Jujube was an important auxiliary food and important fruit in Song Dynasty,which was in-cluded in the national development strategy.Officials actively promoted the policy of planting date trees,and as one of the evaluation indicators of local officials,issued the earliest existing ban on cutting date trees in history.Jujube forest was mainly distributed in Jiangbei area,the quality of Jingdong Qingzhou,Hedong Jin,Jiangzhou was the best,the output in addition to Jingdong,Hedong and Hebei,Huainan.Two Zhejiang ju-jube production was also more,other areas have sporadic planting.In the north and some parts of the south-east,jujube was often used for meals and as a reserve of materials for war preparedness,and the official has used jujube as a military material.No matter fresh jujube or dried jujube,it was the Song people's ration fruit.A large number of fresh jujube and dried jujube sellers in the north went to the city and the south,and the folk gave jujube as a gift.Jujube has always been an important food and commonly used medicine for health,and jujube vinegar has emerged.Jujube trees were widely used as high-quality wood,mostly for ship-building,printing and engraving.Jujube was often used as sacrificial offerings and incense spices,with sa-cred.Red dates have always been the name of the heart,symbolizing sincerity,in the homophonic meaning as early to use.The economic value,medical value and cultural value of jujube deserve our attention like the people in the Song Dynasty.
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