Although people eat jujube as fruit now, it was really an important food in the past. As early as the Warring States period, it was recorded in Han Feizi that there was a famine in the State of Qin, saying that "the grass in the five gardens: vegetables, acorns, dates and chestnuts are enough for the people, so please send them". When Su Qin went to lobby the state of Yan, he mentioned that "there are dates and chestnuts in the north, although the people can't cultivate them."
One more thing is worth mentioning. Xin Qiji said: "Northerners don't want other people's health care, so they live in poor families. The south is mostly sick farmers, but it is prosperous, and the rich and the poor are not embarrassed. " Everyone has planted trees, so there is no need to go out to buy and sell. It is also conducive to narrowing the gap between the rich and the poor and social stability. Do you think the emperor is happy? In addition, we have a tradition of eating dates since ancient times. Let's read The Book of Songs, which reflects the simple life of working people in China. Among them, the wind is in July: the fire is full in July and clothes are given in September. The first day I was fat, the next day I was fierce. No clothes, no brown, why did you die? On the third and fourth day, I stood on tiptoe. With my daughter-in-law, we are very happy to see each other in the south. Fire is full in July, and clothes are delivered in September. In spring, the sun shines and Amin is in the sky. The woman took the basket and followed it. Love looks for soft mulberry, and spring comes late. Take Qi Qi for example, this woman is sad in her heart, almost like her son. Fire is full in July and reeds are full in August. Silkworm, moon, mulberry, take axe fork, cut far and wide, as the mother mulberry. Singing in July, achievement in August. Xuan zai Huang, I, for the childe petticoats. Beautiful in April, singing in May. Harvest in August and crush in October. A day to raccoon, fox, for the child. The next day, they were still the same, carrying martial arts. Talk in private, offer in public. In May, I moved stocks, and in June, I raised feathers. Wild July, in August. I was at home in September, and crickets came under my bed in October. The dome suffocated the mouse, stuffed it in, licked my wife and son, and said that I would enter this room in another era. In June, food is depressing and stinging, and in July, hunger is speechless. Peel dates in August and get rice in October. To this end, spring wine is used to celebrate longevity, eating melons in July and breaking pots in August. In September, Uncle Zhu paid for tea picking and ate my peasant woman. Build a yard in September and harvest crops in October. The millet is heavy, and the grass is shelled. Well, I am a farmer. Because I have the same crops, I went to work in the palace. The day is in the grass and the night is in the rope. I was so anxious to hitch a ride in the house that I began to broadcast Baigu. The next day, I cut the ice and rushed, and on the third day, Lingyin was satisfied. On the fourth day, its flea sacrificed the lamb to the leek. First frost in September, washing the floor in October. A friend who drinks wine kills a sheep every day. When you go to court, you are called a man and live forever.