It is narrated from Sayyiduna Amr bin Awf bin Milhah al-Muzani (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Whoever revives dead (barren) land, it belongs to him; and an unjust root has no right."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 14077