´It was narrated that Mu'adh said:` "The Messenger of Allah sent me to Yemen and he commanded me to take one-tenth of whatever is irrigated by the sky, and half of one-tenth of whatever is irrigated by means of buckets."
Hadith ReferenceSunan an-Nasa'i / The Book of Zakah / Hadith: 2492
Hadith Gradingالألبانی:حسن صحيح | زبیر علی زئی:حسن
Hadith Takhrij«تفرد بہ النسائي، (تحفة الأشراف: 11313)، وقد أخرجہ: سنن ابن ماجہ/الزکاة17 (1818) ، مسند احمد 5/233 (حسن صحیح)»