[Market-farming] lime powder application

William H Shoemaker wshoemak at illinois.edu
Mon Mar 21 11:44:02 EDT 2011


Really don't know. I haven't heard about that. A guess my concern would be
using too much Boron and risking Boron toxicity. It's probably the most
tricky nutrient because it is an essential nutrient but it can become toxic
at fairly low levels. I'll look into it and if I find anything I'll post it.
I'd just be careful with Boron.

Bill
William H. Shoemaker
Sr. Research Specialist, Food Crops
University of Illinois - Crop Sciences
St Charles Horticulture Research Center
535 Randall Road, St Charles, IL, 60174
630-584-7254, FAX-584-4610 
wshoemak at illinois.edu


-----Original Message-----
From: market-farming-bounces at lists.ibiblio.org
[mailto:market-farming-bounces at lists.ibiblio.org] On Behalf Of Michael
O'Connor
Sent: Monday, March 21, 2011 7:22 AM
To: Market Farming
Subject: Re: [Market-farming] lime powder application

Question for Bill Shoemaker: I have read how a small amount of Boron can
help access available calcium in the soil. How much boron for 2 tons an acre
and how can we acquire and apply it? (20 mule team borox)? 

Bill Shoemaker is one of the main reasons I read this list. Always has
something pertinent to say. 

Michael O'Connor
oldsudbury at gmail.com






On Mar 20, 2011, at 11:01 AM, Bill Shoemaker wrote:

> To really make even minimal pH adjustments you need to apply lime in terms
of tons per acre. If you can have someone haul quarried lime fines to your
site, then have someone with a real lime spreader apply it, bite the bullet
and put it one at 2 tons/acre. You can have impact and not worry about it
for a few years. It'll surely be more economical than purchasing it by the
50 lb bag. 
> 
> Using dolomitic lime when you already have high Mg sounds like a bad idea.
But we have the same situation. Farmers used to buy lime from 100 miles
south because it was calcitic lime. But it turned out the benefit was
minimal, not worth the extra cost. It just didn't change the ratio of
available Mg to K and Ca, even in the long term. The best way to address
high Mg content in soil is to manage K fertility carefully, applying fresh
potash or another K source annually to keep high levels of available K. You
might want to see if you can find a land-grant soil scientist who know's
your region to get some guidance.
> 
> Bill
> 
> ---- Original message ----
>> Date: Sun, 20 Mar 2011 06:30:32 -0700
>> From: Vern and Amy <vaspencer at sisna.com>  
>> Subject: Re: [Market-farming] lime powder application  
>> To: market-farming at lists.ibiblio.org
>> 
>> We have about 5 acres of mixed veggies and 50 acres of hay/pasture 
>> to adjust pH.  I guess I should contact other farmers around here to 
>> find out how they do it.  The only pelletized lime I have found is 
>> Dolomite, and I already have plenty of Mg, which I think dolomite adds 
>> to.  The local farm store doesn't even carry lime, except dolomite.  Our 
>> area is not very agricultural anymore--not the best place to grow (soil 
>> and weather).  I might have to check with folks 50 miles out of town.  
>> Any other input is welcome.  Thanks.
>> 
>> Vern
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> William H Shoemaker, UI-Crop Sciences
> Sr Research Specialist, Food Crops
> St Charles Horticulture Research Center
> 535 Randall Road  St Charles, IL  60174
> 630-584-7254; FAX-584-4610
> _______________________________________________
> Market-farming mailing list
> Market-farming at lists.ibiblio.org
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> Market Farming List Archives may be found here:
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