Fertiliser Price Tracker

You have lost me there, i gave a price of lime delivered and spread and equated the CAN benefit per tonne AN applied.
Im just trying to show that equating relative value isn't as straightforward as it would seem. You appear to be a bit pernickety :LOL:
Haha bet your lime man loves you!
Funny way for you to quote values like for like
 

e3120

Member
Mixed Farmer
Location
Northumberland
What's the obsession with the Ca in lime/CAN? My recollection of GCSE chemistry is acid + carbonate --> salt + water
i.e. it's the carbonate bit that does the neutralising, not the Calcium (or Mag). Is there something else going on?

Yes, Calcium is helpful in our clays, but the sniff in CAN ain't going to redress the imbalance.
 
What's the obsession with the Ca in lime/CAN? My recollection of GCSE chemistry is acid + carbonate --> salt + water
i.e. it's the carbonate bit that does the neutralising, not the Calcium (or Mag). Is there something else going on?

Yes, Calcium is helpful in our clays, but the sniff in CAN ain't going to redress the imbalance.
Bloody dear way to buy Dolomite!
 

CORK

Member
Yes we cant buy an because it's good for making bombs. Its can or urea
Southern Ireland here and it’s CAN+S all the way for me.
Other choice is Urea (unpredictable for a lot of the year due to volatilisation) or the new Protected Urea (which I see no point in using while I can use predictable CAN). 24m spreading by the coast so spread quality is important.
 

Brisel

Member
Arable Farmer
Location
Midlands
Southern Ireland here and it’s CAN+S all the way for me.
Other choice is Urea (unpredictable for a lot of the year due to volatilisation) or the new Protected Urea (which I see no point in using while I can use predictable CAN). 24m spreading by the coast so spread quality is important.

Volatilisation is overhyped by sellers of AN and CAN because they attract a higher profit margin than the global commodity that is urea. For volatilisation you need dry bare high pH soil in high temperatures. Most top dressing hams none of these conditions. Why do you think that Australia use so much urea? That's hotter and drier than Western Europe, though admittedly most is down the drill spout.
 
Mag lime costs me £5 per tonne ex quarry. Delivery is less than £5 per tonne.
Rate spread per agronomists prescription is usually around 2 tonnes per acre.
CAN contains a minuscule amount of mag lime (crushed dolomite) £5 per tonne when it goes into the bag £166 when it comes out
 

An Gof

Member
Location
Cornwall
Mag lime costs me £5 per tonne ex quarry. Delivery is less than £5 per tonne.
Rate spread per agronomists prescription is usually around 2 tonnes per acre.
CAN contains a minuscule amount of mag lime (crushed dolomite) £5 per tonne when it goes into the bag £166 when it comes out

Its not just about the price per tonne though, what about the fineness of grinding?
My agronomist (me) doesn’t like me to allow indices to drop to a level where I need 2t/acre in one application .... it’s little and more often here at 1t/acre.
Do you actually need Mag lime or are you just using it because it’s close and “cheap”.
You won’t find any stone delivered in this part of the world for less than £10/t ...... that’s cheaper than road planings.
 
Mag isn’t cheap compared to calcium lime which is nearer to me. Both are agricultural grade so it’s crushed. I have extensive hill land so maybe it’s not looked at as closely as yours.
Your previous calculations were £30 per tonne spread when actually you are spreading it yourself so that needs recalculating minus the spreading which is a few £ per acre.
How much neutralising value do you get from CAN?
If you can do your own agronomy calculations you maybe know. I don’t. That’s because I can’t get a straight answer from them. I’m told it’s enough to not reduce ph as much as other forms of nitrogen which is a wide open calculation.
Why pay over 30 times more for crushed dolomite?
 

An Gof

Member
Location
Cornwall
Mag isn’t cheap compared to calcium lime which is nearer to me. Both are agricultural grade so it’s crushed. I have extensive hill land so maybe it’s not looked at as closely as yours.
Your previous calculations were £30 per tonne spread when actually you are spreading it yourself so that needs recalculating minus the spreading which is a few £ per acre.
How much neutralising value do you get from CAN?
If you can do your own agronomy calculations you maybe know. I don’t. That’s because I can’t get a straight answer from them. I’m told it’s enough to not reduce ph as much as other forms of nitrogen which is a wide open calculation.
Why pay over 30 times more for crushed dolomite?

You're making this too complicated, perhaps it’s the way I wrote my post.
I was merely expressing a common ”rule of thumb” used hereabouts that a bag of AN applied will “cost” you a bag of lime. Good ground limestone in this area is around £30/T delivered and spread. So that’s how I arrived at the figure .... I’m not trying or even attempting to work on actual NV I was and am expressing a well used rule of thumb.
The point here is that CAN does have an additional value over and above the unit value of N when compared to AN. I have never thought it enough to buy CAN but it works for some people and particularly in places where they do not have the choice of access to AN.
 
You're making this too complicated, perhaps it’s the way I wrote my post.
I was merely expressing a common ”rule of thumb” used hereabouts that a bag of AN applied will “cost” you a bag of lime. Good ground limestone in this area is around £30/T delivered and spread. So that’s how I arrived at the figure .... I’m not trying or even attempting to work on actual NV I was and am expressing a well used rule of thumb.
The point here is that CAN does have an additional value over and above the unit value of N when compared to AN. I have never thought it enough to buy CAN but it works for some people and particularly in places where they do not have the choice of access to AN.
I agree with a lot you are saying.
I’m often getting advised to take some but I don’t see how it can be any benefit due to the tiny amount of crushed dolomite added. Even if as you say your rate is often one tonne per acre of lime you aren’t even putting a small percentage of that on with this product.
Ive had similar discussions with reps about prilled lime. To get the neutralising value you do need the weight and the cheapest route looks the best.
Mag lime is £29 per tonne spread here. Calcium lime is around £20. It is cheaper for me to buy it directly from the quarry and haul it with a contractor then get it spread separately but not by much.
 
Been quoted £240t for urea. Any good? Never used before anything to watch out for quality wise? It’s for grassland.
what price is polysulphate roughly?
I was quoted 243. Whos 240. Ureas good plant feed, we use it as much as we can and spread in the rain this time of year.
September pay jan nitram turned up this week , pay jan still or pay 2-3 months earlier ? what a load of marketing rubbish
Our oct fert is all coming next week! My storage quote was obviously cheap
 

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