All things Dairy

The Agrarian

Member
Mixed Farmer
Location
Northern Ireland
Ok then. Short case study.

There have been several reasons given for lack of regrowth here. Cold (especially nights) and dry being the main ones, as well as exhausted nitrogen. I contend that maturity of the previous crop is the biggest factor.

Photo 1

Heavy end of a field, which I fertilised for the first time with N & S at beginning of april, due to its flatness and prone to have surface water. This obviously yielded lighter than average when cut 21 days ago today.

IMG_20190523_092015715.jpg


Photo 2

Same field, 20m away on lighter soil, fertilised with 2500gl slurry/acre and N & S in mid February. Maturity and yield much further on than photo 1.

IMG_20190523_092108216.jpg


Photo 3
You can easily spot the green corner in this aerial photo. Land directly to the right of it is same type, but easier to drain, and so got same very treatment as everything else.

Screenshot_20190523-100128.png


Conclusion

This study does not rule out the role of dryness, but suggests it is not the only factor, given same soil type next door is performing very differently. Temperature ruled out by this comparison, though I expect is holding overall growth of everything back a bit.

Points to maturity, as evidenced by the stubble. Had there been a window to cut a week earlier, regrowth would have better.

I've even read in the college press recently that grass needs to be cut soon as it is approaching heading. It seems even they haven't realised how much further on grass was this year. Also goes to prove there are no free lunches. A big first cut robs grass from the second etc.
 
Last edited:

Wee Willy

Member
Location
Tyrone
Ok then. Short case study.

There have been several reasons given for lack of regrowth here. Cold (especially nights) and dry being the main ones, as well as exhausted nitrogen. I contend that maturity of the previous crop is the biggest factor.

Photo 1

Heavy end of a field, which I fertilised for the first time with N & S at beginning of april, due to its flatness and prone to have surface water. This obviously yielded lighter than average when cut 21 days ago today.

View attachment 801770

Photo 2

Same field, 20m away on lighter soil, fertilised with 2500gl slurry/acre and N & S in mid February. Maturity and yield much further on than photo 1.

View attachment 801774

Photo 3
You can easily spot the green corner in this aerial photo. Land directly to the right of it is same type, but easier to drain, and so got same very treatment as everything else.

View attachment 801778

Conclusion

This study does not rule out the role of dryness, but suggests it is not the only factor, given same soil type next door is performing very differently. Temperature ruled out by this comparison, though I expect is holding overall growth of everything back a bit.

Points to maturity, as evidenced by the stubble. Had there been a window to cut a week earlier, regrowth would have better.

I've even read in the college press recently that grass needs to be cut soon as it is approaching heading. It seems even they haven't realised how much further on grass was this year. Also goes to prove there are no free lunches. A big first cut robs grass from the second etc.
What an excellent case study.



You have too much time on your hands.



I want a robot too.
 

farmboy

Member
Location
Dorset
Forecast heavy rain at 6am this morning it never came,forecast heavy rain for 3pm it never came,funny because yesterday’s forecast said no rain till Saturday.

I decided to risk it,kids off next week,so under the feet,not ideal.
We’re having a week off in your neck of the woods next week so bound to be wet
 

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