صحیح ابن حبان
Ibn Hibban
كتاب الزكاة
Book of Zakat
باب العشر - ذكر البيان بأن الصدقة إنما تجب في الحبوب والتمر العشر إذا كان سقيها بعد النضح والسانية ونصف العشر إذا كان بهما
Chapter: Ushr (Tithe) – Clarifying That Charity is Due on Grains and Dates: Ushr if Watered by Rain, Half Ushr if by Irrigation
1 hadith
Hadith 3287
Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) narrates: For (land or produce) irrigated by rain, river, or spring, the Prophet Muhammad (peace be upon him) made the payment of one-tenth obligatory, and for that which is irrigated by bringing water on camels, he made the payment of half of one-tenth obligatory.