一、花生的性状和生态类型花生是我国的主要油料作物之一。花生种子含油量高,含油率44～54％,出油率一般为40％左右,花生含蛋白质24～36％,并含有多种维生素,是广大人民喜爱的食品和油料。榨油后的花生饼营养价值很高,去壳冷榨的饼粕可做果点,热榨的次等饼粕是牲畜的精饲料。花生茎叶含12～14％蛋白质,42～47％碳水化合物,是发展大牲畜和养猪的一种好饲草。 First, the characteristics of peanuts and ecological types Peanut is one of China’s major oil crops. Peanut seeds contain high oil content, oil content 44 ~ 54%, the oil yield is generally about 40%, peanut protein 24 ~ 36%, and contains a variety of vitamins, is the majority of people’s favorite food and fuel. After pressing the peanut cake high nutritional value, hulled cold pressed cakes can do the point, the second pressing of hot pressed livestock feed. Peanut stem and leaf contain 12 to 14% protein, 42 to 47% carbohydrates, is a good forage for the development of large livestock and pigs.