Growing Daffodils, Soil, Weed Control

Preen – active ingredient – Trifluralin

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To Michael, John and All,
 
Quite a lot of heat has been generated about this chemical.
The link provides technical info, too much, but the bit on its use may be of interest. 
 
 
 
I note from reading elsewhere that it can persist in soil for months, breaking down most readily near the surface.
I suggest that forking over soil would move it deeper where it could persist longer and be taken up by bulbs, which would be delayed until the next growth period.
 
Note: lots of stuff on this chemical being taken out of use.
 
George Norris  Scotland
 
 

1 comment for “Preen – active ingredient – Trifluralin”

  1. To Michael, John and All,
     
    Quite a lot of heat has been generated about this chemical.
    The link provides technical info, too much, but the bit on its use may be of interest. 
     
     
     
    I note from reading elsewhere that it can persist in soil for months, breaking down most readily near the surface.
    I suggest that forking over soil would move it deeper where it could persist longer and be taken up by bulbs, which would be delayed until the next growth period.
     
    Note: lots of stuff on this chemical being taken out of use.
     
    George Norris     Scotland
     
     

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