(12) باب صَدَقَةِ الزَّرْعِ
Narrated Jabir bin 'Abdallah :
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.
Reference: Sunan Abi Dawud 1597
In-book reference: Book 9, Hadith 42
English translation: Book 9, Hadith 1593