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Chemical methods are often short-term and can raise controversy. After all, worms are good for aeration...
Personally, I'd use a combination of the top two first. Other ideas are questionable and can get pricey. There is an art in their timing and application rates also.
I managed a cricket square and worms were an issue which compromised safety - I had perfect results with a now withdrawn product. In a lawn it has to be viewed a little differently.
Hi we stock a product called Amvista Squirm which our customers have found highly effective on worm casts..Amvista Squirm works by preventing the worm casting: https://www.progreen.co.uk/amvista-squirm-10l It comes in a 10L and treats approx.. 5000sqm.
It contains a mix of nutrients which make it uncomfortable or itchy for worms to touch so they burrow deeper and away from the sprayed area. Squirm is not an insecticide and does not linger in the soil so after periods of heavy rainfall it should be reapplied to maintain concsistency during the peak periods when natural rainfall and warmish weather brings the worms to the surface. Hope this helps.
That’s interesting- is there a shelf life on that?
Hi - officially there is no shelf life and last for a couple of years. But it is recommended to use it ideally within the year. If you do store it the recommendation to keep the Amvista Squirm frost and damp free. Hope this helps