Muwatta Malik 1427
موطأ مالك#1427SahihYahya related from Malik from Hisham ibn Urwa from his father that the Messenger of Allah, may Allah bless him and grant him peace, said, "If anyone revives dead land, it belongs to him, and the unjust root has no right." Malik explained, "The unjust root is whatever is taken, or planted without right
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliSahih
In-book reference: 36:29