Otaku Engineer in Great Tang Dynasty

　　 There is a modern song called "The Descendants of the Dragon". There is a line in this song that reads: "There is a river in the far east, and its name is the Yellow River..."

The Yellow River, the mother river of the Chinese nation, this surging mother river gave birth to the brilliant Chinese civilization, but she has never been a "good mother". The continuous diversion and flooding in history have brought countless times to the people of the Yellow River Basin. A devastating disaster. Even in the modern age of the 21st century, there are still a large number of floating corpses on the Yellow River!

　　 Throughout the development of human civilization, it is actually a history of struggle between man and nature. There is harmony and coexistence. With the vigorous development of the Chinese civilization in the Yellow River Basin, more and more human activities and the ever-expanding population will develop into floods without accident.

　　 Judging from the dynasty changes in Chinese history, the Yellow River Basin has been in a cycle of decline-war-reconstruction-prosperity-decline. Every new round of prosperity is a new round of disaster for nature. As the agricultural civilization of the Han culture shifted more and more southward, the sediment accumulated for hundreds of years finally ushered in a new round of outbreaks.

　　 In the Ming and Qing dynasties, the Yellow River breached and changed course more frequently.

According to the "Introduction to the Ming and Qing Dynasties", in the 277 years of the Ming Dynasty alone, the number of breaches and diversions of the Yellow River reached an astonishing 456, which occurred once every seven months. . In the 1,500 years from the Eastern Zhou Dynasty to the end of the Tang Dynasty, the number of bank bursts in the entire Yellow River Basin was only more than 60 times. On average, only one bank burst or flood occurred in 25 years!

While the 　　 river floods claimed millions of lives, they also caused a large number of refugees to flee and population migration, forming a population flow of "large disasters, small disasters". Among the more than 60 million registered population in the Ming Dynasty, about one tenth became a refugee. Not only did they live in an unsettled place and wander in a foreign country, but they also suffered from famine and starvation.

　　 The worst was the Henan area. In the early Ming Dynasty, 72% of floods occurred in Henan Province!

Of course, if this is the case, the imperial court spends countless amounts of money on building river embankments and treating floods every year. During the Ming Dynasty, the annual cost of building river embankments and treating floods reached about 10% of the imperial government’s fiscal revenue. During the Qing Dynasty, this ratio once reached 20%!

　　 In the Ganlu Hall, the atmosphere suddenly became tense.

　　 Li Er asked with an ugly face, "There will be floods in Luoyang in nine years~? Li Zexuan, Ling Xuzhen really had this prediction before his life~?"

The five ministers in the hall looked at Li Zexuan with scorching eyes. The Yellow River burst and flooded Luoyang. This is not a trivial matter, and the real person Lingxu has been infinitely mythical by many people, and the prophecies made by him have to People pay attention!

　　 Last year, Li Zexuan said that in June this year, a locust plague would break out in the Guanzhong land. Eventually, the military commander group headed by Qin Qiong and Cheng Yaojin stepped forward to guarantee that the imperial court sent a fleet to trade and exchange food.

　　 At that time, Changsun Wuji and a group of civil servants felt that even if the locust plague would not break out as scheduled, the court would not lose money for such a low price in exchange for so much food from a small South Asian country! And everyone can predict that the decisive battle between Datang and Turks will be within a few years. Even if there is no locust plague, Datang will need a lot of food and grass to prepare for the battle!

　　 So they also agreed to Li Zexuan's Guangtun grain policy!

　　 But now Li Zexuan also said that Luoyang will be flooded in nine years, causing the whole city to be flooded. Is it worth it?

　　 You must know that Luoyang City's status in Datang is second only to Chang'an. Luoyang was established as the eastern capital in the first year of Emperor Yang of the Sui Dynasty. After Li Yuan established the Tang Dynasty, he made people build palaces in Luoyang. Afterwards, Wu Zetian, who had already taken over the power, directly took the eastern capital to Luoyang. The name was changed to the capital of God, which shows that Luoyang played an important role in the Tang Dynasty!

　　Chang'an City is the political center of Datang, while Luoyang is the economic and cultural center of Datang! Although the population of Luoyang City is not as large as that of Chang'an, it is not far away, with a population of at least 700,000 or 800,000!

　　 If Luoyang City was flooded, the loss would be really too great!

Under the gaze of everyone, Li Zexuan bowed his hand to Li Er with a solemn expression: "Your Majesty, it's a matter of great importance, and the ministers dare not say anything! The teacher said that in the eleventh year of Zhenguan, the yellow gas was overwhelming, the heavy rain, the overflow of the valley, and the Luoyang Palace, four feet deep, destroyed Zuoyemen and ruined palace temples~!"

　　The matter is very important. Li Zexuan does not dare to talk nonsense. According to the official history, Luoyang City will indeed be flooded in July of the 11th year of Zhenguan, but these words are not spoken by the real person of Lingxu, but written in history books!

　　 "What? Water enters Luoyang Palace?"

Hearing what Li Zexuan said was really serious, as if he had seen it with his own eyes, Li Er’s face was immediately covered with a layer of haze, the Luoyang Palace is so high, if even the Luoyang Palace was flooded by four feet, wouldn’t the folks know it? The flood is so terrible, millions of dead bodies?

　　 "Then if it is according to your words, planting trees in the Yellow River Basin, can the Luoyang flood disaster be avoided in nine years~?"

　　 The city of Chang'an last year was snow-free for the whole winter. This year's locust plague is almost a foregone conclusion. Regarding Master Li Zexuan’s prediction of the real person, Li Er dare not ignore.

Li Zexuan pondered for a moment, and said, "Your Majesty, it is so-called ten years of trees and a hundred years of tree people. It takes not one or two days for a sapling to grow into a big tree. Improving the soil structure of the Yellow River Basin will definitely not be completed within one or two years. of!

　　Chen cannot guarantee that planting afforestation will change the fate of Luoyang's flooded city nine years later, but compared to building dams and disaster relief, afforestation is definitely the most effective and cheapest way to manage the Yellow River at the moment!

Once there is a large-scale shelter forest in the Yellow River Basin~www.ltnovel.com~ The sediment content in the Yellow River will be greatly reduced. Even if the Luoyang flood in nine years cannot be avoided, it may occur in ten or twenty years. Hanging rivers on the ground, dams and dykes will not appear easily anymore! This is a matter of merit for the present and future generations. Your Majesty is wise and martial and has lofty ambitions. The minister hopes that His Majesty can make a cautious decision! "

　　 Although the number of floods in the Yellow River in the Tang dynasty is indeed more frequent than in the previous dynasties, compared to the later Song, Ming, and Qing dynasties, the floods in the Tang dynasty can be said to be infrequent and not serious at all!

However, as a descendant of the Yellow River, as a traverser who knows the future, since he is reborn in such an open and inclusive era, Li Zexuan feels that he has the responsibility to treat the Yellow River when the Yellow River has just begun to become dirty, so that it can be avoided. Tens of millions of Han Chinese died in the flood in future generations!

　　 Those people who died in the floods of the Yellow River are all his compatriots!

　　His Tang Dynasty, no regrets are allowed! Therefore, Li Zexuan took a lot of effort and a lot of talk to persuade Li Er, persuading the empire’s princes, and believe that his afforestation and waterproofing policy may not be possible for thousands of years. Some people remember Yongan Hou Li Zexuan, but those who grew up drinking water from the Yellow River can remember him as the initiator of afforestation!

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