Deuteronomy 22:9-11

Young's Literal Translation

⁹ `Thou dost not sow thy vineyard [with] divers things, lest the fulness of the seed which thou dost sow, and the increase of the vineyard, be separated.

¹⁰ `Thou dost not plow with an ox and with an ass together.

¹¹ `Thou dost not put on a mixed cloth, wool and linen together.