Yahya bin Aadm bin Sulaiman يحيى بن آدم بن سليمان · The Book of Agriculture

"Some people had some extra land which they leased out in return for half of the yield, or one-third, or one-quarter. The Messenger of Allah said: 'Whoever has land, let him cultivate it, or give it to his brother to cultivate or keep it (without cultivating it).'"