They also harvested and processed nuts and wild berries. Grapes are either harvested mechanically or by hand. Pine nuts have been harvested from wild trees for far longer. The majority of harvested maca is dried. They have harvested wood for timber and charcoal. Roughly of leaves were harvested per hectare, six times per year. Sugarcane is harvested by hand and mechanically. Fruit is harvested locally for pies and jams. The US harvested of sugar beets in 2008. Immature, dark green pods are not harvested. Olives are harvested in the autumn and winter. The world harvested of sugar beets in 2013. The delicate strawberries are still harvested by hand. Some 14 species are presently being harvested. It must be harvested before the flowering.