The Prophet ﷺ said, "He who cultivates land that does not belong to anybody is more rightful (to own it)." ʿUrwa said, "ʿUmar gave the same verdict in his Caliphate."
عَنِ النَّبِيِّ ﷺ قَالَ مَنْ أَعْمَرَ أَرْضًا لَيْسَتْ لأَحَدٍ فَهْوَ أَحَقُّ قَالَ عُرْوَةُ قَضَى بِهِ عُمَرُ ؓ فِي خِلاَفَتِهِ