buried black plastic is no joke ,have had to dig out buried sheet about 4 inches down from an area about 20 ft square.
the allotment I have was uncultivated for around 20 years and turns up a wealth of suprise items every time you stick the fork in.
I have rough dug mine and taken out all the roots I can see,some areas are now raised lasagne beds,some ordinary raised beds and the rest I am digging manuring and covering in black plastic and planting through holes,I am also trying spuds in stacked tyres on top of weed control fabric in areas where I haven't been able to remove the tree stumps yet
the allotment I have was uncultivated for around 20 years and turns up a wealth of suprise items every time you stick the fork in.
I have rough dug mine and taken out all the roots I can see,some areas are now raised lasagne beds,some ordinary raised beds and the rest I am digging manuring and covering in black plastic and planting through holes,I am also trying spuds in stacked tyres on top of weed control fabric in areas where I haven't been able to remove the tree stumps yet
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