nitrogen application

4course

Member
Location
north yorks
Done my rape today and then started on the winter barley.
I was very surprised to see green buds visible in the centre of the plants it seems very early.View attachment 766640
still too wet here no wind no sun this being patient is doing me no good, so could wellbe a case of fire flood shish or blood ,worked out weve got just over 600 acres to cover and thats without grass albeit some of it twice compound and N plus short days with other things to do, the load of fert we sent back is now starting to cost
 

Brisel

Member
Arable Farmer
Location
Midlands
Sorry I’ve not come into 2019 with fert I’m still in units. How do I convert? I’ve got it written down somewhere but not to hand

1 unit = 1.25 kg/ha N. Beaten to it by @Zippy768

Are you busy at it yet @Brisel?

Not yet. Another day of spraying off cover crops then a clean out and onto the first 40 kg/haN liquid N dose on the osr. Insufficient aerial imagery so it will just be a flat rate this time. Back in a couple of weeks with the next dose when I've got a better idea of losses to CSFB larvae.
 

robbie

Member
BASIS
It is quite a low dose but I plan to go with a big dose in a fortnight or so then again with the final as late as possible but I'm contemplating changing the last dose for liquid after flowering. The "experts" tell me rape needs plenty of N later for yield, but I must admit I prefer the big dollop early strategy.
 

Brisel

Member
Arable Farmer
Location
Midlands
I'm only planning on a small dose of N on the osr first time. More to do with crop viability since I have 20 - 80 CSFB larvae/plant in places. Normally I'd be doing 90 -110 kg/ha N now but decided to split it down into an extra pass this year. There won't be much biomass growth in the next 3 weeks so I doubt there will be much N taken in - it's 14th Feb today and we could still have a lot of rain to leach it away. There's no right or wrong answer here, I think. Save passes where you can & it's better to be a week early than a week late when growth really gets going.
 

robbie

Member
BASIS
It's an absolutely gorgeous morning here,sun shining, sky larks twittering.... perfect.
20190214_093943.jpg
 

ZXR17

Member
Location
South Dorset
Applied 60 kg N + SO3 to winter barley and started osr at same rate yesterday and today . Beautiful sunny day and forecast for the next week . Osr has fresh growth and some plants have green buds showing .
 

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I gave into temptation to put a sprinkle on the osr today after looking at long term weather forecast. Seems fairly settled for the next few weeks? Must admit they’ve been known to be wrong
 

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