Tawus bin Kaysan طاوس · The Book of Agriculture

"Rafi' bin Khadij came to us and said: 'The Messenger of Allah has forbidden for you Al-Haql. Al-Haql is the third and the fourth. And Al-Muzabanah. Al-Muzabanah is to buy what is at the top of the date-palm trees in return for a certain number of Wasqs of dried dates.'"