Just wondering if anyone has any suggestions with what to do with about .5 of an acre that is east facing, right next to a stream that is a water source, so no live stock. But.... the "soil" is mostly sand and has unfortunately disintegrating plastic tarps mixed in the sand.
Right now I have asparagus there but its not doing great....
If they are not physically obstructing your cultivation of the land I would just leave them alone. They are essentially inert, but will continue breaking down slowly in your soil. We have some areas with old disintegrated landscaping black plastic - horrible fibrous stuff. I just pick up bits as and when they poke their heads up, but haven't made any special effort to remove them.
I'd be more concerned about the excessive sand - you'll need to add lots and lots of organic matter to start building soil. Look at getting hold of wood chip from local tree surgeons, and focus on amending one area really well, rather than adding small amounts over the whole area.
If you haven't already seen it take a look at the video 'back to Eden' which deals with using wood chips to garden over originally poor soil.
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