经济价值极高的灌木──榛子榛子为落叶灌木，高可达２米。其果实为小坚果。多作干果食用。核仁营养丰富，常用于制作糕点。果实榨油，含油量为５４．４％。果仁制的榛子乳、榛子脂，都是高级营养药；榛子林可保持水土，也是北方农田防护林的好树种。干和枝叶，含树脂较多... Highly economic shrubs - hazelnut hazelnut deciduous shrub, up to 2 meters high. The fruit is a small nut. More for dry fruit consumption. Nucleolus nutrient-rich, commonly used in the production of cakes. Fruit oil, oil content of 54.4%. Nuts made of hazelnut milk, hazelnut fat, are senior nutrition medicine; hazelnut forest to maintain soil and water, is also a good species of farmland shelterbelt in the north. Dry and leaves, containing more resin ...