Abdullah bin Mubarak عبد الله بن المبارك · The Book of Agriculture

"Ibn 'Umar used to lease his land in return for some of its produce. Then he heard that Rafi' bin Khadij warned against that. He said: 'The Messenger of Allah forbade that.' He said: 'We used to lease our land before we came to know Rafi'.' Then he (Ibn 'Umar) became unsure, so he put his hand on my shoulder and we went to Rafi'. 'Abdullah said to him: 'Did you hear the Prophet forbid leasing land?' Rafi' said: 'I…

"I heard Ibn 'Umar say: 'We used to sell grain before it was ripe and before it was evident that it was free of disease and blight (by means of Al-Mukhabarah). We did not see anything wrong with that, until Rafi' bin Khadij said that the Messenger of Allah had forbidden Al-Mukhabarah.'"

"Muhammad used to say: 'In my view land is like the wealth put into a Mudarabah (limited partnership) contract. Whatever is valid with regard to the wealth put into a Mudarabah partnership, is valid with regard to land, and whatever is not valid with regard to the wealth put into a Mudarabah partnership, then it is not valid with regard to land.'" He said: "He did not see anything wrong with giving all of his land to the plowman on…