You will still need to dig that horseradish out by hand or use weedkiller first. In my experience rotavators are good at mixing compost into top soil but not good where there are a lot of weeds. My (ex) husband thought he was being helpful rotavating the front. Two thousand centaurea montana plants later.....
That’s what’s happened I had a lawn I rotavatored it then left it now I have no lawn just all weeds I will chop them down spray them and dig them up then turn the whole garden over put top soil down to level off bumpy bits and lay turf thank you for all your advice
Do not chop down.. weedkiller works by photosynthesis, you need the leaves.
As an extra ‘hit’ for the horseradish I would wait until all top growth is dead and then chop of the stem an inch below soil level, the exposed root top should then be dosed with neat concentrated weedkiller. I’m a great advocate of ammonium sulphamate as a weedkiller, but due to EU regs it is now only sold as a compost accelarator, still works as a weedkiller just you can’t call it weedkiller.
imo it is pointless rotovating the area if you are going to turf it, you are just making extra work for yourself. Level off the area with topsoil, tread it down, rake it flat and turf it
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As an extra ‘hit’ for the horseradish I would wait until all top growth is dead and then chop of the stem an inch below soil level, the exposed root top should then be dosed with neat concentrated weedkiller. I’m a great advocate of ammonium sulphamate as a weedkiller, but due to EU regs it is now only sold as a compost accelarator, still works as a weedkiller just you can’t call it weedkiller.
imo it is pointless rotovating the area if you are going to turf it, you are just making extra work for yourself. Level off the area with topsoil, tread it down, rake it flat and turf it