The Prophet (ﷺ) said: If anyone brings barren land into cultivation, it belongs to him, and the unjust vein has no right.
Sunan Abi Dawud Book 20, Hadith 146
← Previous Hadith The Prophet (ﷺ) gave az-Zubayr the land as a fief up to the reach of his horse when he runs. He, therefore, made his horse run until it stopped. He then threw his flog. Thereupon he said: Give him (the land) up to the point where his flog has reached.

Sunan Abi Dawud Book 20, Hadith 145 Next Hadith → The Prophet (ﷺ) said: If anyone brings barren land into cultivation, it belong to him. He then transmitted a similar tradition mentioned above (No. 3067).

He ('Urwah) said: One who transmitted this tradition to me said that two persons brought their dispute to the Messenger of Allah (ﷺ). One of them grew palm trees in the land of the other. He decided to return the land to its owner of the palm-trees to remove his palm-trees. He said: I saw when their roots were being struck with axes. The trees were fully grown up, but they were removed from there.

Sunan Abi Dawud Book 20, Hadith 147