Although Liaodong was pacified, the weapons and equipment of the Ming army were still increasing.

Some are not necessary, such as artillery, not to mention Jiannu and Mongolian tribes, they may be ranked first in the world.

There is also this windproof goggles, which are very useful when the wind is cold. But without it, the Ming army has powerful combat power.

But the emperor was not satisfied. Since he could build it, don’t equip the troops to save money. Defend the country and take blood on the battlefield. The efforts of soldiers should be respected and rewarded.

The truth is the same. Although Jiannu could no longer pose a threat, the emperor would not tolerate the existence of the accumulated traits of the Ming Dynasty and stopped the pace of reform and cheer up.

The Ming Dynasty was far from what the emperor thought, and the army built with a lot of money did not play its due role.

The army and the navy are all the same. They have not become the sword to expand territory and have not gained enough living space for the people of billions of dollars.

Although the Ming Empire was vast and vast, its population continued to grow and its land volume stagnated. The so-called "few people who have it were born, and many people who eat it" was actually not an unfair worry in ancient times.

A large population census is necessary. Even if the country has a population, it is impossible to formulate a scientific development strategy.

According to the emperor's estimate, the current population of the Ming Dynasty was at least 150 million, which is still an inaccurate average. At most, it is possible to exceed 200 million.

According to the amount of cultivated land and planting level at that time, as well as the yield per mu, it was already a bit difficult to make these nearly 200 million people have enough food.

What's more, there are the upcoming major disasters, and the food shortage will be even worse.

Of course, the advance promotion and planting of crops such as potatoes, corn, rye, and sweet potatoes can solve a big problem.

However, in the era of peace, the population growth rate basically remained between five percent and ten percent, or even more than ten percent.

Now, there should be no wars in the late Ming Dynasty, and there are measures to overcome major disasters. The emperor is still increasing the prevention and control of sanitary epidemics. Therefore, the population will not drop significantly, but will increase in a large amount.

However, isn’t this population growth rate a bit horrible?

The emperor took the "Complete Book of Agricultural Affairs" on the book and asked in confusion: "Xu Qing, what is written in this book, 'The rate of life increases by about 30 years. It will not be reduced unless there is a large military revolution.', which is accurate?"

Xu Guangqi bowed and said, "Long live, this is the conclusion drawn by the Wei minister after studying the population of the royal family. There may be errors, but it should not be too big."

"Xu Qing said in detail." Although the emperor asked, he felt something was wrong.

Xu Guangqi said: "In Hongwu, fifty-eight male and female relatives were below the prince. In Yongle, one hundred and twenty-seven were in office, which was twice as much as thirty years. At the beginning of Longqing, there were 45,000 people under the jurisdiction of the registry, and twenty-eight thousand people who survived;"

"There are 100,300 people under the Jiawu period of Wanli, and 62,000 people under the survivors, which is more than twice as many as thirty years. In the past year, there are 130,000 people under the Jiachen period, but the remaining 80,000 people under the survivors, which is one third in ten years, which is more than twice as many as thirty years."

The emperor blinked his eyes slowly, thought for a while, and shook his head and said, "Xu Qing is a bad person! The marriage of the royal family is often polygamous, which is very different from that of the common people."

After pausing, the emperor said again: "Thirty years may be just an average. It is normal to have a little less and a little more fluctuations."

The population growth rate is high and low, and the growth rate is fast and slow, which is normal.

Although Xu Guangqi used the royal population as an example and calculated that the data that doubled in 30 years was not accurate enough, it still has a good reference function.

Whether it is more than 20 years or more than 30 years, the emperor believed that his life should be able to witness the Ming Dynasty's population exceeding 300 million.

It is only more than 100 million now, and the land is not enough; the situation will be serious if the population doubles.

In fact, with the promotion and planting of new crops, it is still possible to support 300 million to 400 million people. But is it just a prosperous era of drinking corn porridge and eating sweet potatoes and eating potatoes?

Moreover, 300 million and 400 million cannot satisfy the emperor.

What about Malthus's "Theory of Population", go aside. A large population means more labor, a wide source of troops, and a lot of taxes.

Although the population is not absolutely equated with the country's strength, it is indeed a good reference in most cases. It is easy to do things with many people, and "populationism" is still very reasonable.

Xu Guangqi bowed to the teachings, although he did not agree very much.

"Next year, a census will be conducted based on counties." The emperor pondered: "The population must be roughly equivalent to arable land, so that the fight against major disasters will be more powerful."

Xu Guangqi thought for a while and said, "I think that policies on immigration can be introduced. Those who have no land and are difficult to survive will naturally respond. There is no need to go to far places and adjust nearby provinces, which may be the best for the people to accept."

Be safe and relocated, or be safe and relocated!

The emperor was also a little helpless. He left his hometown or moved away from home, which was a last choice for many ordinary people.

In fact, the emperor was more willing to call long-distance migration an adventure, and would vigorously promote it for a considerable period of time.

As Xu Guangqi said, only if you can't survive will you respond positively. There is clear evidence in history that going through Guandong, going west, and going to Southeast Asia are all adventures of seeking life in death?

However, the effect of nearby provinces is still very limited. For provinces such as Henan, Shaanxi, Northern Zhili, Shandong, etc., there is almost no idle land or unreclaimed wasteland.

Liaodong is OK, but it is best to have a year of rest and rest. If you immigrate on a large scale immediately, the court will be burdened with a heavy burden.

"Submit the memorial, let's discuss it first!" The emperor reluctantly agreed. After all, it is also a solution. Even if it is small, it is better than nothing.

After taking pictures of the book again, the emperor added: "There is also the complete book of agricultural affairs, complete the book as soon as possible, modify it as soon as possible, and publish the book as soon as possible!"

The three of them showed the emperor's urgent need for agricultural affairs as soon as possible and also affirmed the book.

Although there are several large-scale agricultural books, such as "Qimin Yaoshu" by Jia Siyi of the Northern Wei Dynasty, "Agricultural Book" by Wang Zhen of the Yuan Dynasty, etc., the focus is on production technology and knowledge, which can be said to be purely technical agricultural books.

The Complete Book of Agricultural Affairs contains unusual content such as reclamation, water conservancy, wasteland and other things, and accounts for nearly half of the space.

Taking the "Wild Policy" as an example, although other large agricultural books occasionally talk about one or two types of waste preparation crops, and even the "waste preparation theory" began to appear in the "Wild Preparation" of Yuan Wang Zhen's "Wild Preparation" but the article was very small.

However, the "Wild Policy" as a single picture is regarded as eighteen volumes, which is the highest among the twelve pictures of the book.

In the project, we also reviewed the discussions and policies of the past dynasties, counted the flood, drought and insect disasters, analyzed the disaster relief measures and their pros and cons, and finally included 414 plants that can be used to satisfy hunger.

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Chapter completed!