Zhang Xi and Zhuge Liang discussed the issue of Yongzhou's defense until late at night.
To be honest, to a certain extent, Zhang Xi was well prepared.
In this regard, it is actually much better than Zhuge Liang expected.
Zhuge Liang prejudged the current situation and believed that it was unlikely that Cao Wei would suddenly launch a large-scale invasion of Guanzhong under the current situation. The most likely outcome would be harassment.
Although Zhang Xi also judged this, he had always been cautious in using troops. Therefore, Zhang Xi was not only prepared to deal with Cao Wei's small-scale harassment, but also prepared for a large-scale invasion by Cao Wei.
In the direction of Wuguandao, the reason why Zhang Xi was anxious to build Wubao and put Liu Yin, who was good at guarding it, was to rely on the uniqueness of the Wuguandao exit to establish a blocking position in advance and rely on Wubao defense to fight with Cao Wei. The army was strong at the exit of Wuguan Road, blocking the Wei army from entering Youfufeng.
But this trick is easy to use on Wuguan Road, but not so easy on Tongguan Road.
Although Tongguan is built on a mountain and the terrain is dangerous, but ten miles away from Tongguan is the vast Zuofengyi Plain.
It is not impossible for you to block Tongguan. You can send more than 50,000 soldiers and horses and station them ten miles in front of Tongguan all year round. You can block Tongguan. But the problem is that Zhang Xi really does not have so many soldiers and horses to mobilize.
Historically, the attack on Tongguan has always been besieged by large armies. It has never been seen that anyone sending a small force can block Tongguan and prevent Tongguan soldiers from leaving the pass to fight in the field.
Therefore, in response to Zuo Fengyi's defense, Zhang Xi had to retreat twenty miles away and draw a buffer zone. In this buffer zone, only some soldiers and sentries were arranged as warnings. The purpose was never to prevent the Wei army from going to war at Tongguan, but to It's a warning.
As for Zuo Fengyi's defense, Zhang Xi chose a combat method of luring the enemy in depth based on the battle examples in his mind of conquering Tongguan.
Set up a buffer zone in the left Fengyi area, and place the Northern Army on both wings of the defensive line. After the Wei army invades, let go of the defense in the buffer zone and lure Cao's army to go deeper. When Cao's army reaches a position far away from Tongguan, let the Northern Army on both wings Quickly circle back and encircle, cutting off Cao's army's retreat.
In this case, if Cao's army invades with a small force and cannot break out at all, if it is a large force that invades, Zhang Xi can retreat while fighting. At worst, he will give up the Zuofengyi area and rely on Chang'an City to hold on.
As long as the Wei army cannot defeat the 10,000 Northern troops led by Wu Yi and cannot open up its retreat, then as time goes by, the Wei army's retreat will be cut off, its food and fodder will be insufficient, and it will have to retreat in the end.
This is Zhang Xi's overall defense strategy for Guanzhong.
Zhuge Liang had no doubts about Zhang Xi's defense idea. In terms of adapting to the situation, Zhuge Liang didn't think Zhang Xi would be worse than Cao Zhen, Wang Chang and others from Cao Wei.
Just one thing, Zhuge Liang is worried about just one thing.
"If the Wei thieves form a team of more than a thousand soldiers and the soldiers leave Tongguan in separate ways, what can Yuan Changru do?!"
When Zhang Xi asked this question, he didn't know what Zhuge Liang was going to do.
"If the Wei thieves only have a thousand troops and dare to divide their troops, they only need to teach Zuo Fengyi to hold the counties where they are, and then send the Northern Army back and forth to support them. Such a method of fighting will not threaten Zuo Fengyi's core. , or even Chang'an?!" Zhang Xi asked puzzledly.
A team of a thousand men, even if divided into ten groups, will only have a total strength of 10,000 people. With this small force, do you still want to counterattack and attack the key points? !
Moreover, with the size of the thousand-man army and Zuo Fengyi's deployment of 500 county soldiers in each county, as long as the county magistrate does not surrender voluntarily, there is absolutely no possibility of the defenders breaking through in a short time.
In addition, if Wu Yi leads the Northern Army to respond back and forth, the Wei army may only be able to harass and then withdraw, and cannot even attack the county. What is the point of sending troops like this? !
But Zhuge Liang shook his head and said, "What if the purpose of the Wei thieves is not to attack the city, but to harass?! Yuan Zhang must not forget that there are not enough Dingkou in Guanzhong. If the cultivated land becomes barren again, who knows when it will be restored?" To prosper in the old days.”
Well, this is really a bad move.
The land of the four states of the Han Dynasty, but in fact, Yizhou has to supply Nanzhong. Jingzhou is incomplete. It is missing two counties and has to supply the grain, grass and military equipment needed for the Northern Expedition. Liangzhou is a place that urgently needs to invest money and food to stabilize it. .If Yongzhou cannot resume production in time, the impact on Dahan will be visible to the naked eye.
The essence of Yongzhou is Sanfu, the Guanzhong Plain.
Starting from Fengyi on the left, passing through Chang'an and Fufeng on the right, this area is not only an early farming area, but also surrounded by three irrigation belts: Jinghe River, Weihe River and Luoshui River, as well as various water conservancy facilities that have been built since the Spring and Autumn Period.
If Guanzhong cannot resume production in time, then even if Dahan occupies Guanzhong, it will lose its original meaning.
What Zhuge Liang is most worried about is that Cao Wei plans to use a small force to harass the Guanzhong area.
Especially the Zuo Fengyi area.
Zuo Fengyi is different from You Fufeng. There is no mountain road here to restrict the entry and exit of Wei thieves. Ten miles outside Tongguan is a vast plain. Without enough troops, you can't lock Tongguan at all.
What's more, if Cao Wei really uses this method of small groups of troops to harass the Zuo Fengyi area, even if you arrange a large group of troops to guard the Tongguan important road, others can easily bypass it.
In these days, blocking the Internet is not so easy.
After all, military reconnaissance these days only relies on human eyes, and communication efficiency can only be supported by horse legs. If you find that the Wei army has penetrated Zuo Fengyi and send troops to rescue, the city will not suffer any losses, but in The fields outside the city and the crops in the fields could not be saved.
If Cao Wei really wants to use such disgusting tactics to deal with Guanzhong, Zhang Xi really has no good way to deal with it.
If the enemy army really only comes for grain and crops, no matter how hard you defend it, you can't completely defend it. When to send troops and which grain fields to burn are completely decided by others. As long as you are in a good mood today. If you don't send troops, tomorrow when you're in a bad mood, it's not impossible for a small number of troops to march straight in, fight to Changling County next to Chang'an City, and burn down your crops at the cost of losing hundreds of people. .
No matter how you defend yourself, the initiative is always in Cao Wei's hands, and you can only passively respond.
We don't have enough troops, we have to take care of the city defense, and we have to prevent the enemy from burning down the farmland. What can you do? !
You can't imitate the great masters across the ocean in later generations and build a wall outside Tongguan.
The family's business is so big that it can withstand hardships, but with the productivity of this era and the material and financial resources of the Han Dynasty, it is impossible to do this.
When Zhang Xi thought about the possibility that Cao Wei might fight a guerrilla attack with you, he immediately had a headache.
In the final analysis, it is still due to the current shortage of troops in Guanzhong. If there are really 100,000 people who can be mobilized, how dare he, Cao Wei'an, use such disgusting methods? !
No matter how many people come, they will be buried for you.
Unfortunately, complaining now is of no use. All we can do is think of ways quickly and plan countermeasures in advance.
But Zhang Xi thought about it and found that there was really no good way.
There are no too dangerous passes in the Zuo Fengyi area, and there are not enough troops to block the enemy. They can only adjust their original combat ideas.
According to Zhang Xi's calculations, if Cao Wei had adopted this kind of guerrilla warfare, his base camp would have been at Tongguan. Given the characteristics of guerrilla warfare in this era, it is unlikely that Cao Wei's focus of attack would be too far from Tongguan.
In Chinese history, the concept of guerrilla warfare has actually existed very early, but there is an essential difference between the guerrilla warfare of this era and the later guerrilla warfare.
In this era, there is no "community between the army and the people". Therefore, the scope of attack in guerrilla warfare in this era is limited. Unless there is another amazing and talented Huo Qubing from Cao Wei, the guerrilla warfare is destined to not be too far away from the logistics base.
Zhang Xi carefully sorted out the fighting methods of soldiers in this era and found that even if Cao Wei sent a small group of troops to guerrilla, the fighting time would not exceed five days.
It took one day to set out for the army, one day to return, and three days of fighting time in between, which was used to destroy crops in the fields outside the city.
The time cannot be longer. If it is longer, it will be blocked by the Han army who will come to reinforce after receiving the news. By then, it will be death.
And based on the marching speed of the army in this era, the marching distance in one day is about forty to fifty miles. The buffer zone of twenty miles from Tongguan drawn by Zhang Xi is obviously not enough.
But if we retreat another thirty miles, thousands of hectares of fertile farmland in the buffer zone will be zoned out for reconstruction. Zhang Xi cannot afford this loss.
Because of the divisive and compromising policies between the imperial court and the Jingzhou and Yizhou families, the area of farmland in Guanzhong has been reduced by 5,000 hectares. If another few thousand hectares of fertile land is lost, will the farmland in Guanzhong still be established? !
The fifty-mile buffer zone, plus the areas that may encounter war. A quarter of Zuo Fengyi's entire territory can no longer be used as a stable farming area.
And if Cao Wei is allowed to take the opportunity to take root in the Zuofengyi area and continue to advance this harassment strategy to the west, Zhang Xi can't keep retreating like this, can he? !
Zhang Xi could only give up on expanding the buffer zone.
These Cao Wei troops must be surrounded from the front.
And when he thought of this, Zhang Xi could only choose to imitate Guan Yu.
When Guan Yu was in Nanjun, how did he push the battle line towards Xiangyang little by little under the pressure of Cao Jun in Xiangyang? !
In fact, to put it bluntly, it is not difficult. Just treat the entire northern part of Jiangling as a war zone, do not expect the food harvest here at all, continuously launch offensives, and fight a war of attrition regardless of success or failure. It will last for four or five years and go bit by bit. Advance north.
But if you do this, you will consume a lot of money. Therefore, when the Battle of Xiangfan was fought, Guan Yu almost mobilized all his troops. If Zhang Xi had not left a Wang Ji in Jiangling, the outcome would not be much different from history.
Moreover, the situation in Yongzhou today is different from that in Nanjun back then.
Although Nanjun is only the size of a county, there is no shortage of Dingkou. Now Yongzhou Dingkou has been reduced by half. In order to ensure the development of You Fufeng and Chang'an areas, Zhang Xi almost emptied Zuo Fengyi and used it for farming.
What was lost this time was not half of Nanjun's food income, but probably the entire Zuofengyi County.
What's more, Cao Jun on the Wuguandao side will not just watch the development of Youfufeng area with peace of mind. If this kind of harassment is repeated in Youfufeng, then the number of Wubao in Youfufeng will also be reduced. It may not be possible to completely prevent Cao Jun's small forces from infiltrating the guerrillas.
After thinking about it, Zhang Xi still didn't have anything good to say, so he had to curse in his heart - who came up with this evil idea? !
Are you not afraid that doing so will damage your moral character and make all your descendants idiots? !
(End of chapter)
