Sahih Bukhari Volume 3, Book 39, Hadith Number 533.

Narated By Jabir : The people used to rent their land for cultivation for one-third, one-fourth or half its yield. The Prophet said, “Whoever has land should cultivate it himself or give it to his (Muslim) brother gratis; otherwise keep it uncultivated.”

Narrated Abu Huraira: Allah’s Apostle said, “Whoever has land should cultivate it himself or give it to his (Muslim) brother gratis; otherwise he should keep it uncultivated.”