Granulated Lime

DairyNerd

Member
Livestock Farmer
Always had ground limestone spread before. Anyone used granulated lime? What are the pro's and cons? I guess it is a more expensive product but surely there is a gain in being able to spread yourself when you want and ease of handling.
 

benny6910

Member
Arable Farmer
Always had ground limestone spread before. Anyone used granulated lime? What are the pro's and cons? I guess it is a more expensive product but surely there is a gain in being able to spread yourself when you want and ease of handling.
I’ve used it for patch treating areas. It’s fine for small areas but I wouldn’t want to do 50 acres at 1 ton acre. It’s a slow job trying to get a decent rate on.
 
I don’t know for certain, but I would have thought there were several sources of lime or chalk a reasonable distance from you, so that the haulage didn’t make bulk products too expensive.

In certain areas of the country it could be 150 miles to a bulk lime quarry, so granular can work in such situations. Also , if your pH values are very seldom off the mark, it can be easy to maintain them with granular.

However, if your ground needs lime every few years, it’s highly unlikely that granular will stack up financially.

Granular lime is made up of 100% 150 micron dust. If you use a good quality ground lime (not screened lime) it must, by law, be made up of AT LEAST 40% 150 micron dust, thereby working quickly and efficiently in your soil, whilst the rest of the sample gives longevity.

Granular lime cannot, and will not work any better or faster than a good quality ground lime. It is made from exactly the same stuff.

Be wary of any sales talk to the contrary and dismiss entirely the notion that the totally made up figure of TNV (total neutralizing value) is of any use whatsoever. It isn’t.
 
You've had a busy hard day..and you're thirsty... You're offered either a tot of whiskey, or a big mug of tea.. that's my comparison...

They are both tea. There is no chemical nor physical difference between lime and granulated lime. It's exactly the same fudging stuff.

The idea that 250kg/acre of some wunderdust is going to make a jot of difference to pH is a lark.
 

Wisconsonian

Member
Trade
...Be wary of any sales talk to the contrary and dismiss entirely the notion that the totally made up figure of TNV (total neutralizing value) is of any use whatsoever. It isn’t.
I'll take the blame for that, as TNV is one of the tests done on lime here in the US. It's just the total neutralizing capacity of the material, if it all eventually breaks down and reacts. Especially for a coarse lime, it will be higher than the Effective Neutralizing Power which estimates the first year change. 3" crushed lime would have the same TNV as the powdered product, but virtually 0 EFN.

I suspect that's not the way it's being used to promote granulated lime (pelleted lime). So be extra wary.
 
Thank you @Wisconsonian for explaining that. I have often wondered where that figure came from.

Those that sell granular lime often compare their TNV figure to the NV figure more commonly used in the UK. It obviously makes their product look twice as “good”, whereas in reality it’s no different.

Granular lime will not, and can not, work better, faster or longer than good quality ground lime. They are exactly the same base product.
 

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