| http://www.w3.org/ns/prov#value | - The only work of Ibn al-Bann????? of some agricultural interest is his Kit??b al-anw????? (known also as Ris??lah f?? al-anw?????), an astronomical calendar in the almanac tradition based on the heliacal rising of stars or constellations and the acronychal setting of their opposites and the meteorological conditions, especially rainfall, associated with them.
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