Zakat on crops is a type of wealth on which zakat is obligatory, including what grows from the earth of the plantations, if it reaches the nisab, which is five wasqs, clean without husk. ... According to the Hanafi school, zakat is obligatory on the harvest of everything the earth produces. The nisab for crops is five wasqs, and a wasq by Sharia is sixty sa', and a sa' is four muds (as per the Medina standard).