Li Yuan's purpose is simple.

It is one country and two rules in later generations, you and I divide the river and rule, money and grain can be recruited in the south, but it cannot manage the politics of the south, and the south must also retain a certain number of troops.

We are still collectively referred to as one imperial court, but there is a difference between the Northern Tang Dynasty and the Southern Tang Dynasty.

As for the inheritance of the Southern Tang Dynasty, Li Yuan didn't care, anyway, none of the heirs were his.

The corresponding price of immortality is that it is difficult to have children.

"Father's will." Li Shimin hesitated.

At the beginning of the Tang Dynasty, the political and economic centers were concentrated in the north, and the south was not as good as the north. Since ancient times, no South has been able to destroy the North.

Liu Jinu is still a little short.

If he reorganizes his army for war, he will definitely pacify the south in less than ten years.

But there have been so many things to do in the past ten years.

Moreover, attacking the father with the son is congenitally more passive. Of course, the most important thing is that the entire Datang is now a little unstable.

His legitimacy is being questioned.

This is something that is imminent.

"The emperor's will will be obeyed by the sons, and this world must be mine, not other people's." Li Shimin pursed his lips and said.

With a wave of his robe, he decided to leave, and it would be useless to stay now anyway.

In just a few months, the entire Datang fell apart, and he never thought of it.

Li Yuan smiled and shook his head.

He still hopes that this Zhenguan is the Tang Dynasty that all countries worship, not a weak court.

It's all about people.

There is still a lot of potential to be developed in the south, Jiangnan and Huguang are both granaries, and there is Southeast Asia, the Indochina Peninsula, but the world's famous granary, it is really ashamed not to get this treasure in the world.

You are in charge of the Yidi in the north, and he is in charge of the barbarians in the south.

After the alliance between the two sides, Li Yuan immediately issued an order to re-crown the King of Qin as the emperor, and the two ruled by dividing the river.

The north is called the Northern Tang Dynasty, and the southern one is called the Southern Tang Dynasty, of course, it is only a private name, and the official face is still unified Tang.

And Li Shimin also issued the same holy decree, and issued an order to pardon the crimes of Li Daozong and other Li Tang clans, and no clan can be punished if there is no rebellion.

Li Xiaogong, the king of Hejian County, breathed a sigh of relief when he heard the news, he didn't have any ambition to be the emperor, he just wanted to keep his family of five.

After returning to Yangzhou, according to the habits of the Southern Dynasty, it was natural to take Jinling as the capital, but the palace of Jinling had long been dilapidated, so the palace was repaired first.

In order to prevent Li Xiaogong from being the only one, Li Yuan had to move to Jinling first, privately recruit soldiers and horses by plundering the treasures of the White Lotus Sect, and set up twelve guards according to the specifications of Chang'an.

Forming a private army, everything makes sense.

Soon Li Yuan discovered that Li Xiaogong was really a minister, and he had no idea of replacing him, and he did not have the slightest idea of getting involved in the formation of the 30,000 new army.

It is not difficult to recruit 30,000 horses, the key is the officers of the army, so Li Yuan issued a holy decree to let the soldiers of the medical school come.

However, some of the medical school scholars were willing to come, and some were not.

There was no way, and the medical school also began to split into two branch campuses, north and south.

While allowing students to integrate into the new army, Li Yuan began to develop new farm tools.

The reclamation of land in the south is an important measure to improve the economy of the south.

Unlike the north, where the land is fertile, with two to three crops a year, and as long as you work a little harder, you can have no worries about food and clothing, while the land in the north is gradually barren and new farming methods are constantly being developed.

There is a big difference between the level of agricultural tools in the south and the north.

Li Yuan sent 300 men to Chang'an to find local farmers to learn from them, and then began to make them in the style of the Quyuan plough in his memory.

Many people have a misunderstanding that although Quyuan plough is a thing of the Tang Dynasty, it was roughly formed in the middle of the Tang Dynasty, and it was in the north, and the economic development of the south was not until the late Tang Dynasty and the Song Dynasty.

But the zigzag plough alone is not enough.

The southern part of the country is sparsely populated, and there is a large area of uncultivated farmland.

There was a saying in the Song Dynasty: Suzhou is ripe, the world is full.

There is also a saying in the Ming Dynasty: The lake is wide and ripe, and the world is full.

Although it is an exaggeration, it is enough to prove how fertile the soil of these two places is and how abundant the grain output is, but in the Tang Dynasty, there were still patches of forests, and miasma was rampant.

Reforestation!

Li Yuan immediately issued a holy decree, if you plant more than three years in the barren land cultivated in Huguang, then the five achievements of this barren land belong to you, and the remaining fifty percent belong to the imperial court, and enjoy three years of tax exemption, and the remaining public land is lent to the reclamation in the form of lease.

In short, you have the ability to cultivate as many fields as you want, and after three years of planting, half of it will belong to you, and the remaining half will be leased to you by the imperial court, and you will also enjoy the right to be exempt from taxation during these three years.

In the early years of the Northern Wei Dynasty, in view of the long-term war in northern China, the people were displaced, the hukou was migrated, and the fields were largely barren, and the state tax revenue was seriously affected. In order to ensure the source of state taxes, the Northern Wei government distributed the land under its control to the peasants, who paid taxes to the government and undertook a certain amount of conscription and military service.

The tax system implemented in the Tang Dynasty was mainly based on the collection of grain, cloth or service to the government, and was based on the implementation of the uniform land system. The content of the rent modulation is: every Ding must pay two stones to the state every year, which is called rent; Pay two zhang of silk, three taels of cotton or two zhang of cloth and five feet, three catties of hemp, called tune; If the state does not need its service, then each ding can pay 3 feet of silk or 3 feet 7 inches and 5 minutes of cloth every day, and pay the amount of 20 days to serve on behalf of the army, which is called Yong.

Although the equalization system is good, the fields are still limited, and each farmer has his own shrewdness and wants to be the owner.

In addition, the credibility of the Tang Dynasty court is still there.

As soon as this holy decree was issued, the people in the south immediately began to boil, and almost all of them dragged their families to Huguang, and then burned the land for afforestation and cultivated the fields.

Although the burning of the land has destroyed the environment, it was basically in an undeveloped area in ancient times, so is it important to have enough food or the environment?

But Li Yuan still felt almost, and after a little thought, he understood the reason, the ancient household registration policy determined that you can't run around, so he once again ordered that people everywhere can apply to the local government to go to Huguang to reclaim fields.

He even wanted to pat his head and propose to never give this measure.

But if you think about it, forget it, only the shameless people of the Manchu Qing Dynasty can put forward it if they don't add it, but there are a lot of taxes.

Li Tang still has to nod face, so this policy is abolished.

But Li Yuan is still worried about an ancient grain weapon, that is, Zhancheng rice.

In addition to Champa rice, Li Yuan also immediately asked the medical school to set up an agricultural college to study hybrid rice.

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