حَدَّثَنَا عَلِيُّ بْنُ الْمُنْذِرِ، حَدَّثَنَا مُحَمَّدُ بْنُ فُضَيْلٍ، عَنْ مُسْلِمٍ الأَعْوَرِ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ لَمَّا افْتَتَحَ رَسُولُ اللَّهِ صلى الله عليه وسلم خَيْبَرَ أَعْطَاهَا عَلَى النِّصْفِ ‏.‏

It was narrated that Anas bin Malik said: “When the Messenger of Allah (PBUH) conquered Khaibar, he gave it (to its people) in return for half (of its yield).” Translation Not Available

Book Ref: Sunan Ibn Majah Book 16 Hadith 2469
Web Ref:  Sunan Ibn Majah Vol 3 Book 16 Hadith 2469