Abdullah b. Umar (Allah be pleased with them) reported that Messenger of Allah ﷺ returned to the Jews of Khaibar the date-palms of Khaibar and its land on the condition that they should work upon them with their own wealth (seeds, implements), and give half of the yield to Messenger of Allah ﷺ.
عَنْ رَسُولِ اللَّهِ ﷺ أَنَّهُ دَفَعَ إِلَى يَهُودِ خَيْبَرَ نَخْلَ خَيْبَرَ وَأَرْضَهَا عَلَى أَنْ يَعْتَمِلُوهَا مِنْ أَمْوَالِهِمْ وَلِرَسُولِ اللَّهِ ﷺ شَطْرُ ثَمَرِهَا