Area in shade will be soil (5)

I believe the answer is:

taint

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This clue might be a double definition.

'area in shade' is the first definition.
'taint' can be an answer for 'shade' (thesaurus). I'm unsure of the 'area in' bit.

'soil' is the second definition.
(I've seen this before)

'will be' is the link.

Can you help me to learn more?

(Other definitions for taint that I've seen before include "soil" , "Defect - contamination" , "Defile" , "Blemish" , "Evidence of pollution" .)

I've seen this clue in The Telegraph.

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