بَيْعِ الثَّمَرِ حَتَّى يَبْدُوَ صَلاَحُهُ وَنَهَى عَنِ الْمُخَابَرَةِ كِرَاءِ الأَرْضِ بِالثُّلُثِ وَالرُّبُعِ
It was narrated from Ibn 'Umar and Jabir that the Messenger of Allah forbade selling fruits until it was clear that they were free of blemish, and (he forbade from) Al-Mukhabarah; leasing land in return for one-third or one-quarter (of the yield).