The Messenger of Allah(ﷺ) as saying A tenth is payable on what is watered by rain or rivers or brooks or from underground moisture and a twentieth on what is watered by draught camels.
Sunan Abi Dawud Book 9, Hadith 41
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Sunan Abi Dawud Book 9, Hadith 40 Next Hadith → The Messenger of Allah(ﷺ) as saying A tenth is payable on what is watered by rivers and brooks or from underground moisture and a twentieth on what is watered by draught camels.

Sunan Abi Dawud Book 9, Hadith 42