"The Messenger of Allah enjoined Zakah of Ramadan upon the free and the slave, male and female, a Sa of dates or a Sa of barley, so the people considered that equivalent to half a Sa of wheat."
Sunan an-Nasa'i Book 23, Hadith 66
← Previous Hadith "Hilal came to the Messenger of Allah with one-tenth of the honey and asked him to protect a valley for him that was called Salabah. 'The Messenger of Allah protected that valley for him. When 'Umar bin Al-Khattab became the Khalifah, sufyan bin Wahb wrote the 'Umar and asked him (about that), and Umar wrote: 'If the gives me what he used to give to the Messenger of Allah, one-tenth of his honey, I will protect Salahab for him, otherwise they are just bees and anyone who wants to may eat of it."'

Sunan an-Nasa'i Book 23, Hadith 65 Next Hadith → "The Messenger of Allah enjoined Sadaqatul Fitr upon male and female, free and slave; a Sa of dates or a Sa of barley." He said: "The people considered that equivalent to half a Sa of wheat."

Sunan an-Nasa'i Book 23, Hadith 67