Zheng Lang walked around Chang'an for three days and also ran to the Danshui to take a look.

However, he was confused.

In his mind, the Tang Dynasty had already built some water conservancy, transported the materials to Shangzhou, and then entered Guanzhong from Lantian Pass. The Tang Dynasty built a canal and directly entered Chang'an City.

It’s not that it is ineffective. After the Anshi Rebellion, Henan was lost. Most of the materials were transported to Guanzhong through this route, supporting the battle between the Tang Dynasty’s army and the rebels.

It seems that this transportation road, which is both water and land, has been playing a role in the Ming and Qing Dynasties.

Ouyang Xiu also mentioned this matter in his book last year. The old canals in the Tang Dynasty were mostly abandoned, and the Wei River was blocked, and there were three dangers. Therefore, he came up with a solution. Liu Bang entered Qin and did not go to Nanyang to go to Guandong. When he asked about his old man, he said that from Dengxi to Yongxing (Chang'an), he said that from Dengxi to Yongxing (Chang'an), his soldiers often traveled. Liu Bang entered Guanzhong with 100,000 soldiers. The road that could accommodate 100,000 soldiers should not be too narrow and dangerous. However, since Luoyang was the capital, the travelers were more likely to go to Guandong, and the road was abandoned for a long time. Now he could follow the requirements and then Wuchang, Hanyang, Ying, Xiangyang, Liang, Yang, Jin, Shang, Jun, Fang, Guanghua, and Guanghua were all in the eleven and two states along the Han Dynasty. From Nanyang, he was light chariots and transported them with chariots, and imitated 15 and 6, and more than ten states were in the pass every day.

Nonsense.

A hundred thousand troops can work, but they must not be carried out together, and they can be entered in batches.

Why is this mountainous road not narrow and dangerous? When the six or seven hundred miles of mountain road is down, the freight and loss will be sky-high. If you want to open this road, you cannot transfer from the downstream of Danshui in Nanyang to the dry road. You must open Danshui and open the waterway to the middle reaches before you can enter Guanzhong from Lantian Pass. Otherwise, the materials transported from Lantian Pass are not enough to be depleted. Ouyang Xiu has not studied history in detail. Wu Zetian and Emperor Zhongzong of Tang had already started to open this road, but the effect has not been significant. When it was played, it was in the Anshi Rebellion. Moreover, it was impossible for these prefectures to transport materials to Guanzhong from this road together. Some prefectures seem to be in the Han River Basin on the map. In fact, there are dozens of mountains in the middle, so it is impossible to transport them to the Han River at all.

This channel refers to the Han River to the Yangtze River, extending to Dongting Lake, and to Tanzhou to the south, where the materials close to the Han River, the Yangtze River and the Xiang River can be transported to Guanzhong. Don’t think about other places.

But after reading it, he shook his head repeatedly.

The water sources in Guanzhong were reduced, and the Tang Dynasty's water conservancy could not be restored. If they wanted to open up, it would cost a huge price. Now that the two sides were fighting, the court could not afford the money at all.

And after thinking about Tanzhou, there are also many difficulties.

Tanzhou is Changsha.

China's development of the south began with the Jin Dynasty, and the Eastern Jin Dynasty moved south. The population began to increase, laying the foundation for the prosperity of Jiangnan in the future. Until the Tang Dynasty, the main areas developed during this period were in the Taihu River Basin, Hangzhou, Wu and Yue. Then by the Song Dynasty, the population was large, and we had to find ways to increase the arable land area. Then there was Jiangdongwei.

The Southern Song Dynasty moved south and developed into Tanzhou, which was the beginning. It was not until the Ming Dynasty that Changsha became the four major rice markets.

There are natural geographical factors in the development of Changsha and Dongting Lake basins, but at this time there will be several adverse factors. If the Dongting Lake basin and Changsha cannot be well developed, it seems that the cost of opening up the Danshui basin is very huge, and the significance of development has been lost.

We also have to tap potential from within Shaanxi.

After returning from outside the city, Zheng Lang called Xia Shu to discuss the matter of Sanbaiqu.

Sanbai Canal is also called Baiqu. It was built by Bai Gong, a doctor from Zhaozhong, Wuwu, Han Dynasty, and was built. The Jing River was first drawn from Gukou and ended into Liyang. It was injected into Weihe River. It was also called Zhengbai Canal together with Zhengguo Canal. It was the most important water conservancy project in Guanzhong of the Han Dynasty.

At the end of the Tang Dynasty, many water conservancy projects were gradually destroyed due to long-term disrepair. Therefore, during the reign of Emperor Taizu of Song Dynasty, the judge of the Jiedushi Shi Jiye presided over the Han Dynasty to carry out the Sanbaiqu service, and built the water dams in the Jing River with a slight fence and fence into a temporary building. Although the grass also had an effect, the people who were in the canal benefited greatly. However, because of its hastyness, they were washed away every time during the flood season. Therefore, whenever the autumn dam was controlled, the use of the dam was taken from the people, and the people were troubled by several labors and could not be consolidated.

During the reign of Emperor Taizong of Song Dynasty, at the request of the people, the stone-building generals were restored to reduce the heavy burden of repairing the dam every year, so the supervisor Zhou Yue was sent to repair it. Because the project was huge, it was not completed. Chen Yaosou and Liang Ding wrote a letter again, Zhengbai's second canal originally irrigated for 44,500 hectares of land, but now there are less than 2,000 hectares, so the court asked the court to repair the dam. Huangfu Xuan and He Liang were sent to conduct on-site inspections, and the two put forward four suggestions but failed to implement them.

During the reign of Emperor Zhenzong of Song Dynasty, Shangbin was sent to plan and organize the renovation of the Sanbai Canal. Shangbin roughly built the water diversion channel project of the Sanbai Canal and restored some water-saving bucket doors. After the work was completed, the water conservancy was sufficient, and the people were able to obtain several times. However, the irrigation functions of all Sanbai Canals had not been restored.

This is coming later. Wang Anshi asked Zhou Liangru and the magistrate of Jingyang Hou to check it out and put forward two suggestions: one is to build a weir from Hongkou to block the Jing water, dig a 15th new canal, and go to Linjing Town to enter Bai Canal, and irrigate more than 20,000 hectares of land. The second is to open the canal from Hongkou to the third junction, and open fifteen miles to connect to the Yunyang border of Yaozhou, and irrigate more than 30,000 hectares of land. The second plan is more labor-intensive than the first plan, and the cost is greater, but the benefits are more significant. So Emperor Shenzong of Song adopted the second plan, asking Yang Pan and Hou Ke to organize the construction.

This project allows Sanbai Canal to irrigate more than 35,000 hectares of farmland. One hectares are 100 acres of land. If the project is successful, almost no food is needed from Jingyuan Road to Huanqing Road.

Zheng Lang called Xia Shu, talking about this second plan.

"There is a war ahead." Xia Xun said hesitantly.

"If Yuan Hao attacked Sanbaiqu, it would be a disaster." Zheng Lang said.

What is the connection between wars in front and construction in rear?

"Money and silk."

"You send someone to check it first. As for money, in another year, I will find a way to solve the cost of Jingyuan Road."

"Will you find a way?" Xia Shu asked suspiciously. Although he had a good impression of Zheng Lang, before Zheng Lang had arrived in Jingyuan Road, he first collected three million guan of money and lent it to Weizhou. Xia Shu thought that Zheng Lang was afraid, and he was afraid that he would ask Han Qi for supplies and money from Pang Ji without asking for money, so he first grabbed the money.

"Believe me."

"Okay, I'll arrange for someone to check it out."

"Xia Xianggong must pay attention to it. Fighting with the Xixia people will be a protracted war. The war not only competes in the number of soldiers, but also in the competition of weapons, logistics supply, and food. Once the food is solved, it will increase the chance of victory."

"Xingzhi. I will send someone to see it. Don't worry, but I have to report to the court and the court's approval before making a decision. In addition, the front line must be defended, otherwise the canal will be opened in the rear and the enemy will come. It will be an extinction incident."

"No, I don't ask for merit, but now the defense is in the four-way strategy to make no mistakes." Including himself, he paused and said: "Also, you can write to Fan Zhongyan for this matter to let him participate."

He gave a wink as he said.

Xia Feng pinched his nose and groaned bitterly.

It was only Xia Shu, the only one who proposed it. It may be that the court does not approve it, and it will also cause some impeachment. Don’t ask whether it is reasonable or not. If you want to talk about you, it’s okay to talk nonsense.

When Fan Zhongyan was pulled into the water, he was the eldest brother of the gentleman. With Zheng Lang, there would not be many oppositions before he could continue to implement it. Moreover, Fan Zhongyan is different from Han Qi. Fan Zhongyan is very greedy and can tolerate things. As long as it is for the sake of the country, there will be no other bad ideas and will definitely support it.

Zheng Lang said: "This is war. Compared with marching and fighting, our dynasty may not be as good as the bandits, but compared with construction, governance, and wealth. The enemy's dynasty is far inferior to our dynasty. Use their strengths to fight their shortcomings."

"Fight for loss."

“That’s right.”

Xia Shun's first thought, this plan is quite in line with his wishes. Of course, it also conforms to Fan Zhongyan's idea.

Suddenly there was a burst of laughter outside.

A burly man walked in and Xia Shu introduced for Zheng Lang: "This is General Cao."

"I've met General Cao."

"I've met Mr. Zheng."

"I don't call my husband. Every time I hear it, I feel uncomfortable all over, but I still call him Zheng Zhizhou."

Cao Cong laughed again.

The three of them sat down again, and Cao Cong said: "The court has sent troops to the front one after another. The army I gave you is..."

You know, in addition to some of the troops recruited this time, in addition to some of them from Shaanxi, they also sent a large number of imperial guards from Hezhong, Henan and Beijing. Regardless of where they go, they had to be reorganized and recruited from Jingzhao Prefecture. It was not difficult for Cao Cong to do some small tricks.

"Thank you General Cao," Zheng Lang bowed and said.

Without Cao Cong's secret help, the court was very cautious about Jingyuan Road this time. When Haoshuichuan was defeated, all the elite soldiers and generals were sacrificed. Jingyuan Road was flat and difficult to defend, so the court sent the largest number of troops this time, Jingyuan Road, reaching 70,000, not including some local archers.

The overall number and army did not decrease, but because of Zheng Lang's advice, archers with ranks were added. Unlike the original archers, these archers were all organized, and some weapons were distributed and some allowances were given.

Military strength has also increased compared to history, and of course, the cost has increased even more.

Zheng Lang had no choice but to do anything about this.

We can only make it impossible to let the tragedy of the Battle of Dingchuan Fort, otherwise the blow to the Song Dynasty would be unimaginable.

Cao Cong asked again: "Zhengzhou, who do you think is the correct strategy of Fan Zhongyan and Han Qi?"

Zheng Lang did not let him call him husband, so he changed his words. After all, he was so big that he called him husband, and Cao Cong himself felt hesitant.

He didn't ask who was higher or lower, but asked whether the defense was correct or the offense was correct.

"Who General Cao thinks is the best strategy?"

"Yuan Hao should not be underestimated." Cao Cong did not answer directly, but said this.

"Of course, it should not be underestimated," Zheng Lang smiled.

How beautiful was the Battle of Haoshuichuan? Fan Zhongyan and Han Qi were fooled by Yuan Hao as two monkeys.

Zheng Lang had a vague idea in his mind, and no comments from later generations were his own. Yuan Hao started fighting to build the confidence of all races, and he kept fighting, creating deep blood hatred between them. All races would unite and develop hostility towards the Song Dynasty.

Zheng Lang used archers as his organization, and his nature was similar. Kill him. If he died, he was killed by Xixia. In the future, the tribe's people would hate Yuan Hao and would not fall in the middle.

However, Yuan Hao launched too many attacks, first Sanchuankou, then Haoshuichuan, and then Linfu and the two prefectures, and then Dingchuan Village.

This is intentional to use the long border to constantly find the weaknesses of the Song army, defeat the Song army one by one, and cause the entire northwest to become corrupt. If this is the case, Yuan Hao's plan would be very big.

However, Yuan Hao cannot be called a peerless genius.

First, he did not train a powerful army, and the advantages of the Western Xia cavalry were eliminated.

Second, he had no long-term vision, which not only made Princess Xingping of the Khitan die inexplicably, but also disrespect the Khitans. So the even worse-sighted Liao Xingzong got the benefits of the Song Dynasty and led a large army to question the crime. Fortunately, the gust of wind!

Although he won, it was Khitan after all. If the Khitans and the Song people joined forces, the Western Xia would definitely be destroyed. The Song Dynasty sought peace, so he agreed to negotiate peace. The Khitans' expedition changed his strategy. Then the Western Xia's vitality was restored to its shame. Because Zhong Shiheng's counter-espionage plan was effective, many things happened to Western Xia, including Yuan Hao's death.

In other words, Yuan Hao has a vision of battle, but no strategic talent.

You can take a look at the Tang Dynasty. The Tang Dynasty was controlled by the Turks and was wronged and seeks completeness. After unifying the world, it immediately counterattacked the Turks. Or learn from Yue Kingdom in the Spring and Autumn Period, Ju Jian slept on firewood and tasted gall, and succeeded in one fell swoop. If it weren't for the conflict with the Khitans, if Yuanhao continued to fight like this, the Song army would be exhausted, and it would be impossible for Xixia to expand its territory to Yanzhou and Yuanwei.

Of course, Liao Xingzong had a weaker vision.

In fact, when the Song Dynasty fought with the Western Xia, the Khitan could benefit. In just one year, because the Song Dynasty prohibited discussion, the horses and fur sold to the Khitan at a cheap price could generate huge profits. Even in the end, the Khitan could invade Hebei when the Song Dynasty declined.

In short, this is an era when the stars are at the end of their lives, an era of literati, not a time when military generals are shining.

Zheng Lang's own military capabilities are not good either.

But he had Di Qing and another man, Zhong Shiheng. The court has not taken much attention yet. It is better to bring him over and return him to Huanzhou after the Battle of Dingchuan Village. Let him feel at ease to use the counter-espionage plan.

Thinking of this, Zheng Lang couldn't help but laugh. This person is so good. He is a knife that kills people without blood. Tongming said that there are yin and yang. Who can be more yin than Mr. Laozeng?

"Zheng Zhizhou, why are you laughing?"

"With General Cao's intention, is Fan Zhongyan's strategy the best or Han Qi's strategy the best?"

"Fan Zhongyan."

“Why?”

"No one in our dynasty can match Yuan Hao. If Yuan Hao is not moved, he will have a gap. If Yuan Hao moves, he will find it. Then another miserable defeat will happen." Cao Cong kindly reminded Zheng Lang. Although you are very smart, this is a war, not a monograph on Confucianism. The smarter you are, the easier it is to be fooled by Yuan Hao.

And the more Zheng Lang laughed, the more worried Cao Cong was.

After all, it is a joke that he recommends himself to be the chief of Shaanxi, and it is also a recognition of himself.

"General Cao, I know, and I will not overestimate myself. But do you think this method is appropriate if you just defend yourself? It is not inappropriate for Fan Zhongyan to build villages and guard villages. However, I want to build villages and build a village on all fronts, so that Yuanhao will not invade. But what I don't understand is another problem. Starting from the two states of Fulin, it has been conquering the Rong army. This border is thousands of miles long. How many villages and soldiers have to be built to form this iron wall? Is it a half million imperial guards or a million imperial guards?"

This is a really serious problem!

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