Yielding is entirely dependent on the class of land. Additional fields in the abundance of water can only help a little yield, but is not essential for good yields. Plantations are usually established on the lands of the class V to III. Shape of the yield depending on the class of land from 12 to 21 tonnes from a hectare per year after ukorzenieniu the right shape and crown. Of course, additional supply of plantation fertilizers or sludge will increase the annual yield indicated.