the Messenger of Allah said: "For what is watered by the heavens and steams, the Ushr is due, and for what is watered by irrigation, half of the Ushr."
قَالَ رَسُولُ اللَّهِ ﷺ فِيمَا سَقَتِ السَّمَاءُ وَالْعُيُونُ الْعُشْرُ وَفِيمَا سُقِيَ بِالنَّضْحِ نِصْفُ الْعُشْرِ قَالَ وَفِي الْبَابِ عَنْ أَنَسِ بْنِ مَالِكٍ وَابْنِ عُمَرَ وَجَابِرٍ