Mi Yang handed over the command of the army outside the city to Zhang Nan, and he himself led his pro-army into Wudang City after Feng Xi took full control of Wudang City.

Although in order to control Wudang City, a part of the Han army began to settle in Wudang City.

However, Mi Yang did not let all the Han troops enter Wudang City, and he still left more than 10,000 troops in the north of the city to defend Wudang City.

When there are enough troops, it is necessary to leave a large army outside the city to fight each other with the city.

When Mi Yang led his pro-army into the city, the first thing he asked Yanping was, "Where is the granary in the city?"

Under Mi Yang's inquiry, Yanping immediately took Mi Yang to the granary located in the east of Wudang City.

In important cities, there are basically granaries.

In ancient times, there were places to store grain, such as Liao, Xuan, Jing, Jiao, Dou and so on.

Although the names are different, they all serve the same purpose, and they are all used to store grain.

Among them, the Liao, Yi and Jing are above-ground buildings, and the cellar and sinus are located underground.

Wudang County is located in a critical position, and it is the west gate of Nanyang County.

Because of the strategic significance of Wudang County in military affairs, although the scale of Wudang City is not large, there are four granaries built here.

It is currently September of the first year of Yankang, and it is the month of the autumn harvest.

As early as August, Cao Ren's military campaign against Hanxing County had already begun, so it stands to reason that there should not be much grain in the granary at present.

However, this situation only belonged to the princes Liu Bei and Sun Quan in the south, but the Cao Wei forces in the north did not have such restrictions.

Although Liu Bei and Sun Quan's combined territory was large, most of their territory was concentrated in the south of the Yangtze River, so most of the crops in their territory were mainly rice or wheat.

For Cao Wei, the Yellow River Valley, the origin of Chinese civilization, was in his sphere of influence.

Around the Yellow River Basin, it is very conducive to the cultivation of corn.

Corn is the millet of later generations.

The ancients often had a saying about five grains, and there were many different sayings for five grains in ancient times, the most important of which were two: one refers to rice, millet, millet, wheat, and soybean; The other refers to hemp, millet, millet, wheat, and soybean.

And the millet in the five grains refers to corn.

With the continuous changes in the history of China, the crops that are the main food of Chinese have also changed with the times.

However, during the Han and Han dynasties, corn was the staple food of the northern Chinese people.

There are various reasons why corn can become the staple food of the northern Chinese people.

Corn is drought-tolerant and poverty-tolerant, with stable yield, and is the only cereal crop in surplus in ancient times before the development of rice.

It is recorded in the "Treatise on Balance and Spontaneity": "If the Ximen leopard is filled with Zhangshui, then (millet) mu will be harvested one minute".

The yield of corn per mu is ten stones, which is converted into the current unit of measurement, and one mu produces 205 city catties of corn.

In the Han Dynasty, it was recorded in the "Second Year of Emperor Wen of the Former Han Dynasty" that "the harvest of 100 mu is only 300 stones", which is converted into the current unit of 281 city catties per mu, which is still a relatively poor situation.

The ultra-high yield ensured that corn occupied a pillar position in the social food structure before the Tang and Song dynasties.

Compared with the yield per mu of rice and wheat in the same period, the yield of corn is more than several times that of rice and wheat.

In addition, corn has the characteristics of a long storage time.

The shelf life of corn is as long as 9 years, while the shelf life of rice is only 5 years at most, which shows that corn is born as a material for military rations.

Historical records record that 20 years after the fall of the Sui Dynasty, the accumulated millet in the treasury of Chang'an was still edible.

Moreover, corn is eaten by people and horses in the military camp, and the energy contained in corn is very high.

During the Han Dynasty, in order to ensure the abundant physical strength of war horses, the concentrate feed added to war horses was corn.

According to the record of "Treatise on Salt and Iron": "One horse is in the middle of the house, and the six members of the family eat it, and one man dies."

1 war horse has to eat the rations of at least 6 people, and during the time of Emperor Wu of the Han Dynasty, the country had 400,000 horses.

If it weren't for the high yield of corn, Emperor Wu of the Han Dynasty would not have been able to raise so many war horses.

Corn ripens for a short period of time, and spring-sown corn can generally be harvested around summer.

Summer-sown corn is generally harvested around winter.

As early as this summer, when Liu Bei and Sun Quan in the south were still waiting for rice or wheat to ripen, Cao Wei had already harvested a large amount of corn.

The yield of corn in the Yellow River valley was already extremely high, and with the almost harsh exploitation ratio of Cao Wei's Tuntian system, Cao Wei's government harvested a large amount of corn this year.

And rice, Cao Wei also has a wide range of cultivation in the Huai River Valley.

In the Guanlong area of Cao Wei, a large amount of wheat was also cultivated.

The rice and wheat harvests in Cao Wei's territory were impressive, no worse than those of Sun Quan and Liu Bei in the south.

While waiting for rice and wheat to ripen, Cao Wei had corn harvested from the Yellow River valley as a support for military rations.

So why is Cao Wei in history like adding uff, even if he experiences a big defeat, he can quickly make a comeback.

In the winter of the twenty-fourth year of Jian'an, Cao Cao could not spare too many troops to rescue Cao Ren.

But after the summer of this year, Cao Pi can willfully lead tens of thousands of Wei troops to the south to declare his martial power, not caring about the loss of military rations.

Because Cao Wei holds the three main grain-producing areas of China in his hands:

The Yellow River Basin, the Wei River Basin, and the Huai River Basin.

Therefore, as long as Cao Wei is given a few years to recuperate, Cao Wei, a war machine that occupies the main grain-producing areas of China, will exert a strong national power enough to crush Liu Bei and Sun Quan.

Now the four big granaries in front of Mi Yang are all full of corn.

The reason why Mi Yang wanted to attack Wudang was because of the corn in these four granaries.

Mi Yang's eyes showed a greedy look Looking at the four granaries in front of him, Yanping, as the head snake in Wudang County, of course he knew who was in charge of these four granaries at present.

Many of the officials who guarded the granary were from his family.

Yanping immediately asked the clansmen to find the warehouse official in Wudang City, and after the warehouse official arrived, Yanping immediately asked the warehouse official, "How many stones of corn are there in the four granaries in front of you?"

When Cangguan saw Mi Yang, he guessed that Mi Yang's identity was not simple, so he said to Mi Yang with a fearful face:

"At present, there are nearly 200,000 stones of corn in the four granaries."

After hearing that there were nearly 200,000 stone corn in the four granaries in front of him, Mi Yang's eyes showed an excited look.

In the food supply of the army at that time, the system of two meals a day was generally adopted.

Under this system, a soldier generally consumes about one stone of food in a month.

A normal army of 10,000 will consume about 10,000 stone of grain in January.

200,000 stone corn, enough for an army of 10,000 to consume normally for 2 years.

Even if Mi Yang's army adopts the system of three meals a day, the 200,000 stone corn is enough to support his army, at least a year and a half of military food supply.

Cao Wei is worthy of being a big dog, he is really rich.

According to the barrenness of Hanxing County, it is already a little difficult to supply the military food needs of 10,000 troops on a daily basis.

When the army went on the Northern Expedition in the future, the amount of grain and grass consumed was even larger, and Mi Yang had long been worried that there would be a risk of insufficient grain and grass in the future.

The soldiers and horses have not moved, the grain and grass go first, and without sufficient grain and grass, no battle can be won.

Now with these 200,000 stone corn, in the future, when Liu Bei goes on a large-scale northern expedition, Mi Yang will be able to bring his own military rations to fight a protracted war with Cao Wei.

To be honest, even if Mi Yang is given a year of farming, according to the situation in Hanxing County, there may not be 200,000 stone of grain stored in a year.

Because Hanxing County is currently in a situation of waste waiting to be rebuilt, there are many places that need to use food.

Sure enough, farming has to be planted, and the jungler still has to fight, and this time Miyang can be said to have made a lot of money.

Mi Yang looked at the four in front of him

granaries, he already sees them as four mountains of gold.

Mi Yang immediately ordered Zhang Wei to lead the army to officially take over the granary in Wudang City, and strictly forbade all idlers to approach the granary.

Now these four granaries are where Mi Yang's reverse scales are, and whoever moves will die.

As long as Mi Yang can successfully transport the 200,000 stone corn back to Hanxing County safely, then his goal of attacking Wudang County this time will be completed.

After ordering Zhang Wei to lead the army to take over the four granaries, Mi Yang immediately sent an envoy to Xicheng to summon Lu Yi.

To transport nearly 200,000 koku of corn, although Miyang has the convenience of water transportation, it is also a large project.

He now needed a capable talent like Lu Yi to help him accomplish this task.

After completing this series of arrangements, Mi Yang, who was in a good mood, asked Yanping to leave first, and he himself returned to the county government under the escort of Ding Feng.

After returning to the county government, Mi Yang saw Zhang Bao waiting in the county government for the first time.

When Zhang Bao saw Mi Yang returning, his face was full of joy, and he hurriedly stepped forward to meet Mi Yang.

Mi Yang saw that Zhang Bao did not lead the sergeants to patrol the city to stabilize people's hearts, but waited for his return in the county government, he asked Zhang Bao with questions, "Gongben, do you have something to report?"

Because of the relationship with Zhang Bao, when Mi Yang gets along with Zhang Bao in private, he is still used to calling Zhang Bao the word to show his closeness.

Facing Mi Yang's inquiry, Zhang Bao bowed to Mi Yang and said:

"General, there are still thousands of thief cavalry roaming outside Wudang City."

"If we continue to let them go, it will not be conducive to the general's continued march in the coming days. Therefore, Bao wants to ask for war and get rid of the thousands of thief cavalry for the general."

Hearing that Zhang Bao came for this matter, Mi Yang's face showed a thoughtful look.

What Zhang Bao said, how could he not know?

But it was not easy to get rid of those thousands of cavalry.

Between the cavalry and the infantry army, because of the different types of troops, the tactics used are also very different.

In order for the infantry army to win, it is usually necessary to form a formation first.

And the cavalry, their tactics are very diverse.

In fact, contrary to the understanding of ordinary people, there is no such thing as cavalry restraining infantry in contemporary times.

Many art of war say that as long as the terrain is advantaged, the infantry can defeat the cavalry head-on, and vice versa.

However, according to the current topography, the south of Wudang City is Hanshui, and the north of the city is a large plain.

The plains terrain does not have a great bonus to the cavalry.

Although Mi Yang currently has several times the enemy's strength in his hands, Cao Tai and Sima Yi are not fools, and they will wait stupidly to be surrounded by tens of thousands of Han troops on the plain.

They could take advantage of the high mobility of the cavalry to avoid the encirclement of the Han army.

And if the cavalry army is not surrounded, the Han army can at most expel the Wei cavalry, and there is no way to annihilate the two thousand Wei cavalry.

But if it was only an expulsion, then as soon as the Han army withdrew to the camp, Cao Tai and Sima Yi could lead the Wei cavalry to wander outside Wudang City.

And as long as the defeat of the Wei cavalry several times is fruitless, then the morale of the Han army will definitely be affected.

This is one of the reasons why Mi Yang strictly ordered the Han army not to go out of the camp to engage the Wei army.

The effort and the gain are not proportional at all.

Mi Yang also knew the reason why after the fall of Wudang City, more than 2,000 Wei cavalry troops did not leave.

It's just that even if he knew Cao Tai and Sima Yi's intentions, Mi Yang couldn't do anything.

It is difficult for a good woman to cook without rice.

There is no cavalry, and there is no terrain, so it is unwise to attack rashly.

The best way to defeat the more than 2,000 cavalry head-on is to have a strong cavalry army yourself.

This is also one of the reasons why Mi Yang does not plan to take the opportunity to attack Wancheng.

The land route from Wudang to Wancheng can be described as a smooth road, and Cao Pi's reinforcements may arrive in the near future.

Once a large number of Wei cavalry troops entered the vastness

In the plains, it would be a great disaster for the supply lines of the Han army.

Liu Bei also knows this truth.

Therefore, even though it was clear that the Northern Expedition from Xiangyang was faster, Liu Bei still insisted on placing the direction of the pro-expedition in Guanzhong.

Because no matter how outstanding the Han army's military exploits were in the south, once the Han army crossed the Yangtze River and entered the Central Plains, the situation would be greatly unfavorable to the Han army at that time in the absence of cavalry.

Without its own cavalry, the Han army would not have been able to gain an advantage in the Central Plains.

Mi Yang vetoed Zhang Bao's proposal, and he still had the original plan for the two thousand Wei cavalry.

But just after Mi Yang vetoed Zhang Bao's proposal, Deng Ai hurried to him with a military report.

Seeing Deng Ai's eagerness, Mi Yang immediately took the military report in Deng Ai's hand and read it.

After reading the contents of the military report, Mi Yang frowned.

Cao Zhen!

Mi Yang immediately asked Ding Feng to gather a group of generals to discuss matters in the county hall.

Under the convening of Ding Feng, the generals of the Han army who were soon able to pull away arrived in the county hall.

After seeing that the generals had arrived, Mi Yang immediately informed the generals present of the contents of the general's report.

And after learning the content of the military report, the faces of the generals who had just arrived were all shocked.

The veteran Feng Xi who was present was even more directly from the background, and asked Mi Yang to withdraw the army immediately.

What kind of military newspaper content made Feng Xi so nervous?

This military newspaper was sent from Fa Miao in Hanzhong.

The content in the military newspaper is very simple, mainly only one content is written.

Cao Zhenqin, the general of Zhenxi of the Wei Dynasty, led a large army to assemble in Chang'an, which seemed to have the intention of invading Hanzhong on a large scale!

You must know that in order to make Mi Yang's plan foolproof, Liu Bei transferred most of the elites in Hanzhong to Mi Yang, and now Hanzhong is the time when the army is the emptiest.

If Hanzhong is taken advantage of by Cao Zhen's army, then the door to Yizhou will be wide open.

No one can afford such consequences!