Foliar nitrogen feeds

Flatlander

Member
Arable Farmer
Location
Lorette Manitoba
Taken from CPM Magazine May 2020 ...

Spring barley trials by the manufacturer of N-Durance 28 have shown that 40 kg N/ha of conventional ammonium nitrate granular fertiliser can be replaced with 7 kg/ha of N-Durance 28 when applied at Growth Stage 39, with no reduction in yield (in a programme using 100 kg N/ha AN in total). A yield benefit over the standard 140 kg N/ha AN has also been found when applied at the earlier GS 30 timing.
Manufacturers trials. Now there a credible source of independent trials. Sign me up for lorry load.
 

cricketandcrops

Member
BASIS
Location
Lincolnshire
Definitely interest in these products with current N price, can see a place when N Opt is reduced to around 160 kg N of soil applied, then an application of foliar late to supplement. Our YaraVita product is called Safe-N 300 https://www.yara.co.uk/crop-nutrition/fertiliser/micronutrient/yaravita-safe-n-300/

Historically the issue has been price vs fertiliser, take last year for example, a foliar application delivering 3 kg/ha was costing the same as a soil applied delivering 25 kg/ha N, even at 40% efficiency most opted for the solidā€¦ā€¦however given current N price it is 3 kg vs around 9-10 kg the sums are different, hence the interest.
 
It may well do, a few litres of 20% urea liquid added to the sprayer tank every time through the crop between April and May, may achieve the same thing.

Ā£2700 for an ibc šŸ˜, 2700/125=Ā£21.6 . mmm, for an effect that may or may not happen.

I think I would play around with a bit of melted urea.
Let us know how you get on. Perhaps try a split field application - photographically document the two halves and post yield maps as well.
 

ajd132

Member
Arable Farmer
Location
Suffolk
Regardless of feet price etc I was already planning on melting down some urea or uas (I now have 3 Agrocos at my disposal, anyone want to buy a couple?).
I was planning on putting 25l on with every pass of the sprayer, and on spring crops maybe go and extra couple of passes with this foliage spray and some other nutrition.
I donā€™t really see this as a replacement but something to run alongside a slightly stripped back normal feet program.
 

Spencer

Member
Location
North West
Regardless of feet price etc I was already planning on melting down some urea or uas (I now have 3 Agrocos at my disposal, anyone want to buy a couple?).
I was planning on putting 25l on with every pass of the sprayer, and on spring crops maybe go and extra couple of passes with this foliage spray and some other nutrition.
I donā€™t really see this as a replacement but something to run alongside a slightly stripped back normal feet program.
Agrocos?
 

bobk

Member
Location
stafford
Definitely interest in these products with current N price, can see a place when N Opt is reduced to around 160 kg N of soil applied, then an application of foliar late to supplement. Our YaraVita product is called Safe-N 300 https://www.yara.co.uk/crop-nutrition/fertiliser/micronutrient/yaravita-safe-n-300/

Historically the issue has been price vs fertiliser, take last year for example, a foliar application delivering 3 kg/ha was costing the same as a soil applied delivering 25 kg/ha N, even at 40% efficiency most opted for the solidā€¦ā€¦however given current N price it is 3 kg vs around 9-10 kg the sums are different, hence the interest.
So why not melt N and spray that on ?
 

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