The process of allowing seed potatoes to develop visible sprouts before planting; or the present participle of chit (to communicate via note).
From 'chit,' with present participle suffix '-ing.' In gardening contexts, it's specialized horticultural terminology.
Chitting seeds is a gardening secret that makes an enormous difference—letting potatoes develop sprouts before planting dramatically increases yield, but it's hidden in this one word that most non-gardeners never encounter.
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