Commercial Transactions (Kitab Al-Buyu)
Dawud :: Book 22 : Hadith 3394
Narrated Rafi' ibn Khadij:
The Apostle of Allah (peace_be_upon_him) forbade muhaqalah and muzabanah. Those who cultivate land are three: a man who has (his own) land and he tills it: a man who has been lent land and he tills the one lent to him; a man who employs another man to till land against gold (dinars) or silver (dirhams).