Reference for Chullin 229:8

(דברים כב, ט) פן תקדש פן תוקד אש מכלל דכלאי זרעים שרו

Should not [the produce of a field sown with] diverse kinds of seeds be forbidden, since I have declared it to be abominable to you?<span class="x" onmousemove="('comment',' Cf. Lev. XIX, 19. Nevertheless the produce of diverse kinds of seeds sown together is permitted to be eaten; v. Kil. VIII, 1. ase, at seu,');">⁶</span>

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