I heard the Messenger of Allah (ﷺ) say: If any of you does not leave mukhabarah, he should take notice of war from Allah and His Apostle (ﷺ).
Sunan Abi Dawud Book 23, Hadith 81
← Previous Hadith The Messenger of Allah (ﷺ) forbade muzabanah, muhaqalah and thunya except it is known.

Sunan Abi Dawud Book 23, Hadith 80 Next Hadith → The Messenger of Allah (ﷺ) forbade mukhabarah. I asked: What is mukhabarah ? He replied: That you have the land (for cultivation) for half, a third, or a quarter (of the produce).

Sunan Abi Dawud Book 23, Hadith 82