Zayd bin Abi al-Zrqa'a زيد بن أبي الزرقاء يزيد · Commercial Transactions (Kitab Al-Buyu)

The Messenger of Allah (ﷺ) conquered Khaibar, and stipulated that all the land, gold and silver would belong to him. The people of Khaibar said: we know the land more than you ; so give it to us on condition that you should have half of the produce and we would have the half. He then gave it to them on that condition. When the time of picking the fruits of the palm-trees came, he sent 'Abd Allah b. Rawahah…