overcrop

from WordNet (r) 3.0 (2006)
overcrop
    v 1: to exhaust by excessive cultivation; "the farmers
         overcropped the land" [syn: {overcrop}, {overcultivate}]
from The Collaborative International Dictionary of English v.0.48
overcrop \overcrop\ v. t.
   to exhaust (arable land) by excessive cultivation.

   Syn: overcultivate.
        [WordNet 1.5]
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