Deuteronomy 22:9 - “You shall not sow your vineyard with different kind of seed, lest the yield of the seed which you have sown and the fruit of your vineyard be defiled.”
This regulation was taken literally by the Israelites in the Old Testament period, but we understand that every command in the law pointed to Jesus and the Work of Salvation, which he now accomplishes through the Holy Spirit. John 5:39 “You diligently study the Scriptures because you think that by them you possess eternal life. These are the Scriptures that testify about me.” Colossians 2:17, “These are a shadow of the things that were to come; the reality, however, is found in Christ.”