Shu'aib bin Abi Hamza شعيب بن أبي حمزة · The Book of Agriculture

"Ya'la bin Al-Hakim wrote to me (saying): 'I heard Sulaiman bin Yasar narrating from Rafi' bin Khadij, who said: "We used to lease land on the basis of Al-Muhaqalah, leasing it in return for one-third or one-quarter of the yield, and a specified amount of food (produce)."'"

"We used to lease land on the basis of Al-Muhaqalah during the time of the Messenger of Allah." He said that one of his paternal uncles came to them and said: "The Messenger of Allah has forbidden me to do something that was beneficial for us, but obedience to Allah and His Messenger is more beneficial." We said: "What is that?" He said: "The Messenger of Allah said: 'Whoever has land, let him cultivate it (himself) or give it to…

"I do not know that Shuraih ever ruled on Mudarabah disputes except in two ways. He would say to the Mudarib (the one who contributed his labor to the partnership): 'You must provide proof that a calamity befell you so that you may be excused.' Or he would say to the one who invested his money in the partnership: 'You must provide proof that your trustee betrayed his trust, otherwise his oath sworn by Allah that he did not betray…