on the most expensive part of the system, the Spader, and
too kick start the biological processes. We attempt to see tillage as a
process of preparing the right conditions for the soil biology rather
than mechanical preparation of the 'correct' physical soil conditions .
I hope that helps.
David A. Inglis
Mahaiwe Harvest C.S.A.

> -----Original Message-----
> From: market-farming-bounces AT lists.ibiblio.org [mailto:market-farming-
> bounces AT lists.ibiblio.org] On Behalf Of Sean Albiston
> Sent: Monday, August 01, 2005 1:12 PM
> To: 'Market Farming'
> Subject: [Market-farming] imants vs. crankshaft spader
>
> I'm in the market for a new primary tillage implement and was
wondering
> if anyone on the list had any information or insight they might pass
> along regarding the Imants rotary spader in comparison to crankshaft
> spaders such as those manufactured in Italy. Also, does anyone know
of
> a Imants 32 series for sale?
>
> thanks, sean albiston
> www.bluerooforganics.com
>
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