The Prophet ﷺ made a deal with the people of Khaibar that they would have half the fruits and vegetation of the land they cultivated.  

عَامَلَ النَّبِيُّ ﷺ خَيْبَرَ بِشَطْرِ مَا يَخْرُجُ مِنْهَا مِنْ ثَمَرٍ أَوْ زَرْعٍ