Hello again.

Thanks for the replies. Fortunately the smith period did not develop yesterday (to cold for the humudity levels). Follow Sarzwix's link to the blight watch site, that's where all the info. about blight and smith periods can be found. Whilst there sign up for the warning service, you don't have to be a commercial grower.

Just a little historical footnote. Blight caused the loss of the potatoe crop in Ireland but not the death of people through starvation. That was caused by wealthy greedy British landlords who continued to export other foodstuffs from their stolen Irish land instead of feeding the people.

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It is the doom of man, that they forget.