just taking a break from doing exactly that,I am envious of your weedless gardens. I am in a constant battle with the weeds! It's doesn't matter how much I put they never end. I till between the rows but they still come back within days and the hills are non-stop pulling.
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darn weeds ,
hard with close grown crops like garlic and shallots where you cant use straw mulch to suppress the weeds ,
im looking for a good source of sawdust to keep the soil covered at least and slow the weeds down ...
its a constant battle like you say devilweedseeds.