The county order of Linhai County is the body of the Yun family, the name Yun Hao Ziwen, and Yun Yi is the same generation, nearly thirty years old, slender figure, slightly majestic appearance, and looks upright.

Yun Yi and his party who came to Linhai City were particularly conspicuous, and the sergeants guarding the city gate could see that most of the people in this group were military people.

Yun Hao didn't know about Yun Yi's arrival, although Yun Yi and his party were conspicuous, but they didn't appear in Linhai City, the Dali Empire has been stable for a long time, and people's vigilance has weakened, and more than 20 people can't subvert Linhai City, so no one cares.

Yun Yi didn't have the idea of going to Yun Hao for the time being, the group found an inn casually, and had a good night's rest, and the next day, the group went to Linhai City, stopping and stopping along the way, and finally came to a small seaside village called Fuquan Village.

There are more than 30 families living in Fuquan Village, all of whom make a living by boiling seawater to make salt, and the villagers rarely farm the land, after all, it is close to the sea, and the land is mostly saline-alkali land, and there is no hair, but fortunately, Yunhua Yun's squeezing of these salt workers is not too strong, and the salt workers rely on the income from salt production, even if they do not farm, they can live, in such an era, it is already a very good thing.

The income of the salt workers is okay, but they have been engaged in this for a long time, most of the salt workers are sick and painful, and they must spend a lot of money to cure, and the salt workers can only endure the pain, of course, it is not easy to do any industry in this era, and the farmers also rely on the sky to eat, and if there is a drought year, it is very common for people to starve to death.

Yunyi and his entourage came to Fuquan Village It was close to noon, but when they walked to Fuquan Village, they could see a large iron pot on the open ground, the pot was filled with seawater, and there was a fire burning under the pot, and the seawater had been boiled and constantly evaporated, and when all the seawater in the iron pot evaporated, there would be a layer of fine crystals left at the bottom of the pot, which was the salt that people ate, and this salt-making method was called boiling sea salt, and the salt-making efficiency was very low.

The price of white salt purchased by ordinary people is 10 silver a catty, but the price of white salt purchased by the government and nobles from the salt workers is not even 1 silver a catty.

Yun Yi walked around Fuquan Village, and then went to the beach for a walk, at noon, after taking out the dry food he carried with him and eating a simple meal, the group then walked around in Linhai City, in a day, Yun Yi did not find any minerals that he knew to pay attention to, and in the evening, the group had returned to the inn in Linhai City to rest.

Originally, Yun Yi also wanted to write and paint, but although there were oil lamps and candles in this era, the lighting effect was relatively poor, if he wrote and painted for a long time, it would be very tiring to his eyes, Yun Yi gave up this plan, and instead sat cross-legged on the bed to practice internal strength.

On the third day of coming to Linhai City, Yun Yi had no intention of going out, but took out paper and charcoal strips and began to write and draw.

Salt production in salt field is actually the salt production method of using solar evaporation method of seawater, this method is to build a lot of ponds like rice fields on the shore to dry salt, and the process of salt production includes the steps of tide acceptance, brine production, crystallization, salt mining, storage and transportation:

When the water evaporates to the sodium chloride in the seawater reaches saturation, the brine should be transferred to the crystallization pool in time, and the brine will continue to be steamed in the crystallization pool, and the raw salt will gradually be deposited at the bottom of the pool to form crystallization, and it can be collected to a certain extent.

Compared with the method of boiling seawater in a large iron pot to make salt, the efficiency of salt production in salt fields is much higher, and the more salt ponds, the more salt is produced.

The method of salt making in Yantian is not difficult, and when this method is popularized in Linhai City, the salt production will increase greatly, and it will attract the attention of outsiders at that time, and it is easy to copy this salt-making process, but Yunyi took out this salt-making method, and he didn't want to make Yun's make more money, Yun's wanted to make money, and Yunyi's methods were many.

Yunyi took out the Yantian Salt Making Method and named the Yantian Salt Making Method "Yun's Salt Making Method", the creator is of course Yunyi, and when the "Yun's Salt Making Method" is promoted, Yunhua Yun's reputation will increase rapidly.

Prestige is a good thing, although it can't be seen or touched, but Yunhua Yun's and Yunyi's need this thing, at least it can attract talents to Yunhua County.

These are all things that Yunyi thought of last night.

Yun Yi listed the steps of the "Yun's Salt Making Method" on a piece of paper, which was simple and straightforward, as long as the literate person got the paper, he could quickly understand the content and start making salt with the "Yun's Salt Making Method".

Near noon, Yun Yi wrote the "Yun Clan's Salt Making Law" thoroughly, Yun Yi packed the paper, and then sent two guards to Yun Hao's mansion with the token of the Yun clan patriarch, saying that the Yun clan patriarch would visit in the afternoon.

When Yun Yi's two guards came to Yun Hao's mansion to spread the word, Yun Hao happened to be at home with his wife and children for lunch, and when he learned that the patriarch of the Yun clan would come over in the afternoon, Yun Hao was shocked and took it directly.

Yun Hao, as a disciple of the Yun family, also knew the situation of the current patriarch Yun Yi, and suddenly two people with the patriarch's token said that the patriarch would visit in the afternoon, could Yun Hao not be surprised.

Fortunately, Yun Hao has served as a county magistrate for many years, and he quickly calmed down, and after eating with his wife and children, Yun Hao put off all official duties and entered the study to think about this matter carefully.

"Is he really coming? How did he come here? Yun Hao didn't know Yun Yi's current situation, so his heart was full of doubts, but doubts were doubts, Yun Hao was just worried about Yun Yi's situation, and didn't have too many other ideas, Yun Hao thought that he had served as a county magistrate for many years, and there were no major mistakes, and the people under his rule lived and worked in peace and contentment, and there were no bandits in the territory.

Speaking of bandits, there are basically no bandits in the entire Yunhua County, Yunhua County is vast and sparsely populated, and the Yun family treats the people under its rule well, so there will basically be no bandits in Yunhua County, and foreign bandits will not enter the poor place of Yunhua County, and they can't rob much property at all, so Yunhua County has become a forbidden area for bandits.

There are no bandits, and the security in Yunhua County is very good, and they can all reach the level of not locking the door when they go out.

It's a pity that the land in Yunhua County is too barren, the Yun family has been running Yunhua County for more than 200 years, and the population of Yunhua County has not reached 100,000, which is very none.

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