Wheat Harvest. Ultra-Orthodox Jewish people keep the old Biblical tradition of harvesting and collecting the wheat by sickle. The wheat is preserved for a year and will be used for making unleavened bread in the next Passover. Separating the kernels from the chaff. Using an electric fan to separate the kernels from the chaff.. The wind hurl the light chaff and the grains (heavy) remains beneath and are collected for the Matzot