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THIS IS A BIT OFF SUBJECTWHY DID JOE SWIFT FROM GR WORLD PUT EGG SHELLS IN THE PLANTING HOLES OF HIS CAULYSJIM THE WORZ
Slugs do not like egg shells, but they would not help a lot if they were in the planting hole. I used to put rhubarb cubes in the planting holes of brassicas as I was told it helped keep clubroot away. I seemed to have more success than the neighbouring plots.