Why do we say that ordinary heroic spirits are arbitrary for eternity?

Chapter 59 "Explanation of Talismans"

"Your Excellency, Huang Hansheng, has met a great teacher, Lu Qushuai, and Zhang Qushuai."

Huang Zhong saluted quickly. Hansheng was his nickname, and he was called this by outsiders.

"Are you the team leader here?" Zhang Jiao asked.

"Exactly." Huang Zhong nodded.

"Take me to see the process of boiling saltwater." Zhang Jiao said.

"Okay." Huang Zhong nodded and took Zhang Jiao to see the entire process.

Lu Yu followed behind and felt that the name Huang Hansheng was very familiar.

Han Sheng should be the Chinese character, could it be Huang Zhong?

However, no matter who it is, it makes him feel familiar, and his face is unusual, so he is definitely not an ordinary person.

Can't miss it, wait until he is under his command first.

In the saltpeter pit, the smell of saltwater is like pungent cat urine. Boiling the saltwater is equivalent to boiling cat urine.

The taste is very sour and exciting, and most people will definitely not be able to stand it.

But here, the people who do this work are all hard-working people who are not afraid of death. How can they be afraid of this smell?
  And they are completely accustomed to the smell and don't find it pungent at all.

But it is different for people who are new here.

Lu Yu raised his eyebrows.

Zhang Mancheng couldn't help but cover his nose.

Although Zhang Jiao felt the smell was unpleasant, he did not cover his nose.

He looked at the white crystals that came out of the boil: "The thing that floats up is the finished product?"

"Exactly." Huang Zhong nodded.

"How is the output?" Zhang Jiao asked again.

"It costs 300 tons of soil, plus 600 tons of water, and finally we can make 200 tons of finished product." Huang Zhong answered.

"The output is quite high." Zhang Jiao's eyes lit up.

"The finished products cooked here still have to be processed, and the final product is only about [-] picks." Lu Yu explained from the side.

Zhang Jiao turned his head and glanced at Lu Yu, and asked curiously: "Did you find this cooking method in ancient books?"

"Yes." Lu Yu nodded.

He didn't lie, he indeed saw it in ancient books.

It's just an 'ancient book' from more than a thousand years ago.

The salt boilers continued working, while Lu Yu continued to explain to Zhang Jiao.

"This thing actually has other functions."

"This is the best material for tanning leather, and it is also a first-class fertilizer!"

After listening to Lu Yu's words, Zhang Jiao said with some surprise: "Fertilizer? Is it very effective?"

"Of course." Lu Yu nodded: "This thing is better than any kind of fertilizer in the world. Using this thing, you can at least double the yield per mu, or even more."

Lu Yu's words are not exaggerated at all. This kind of stuff can be used as fertilizer, which is better than modern chemical fertilizers and urea.

Nitrate is essentially a solution containing potassium nitrate or sodium nitrate.

The process of boiling saltpeter using the local method is to separate potassium nitrate and sodium nitrate from the saltwater.

Sodium nitrate is small salt. You can't eat too much of it, as eating too much will cause certain harm, so it is more suitable for marinating meat and pickles.

Of course, it is definitely edible. In this era, farmers usually only have the opportunity to eat salty food when they are working. Who cares about the dangers of eating too much?
  It’s rare to be alive!

As for the boiled cave salt, it is essentially potassium nitrate.

In addition to its original use, this thing can also be used to tan leather, or it can be directly used as fertilizer and spread on the land.

From a certain perspective, this is a pure natural chemical fertilizer.

Its rich nutrition cannot be compared with ordinary chemical fertilizers.

The only drawback is...the raw materials are too expensive.

It is simply impossible to promote it on a large scale. In terms of value alone, the fertilizer spread is several times more expensive than the grain harvested!
  Who does this kind of business?

but.

Sometimes, it comes in handy!

Zhang Jiao understood Lu Yu's thoughts and couldn't help but nodded and said: "If it is true as you said, we can create auspiciousness manually!"

The best land, the best fertilizer, the best seeds, all factors added together can create a myth of a thousand kilograms per acre.

This is not an exaggeration, because one pound in this era is almost half a pound in later generations. Therefore, it is said to be one thousand pounds, but it is actually less than five hundred pounds.

With this kind of fertilizer, coupled with good land and improved seeds, it is not easy to achieve a yield of [-] kilograms per mu.

In this era, this is the greatest auspiciousness!

"After the nitrate water extracts these two things, the remaining wastewater is considered a treasure." Lu Yu continued.

"How do you say that?" Zhang Jiao was a little surprised.

"The remaining water is brine, which can be used to order tofu." Lu Yu explained.

Tofu was invented by Liu An, King of Huainan during the Western Han Dynasty. It was already a common food during this period.

After listening to Lu Yu's series of explanations, Zhang Jiao's mood was very subtle.

How could Lu Yu think of this?
  Are these included in ancient books?

Why hasn't he found it?
  For a moment, Zhang Jiao began to regret it.

If I had known this, I would not have kept Lu Yu in the first place.

It was originally planned that he would become a pawn to restrain Zhang Mancheng, but who would have thought that he would actually cooperate with Zhang Mancheng for a win-win situation, and use this series of industries to develop Nanyang's Taiping Road into a prosperous place!

It is a gunpowder industry alone, with a series of workshops interlocking with each other. I don’t know what will be produced in the future!

I guess he wouldn't be willing to take Lu Yu away now, right?
  And this is too mean. As soon as others get better, you can't wait to pick peaches. It's too ugly.

This is not Zhang Jiao's style of doing things.

Soon, everyone was ready to leave.

Lu Yu found Huang Zhong and offered him an olive branch: "You are very good. Do you want to work for me?"

"Ah?" Huang Zhong was stunned when he heard this, and subconsciously said: "But here..."

"Let's promote another captain here." Lu Yu stared at Huang Zhong.

Huang Zhong also realized that his opportunity had come and said quickly: "I do!"

"Okay, then follow me, I will take you to eat meat!" Lu Yu smiled.

"Okay, okay! Thank you, Marshal Lu!" Huang Zhong nodded excitedly.

Zhang Jiao and Zhang Mancheng were a little surprised when they saw this scene, but they didn't say much.

This young man is indeed good, and it would be a waste to boil the salt here.

Lu Yu’s recruitment is normal.

Then several people went to visit the earthen kiln for burning charcoal, which was also the last stop.

……

at dinner.

Lu Yu sat next to Zhang Jiao, and everyone was laughing, drinking wine, and eating meat, feeling very happy.

Zhang Jiao looked at Lu Yu with a smile and said, "I'm here this time to prepare a gift for you. I don't know if you will like it."

"I will definitely like the gift given by Master." Lu Yu said seriously.

"Here, this book is for you! All the talismans I know come from this book." Zhang Jiao took out an ancient book and handed it to Lu Yu.

Lu Yu quickly took it. He also thought about asking Zhang Jiao for the talisman technique, but before he even asked, Zhang Jiao had already sent it over.

I started with ancient books, which were heavy. The material of the books was not ordinary paper, but high-quality animal leather.

There are four big characters in the letter - "Xiaojie of Fulu".

(End of this chapter)