>>1475680>>1475689>>1475698Get them cut down for cheap then use the wood to make hugelkultur beds,
https://www.permaculture.co.uk/articles/many-benefits-hugelkulturJust don't dig a deep trench. You can make a normal raised bed with the wood in the bottom then heap on the soil. Making raised beds of any kind mitigate any chemical problems with the original soil.
