After Xiang Guoyuan and Chen Shi fully understood the enemy situation and formulated the preliminary plan for the southern expedition, Li Su, Guan Yu and Zhang Fei entered the rhythm of separate preparations.

Zhang Fei led the barbarians, mainly from the Qingqiang soldiers, and continued to garrison in the Jade Road for training. Guan Yu and Li Su continued to go to Jiangyang to train troops and rectify Jingyan, preparing for the excuse of subsequent wars.

The candidates for deputy generals who went to the army to fight were adjusted and decided after a preliminary combat plan was made. Because the generals in Liu Bei's army had different endowments, they needed to choose the right person according to tactical arrangements.

The candidates for the deputy generals of Guan Yu's sect are Gan Ning, Zhou Tai and Xu Huang all year round. However, because Guan Yu took the role of land to lure the enemy head-on, the navy generals were assigned to Zhang Fei, and Xu Huang was guarding Hanzhong again.

After thinking about it, Guan Yu felt that Gao Shun, who had a camp, was enough to be with him. He didn't have to find a deputy general, and he would just take a civilian to join the army. Anyway, there was no need to fight Nanzhong, so it would be better to be stable. In the end, he asked Liu Bei to choose a local from the surrendered generals under Liu Yan to understand the situation. It would be better to know the troops a little bit. Of course, Liu Bei agreed immediately and sent Huang Quan to him as the army of the Land Army in July.

Huang Quan performed relatively best among the civilian military supervisors of Liu Yan before, and had some tests in the battle of Yizhou. The rest of Qin Mi, Zheng Du and others were killed by Zhao Yun and lost a lot. Only Huang Quan could restrain his subordinates to preserve their strength and did not suffer much loss from Zhao Yun. With this kind of peers, he finally got a chance to make a contribution.

Before Liu Bei sent him here, he was very encouraged and told Huang Quan that as long as he made contributions with Guan Yu, he could first be appointed as the county magistrate of a large county when he came back, and gave him a chance to treat him equally, and would not be discriminated against by factions just because he followed Liu Yan to the end.

Guan Yu joined the army as a civil servant, Gan Ning and Zhou Tai were all sent to Zhang Fei to ensure the safety of the water march. Liu Bei also promised Gan Ning and Zhou Tai that as long as they performed well in the process of pacifying Nanzhong, they would at least be promoted to the commander after they came back. In the future, they would be able to become the prefect, the captain, the miscellaneous general in a few years... The big cake was quite tempting.

After all, these people have been stuck in the position of Sima in Yamen and other departments for a year or two. Zhao Yun is now the captain of Changshui and the prefect, and Liu Bei is still very cautious about awarding senior military positions.

Unfortunately, I don’t know if it was a fateful attack. Zhou Tai and Gan Ning rushed to help the army. As a result, Gan Ning had just tried the water route from Jade Road to Zhuti several times, wanting to get familiar with the situation? Then he and dozens of sailors suffered from severe tropical diseases and vomited and diarrhea.

Zhang Fei's military doctors had no good idea for tropical diseases at the beginning? They just based on the epidemic prevention experience summarized from the Dianjiang-Diaoyucheng battle, all patients were isolated and lived alone to ensure sanitary conditions. All drinking water was boiled thoroughly, and all garbage was burned and buried deep. The polluted water source was not allowed to be poured out randomly? At least fever did not spread.

Gan Ning had been trapped for five or six days? He lost 20 or 30 kilograms, but was it because he could not go to the war again? Li Su, who was dealing with the well salt problem, heard about it. Li Su casually asked him to drink cooked light salt water (mimicking normal salt water) to supplement salt to prevent his body from dehydrating, and then add some grinding to extremely fine kaolin stone powder.

Kaolinite is montmorillonite? The scientific name of the diarrhea medicine "Simida" commonly found in later families is "montmorillonite powder"? But Li Su only knows the name of the medicine and cannot remember the other ingredients in Montmorillonite powder, so he can only say one or two main ingredients casually.

After the messenger returned, he tried Li Su, a recipe for a scattered remedy in later generations. Gan Ning finally managed to get rid of the inflammation in the intestinal tract slightly? But if he didn't take care of it for half a year, he would not be able to recover his original force value? He had to miss the opportunity to make meritorious contributions in the winter offensive and continue to be Sima of another department for a few years.

In this way, Zhang Fei had only deputy general Zhou Tai, responsible for the water battle, and deputy general Wang Ping, responsible for assisting the land battle. He must count on these three people to lead troops to capture the Kunming Basin.

...

"Oh, is this guy Gan Ning a fate that is fighting against the barbarians? He also had diarrhea and was weak when he encountered Shamoko and was shot by a headshot. Now he wants to beat Jing Yi and Mengchang? Sure enough, he has a fever again. It seems that he shouldn't have anything to do in his life. "

Li Su read the reply from Zhang Fei? Thanks to his local recipe for helping Gan Ning recover from his life. He also praised Li Suzhen for knowing everything in the letter? Even the fever and vomiting and diarrhea that the military doctors are not sure about can relieve it.

After reading it, Li Su felt so emotional in her heart.

However? He quickly threw the letter aside, thinking that this was no big deal, so don't worry. Even if one Gan Ning was missing, it would be enough for the remaining three to lead troops to crush Jing Yi.

Li Su himself, what he needs to focus on recently is how to increase the production of well salt in Jiangyang County and provide a material basis for the subsequent trade war to win over the Nanman.

Before coming, Li Su also roughly knew that during Zhuge Liang's administration in Sichuan, the output of well salt increased a lot. Even if the output did not double, it was probably 70% to 80%. However, Zhuge Liang may not have known the technology of improving the well salt mining. In the final analysis, he still needs to use people properly.

Therefore, Li Sulai had to take two steps to treat salt: on the one hand, he had so much knowledge of physics and chemistry than the Han Dynasty, and on the other hand, he had to "let professionals do professional things", so he chose to recruit talents and reward professionals who knew salt technology and awarded official positions in an extraordinary way.

Only in this way can he save trouble. As long as he gives a little guidance, he can let them do the details themselves, and at most a financial deputy official will be sent to supervise the audit.

Maybe some people may wonder, how could Li Su have a little understanding of well salt mining? Isn’t he a liberal arts student?

This involves his character in his previous life. Who made him a middle-class elite white-collar worker who was easily trafficked and anxious? In the 2010s, such people were the easiest to involuntarily "learning for life" to relieve anxiety.

On the way to and from get off work, whether you drive by yourself or take the subway, you have to open some apps such as "Himalaya" to listen to talk shows that have increased your experiences, such as "Xiaoshu" and "Low Big and Tight Guide North". If you are more anxious about being sold, download and "get" and listen to e-book interpretation every day.

In his previous life, he was driving to work and listened to an e-book called "Zigong Merchant" in "Get", which talked about the development of well salt, focusing on the expansion of Sichuan salt production capacity in the Ming and Qing Dynasties, and finally realizing the "Sichuan salt to fight against Chu". At that time, Li Su listened to historical stories, but he didn't expect that some of the rough ideas could be used directly now.

He knew that increasing the yield of well salt was nothing more than two directions: the first is to choose a better well, and you need to dig deeper. The deeper you dig, the more water yield, the darker the brine, the higher the salt content.

Among the two technical routes: "choose the best position to dig deep" and "choose the same position to dig a bunch of wells", the former is definitely more profitable.

In addition to digging wells and savage, the second step to increase production is to boil salt. Sichuan is heavily humid and drying salt is impossible, so it can only be boiled. But cooking salt requires continuous production and expanding production capacity. The best way is to directly use the natural gas produced in the salt well as fuel. This seems to be something that some people know in the Eastern Han Dynasty, but I don’t know why it is not popular, so Li Su needs to conduct an on-site investigation.

Moreover, there are wells accompanied by natural gas, and other soluble mineral salts around the surrounding area are relatively abundant. The brine produced can also have a higher salt content. It can be said that it is the best of both worlds.

As long as the general direction is good, you can take your time in the future.

...

Unfortunately, on the fifth day after arriving in Jiangyang, Li Su inspected the existing salt wells near Jiangyang County and found that no high-quality wells with associated natural gas were found.

At the same time, the brines in these wells are also relatively clear, the worse ones are almost transparent, and the better ones are just a little white and turbid, and there is no good brine that is thick and dark.

Li Su also knew that the most famous city of Jingyan in later generations was Zigong. After all, the e-book he heard in his previous life was called "Zigong Merchant". The book also mentioned the birth of the place name Zigong because there were two most famous salt wells there, called Ziliujing and Gongjing respectively. Only by calling the first characters of these two wells together was the city.

In the Eastern Han Dynasty, Zigong County was not yet. Ziliujing should have been discovered during the Tang and Song Dynasties. Gongjing was earlier in history, but it is estimated that even if it is excavated now, it has not been named "Gongjing". Zigong is now a small village town along the Luo River between Jiangyang County and Han'an County.

After all, the place where Ziliujing is called the name of the place where the hard bed is on the riverside. Because the geological pressure is under pressure, it will spray water by itself. So if you want to find it, follow Luoshui and find a place where the mountain rock is hard and low. There is a great chance of finding it (the self-blasting wells mined in oil fields are the same principle, which is that the nearby geology is very hard, but in fact, the liquid level of the liquid containing layer is very low, and the underground liquid level next to it is higher than here. Once the stone is penetrated, it will be sprayed out).

After understanding this, Li Su expressed his intention to go to the countryside and let Chen Shi, the prefect of Jianwei, prepare himself.

Chen Shi did not dare to disobey Li Su at all. He immediately prepared a lot of people, craftsmen, guides, and dry food on ships. He also flattered: "The governor is really working hard. He actually went to the countryside to inspect salt affairs and survey the survey. He is a model for us. The general of the Western Expedition has the assistance of the governor, so why worry about the great cause not being achieved."

Li Su was not polite to him. He led the craftsman and guide and drove the boat upstream and slowly searched along the Luo River. His ideas were two. First, he asked the locals whether they had been dug up wells that had gas to burn, and second, he was looking for places with particularly hard geology and low terrain.

After spending four or five days visiting and investigating villages and towns around him every day, he walked up Jiangyang County with a straight line of more than 100 miles. After the waterway was tortuous and at least 150 miles, Li Su finally asked the locals that they had found a well with "fire and burning air".
Chapter completed!