Erhuo and Yongchi looked at each other and said with some confusion: "Are they crazy? Why do you dance to the pile of manure?"

The master and servant scratched their heads, unable to understand.

Then, they saw Tian Weng and Xianglizhu walking out of the yard and rushed towards the yard where Li Shui lived with a smile.

Erhuo said to Yongchi: "Let's go and have a look."

Yongchi was a little hesitant: "Aren't we going to do business in Xianyang City? I just looked at a stall recently and was about to negotiate the price and set up a stall outside Shangjun Villa."

Erhuo looked at Yongchi with a look of regret: "What a fool, how much money can you make by setting up a stall? There are opportunities everywhere in Shangjun Villa. For example, my sword was only bought for 20,000 yuan, but after being promoted by Shangjun Villa, it was sold at a sky-high price."

"The two of them were in a hurry and went to find the exiled immortal. I thought something big must have happened. Let's follow and see what they are doing. Maybe they can seize the opportunity and from now on, they can soar into the sky."

Speaking of flying into the sky, Erhuo remembered the sword. When he thought of the sword, he remembered that he could not hear the sound of tiger roars and dragons, and that he would never be a hero in his life.

But...it doesn't matter if you can't become a hero. At worst, you can just be a big merchant.

Nowadays, merchants have a higher and higher status. They can live a good life even if they accumulate some money.

Just as Erhuo thought of this, he saw Tian Weng and Xianglizhu walking over with Li Shui in a hurry.

Erhuo and Yongchi immediately stood on the side of the road.

Li Shui smiled at them and said, "If you are interested, come and have a look together."

Erhuo and Yongchi were both surprised and happy, and hurriedly followed Li Shui into the courtyard.

Mr. Tian pointed to a pot of crops and said, "Please look at the exiled immortal. This pot of crops has not been fertilized."

The crops in the pot are sick and a little withered and yellow.

Li Shui said: "The crops are particularly not lush."

Tian Weng said: "Yes, for the sake of obvious comparison, we specially took the soil from the barren land and watered it regularly. Logically speaking, the crop was considered a good weather. But its growth was still not good."

Li Shui nodded.

Weng Tian pointed to another pot of crops and said, "This pot of crops is made of manure."

Li Shui nodded: "The growth of this crop is better, but..."

Weng Tian smiled and said, "But it's still not satisfactory."

Finally, he pointed to the third pot of crops: "This pot uses our new fertilizer."

Li Shui saw that the crop was green and much higher than the others.

It seems that the new fertilizers from Tian Weng and Xiangli Zhu are indeed working.

Li Shui asked Tian Weng: "What is your new fertilizer?"

Weng Tian looked at Xiangli Zhu.

Xiangrizhu cleared her throat proudly and said, "This matter is a long story."

Li Shui suddenly said: "Wait a minute."

He looked around and said to Yongchi: "Go and find Cang immediately and ask him to call a person who is good at writing. Write down all the words of Miss Zhu."

Yongchi responded and left quickly.

This is the first time Aori Takera has received such treatment and can't help but grin.

Soon, Hun Cang called three people.

These three people are good at writing and their pen tips are very fast. The reason why they call three is because they are worried that they will not keep up with Xianglizhu's speaking speed. If there is any omission, they can confirm each other.

After the three people prepared their pens, ink, paper and inkstones, Li Shui said to Xianglizhu: "Please talk."

Xianglizhu said: "Tian Weng and I have studied manure for several months. We have studied it all from human manure, pig manure, cow manure, sheep manure, and chicken manure. When we were studying it..."

When Xianglizhu said this, she suddenly frowned and said to Li Shui: "These things seem to be inelegant. Should we omit them?"

Li Shui shook his head firmly: "No. We are not writing articles that praise merits, we don't need to be so colorful. We are writing about how to make new fertilizers, and there must be no mistakes."

Xiangrizhu nodded: "Your words make sense."

She continued: "Different feces have different growth rates for crops. We are very surprised. Do different species of feces have different ingredients? But what is the difference?"

"So we carefully dried the feces and classified them. Later we found that there were more weeds in cow dung and sand in chicken manure..."

Li Shui heard what she said was a bit dirty, but she still held on stubbornly, so as not to feel embarrassed. In that case, this great discovery would be difficult to record.

Xianglizhu said: "But these weeds and gravels have no effect on crops. We have proved that it is very certain."

"We thought, maybe something in the feces we couldn't see was working. So we made a microscope."

"It can be said that it took us so long to make new fertilizers, and most of the time, we spent on making microscopes."

Xianglizhu showed Li Shui a microscope.

Once, Shangjun Academy developed a microscope, but the thing was very primitive, just a single cylinder, and the magnification was relatively low.

But the one displayed by Xianglizhu is much more advanced.

Its glass has higher purity, the lenses are polished more refined, and even a device that can be used to concentrate light is installed below to make the observation more clearly.

Xianglizhu said proudly: "In order to make this microscope, the glass factory, grinding factory, and even the workshops for making grinding machines in Shangjun Villa have improved a lot."

Li Shui nodded and became more satisfied with Xianglizhu.

Xianglizhu took out a few more pieces of paper and said, "Later, we found something in the feces. We called it Feisu. It's like this."

Li Shui looked at it and found that the paper was painted with irregular polyhedrons.

It seems that Xiangli bamboo painting should be a kind of crystal, not a molecular formula.

It's no wonder that she only has a handmade microscope. It's not easy to get crystallization.

Xianglizhu said again: "There is more than one kind of fat and sustenance, we have discovered two types for the time being. Hehe, we are a little selfish. One of them is named Li Zhu Feisu, and the other is named Tian Weng Feisu."

Akari Zhu felt a little embarrassed: "Everyone knows that this may be something that will be remembered forever, so... it's not an exaggeration?"

Li Shui said repeatedly: "It's not too much, not too much at all."

Weng Tian said: "Actually, we have also discovered the third type of fat, the exiled immortal. Should we name it Huaiguzi Feisu?"

Li Shui waved his hand quickly: "No, no, thank you for your kindness."

I really don’t understand the thinking of these science and engineering teenagers. Are you proud to tie your name to the manure?

Xiangli Zhu didn't think much about it and said to Li Shui: "This third type of fat is actually not fat. Because this is what we found in our urine."

Then Xianglizhu took out another piece of paper, which was also a kind of crystallization drawn on it.

Xianglizhu said: "We collected the urine of livestock, and after the urine was dried, such residual substances appeared. Under the microscope, although the species were different, the substances in the urine were the same. Therefore, we call it urea."

Li Shui nodded with satisfaction.

Unexpectedly, I could hear a familiar noun through two thousand years.

Xianglizhu said: "After research, we found that whether it is plum, fertilization, or urea, it has an effect on the growth of crops."

"They can be used in combination or alone. And it is more effective than manure, hundreds of times. If we make new fertilizers according to our method, no matter how barren land is, crops can grow. In fertile land, crops can increase yields hundreds of times."

Li Shui's heart pounded when he heard it.

The prosperous era is near.

At this time, Erhuo said weakly: "Exiled Immortal, can you ask a few questions?"

Li Shui said: "Ask, ask boldly, brainstorm."

Shotori nodded to Erhuo.

After all, she has made such awesome things and she really hopes that someone will ask questions. If she doesn’t ask questions, how can she give herself a chance to show it?

Erhuo said: "In the lower area, there are several acres of land in Pei County. I am also a little familiar with agriculture."

"I understand the new fertilizer from this girl and the old man just now. After using this fertilizer, the crops in the fields can increase the yield by hundreds of times."

Xiangrizhu nodded: "Not bad."

Erhuo frowned and said, "However, this new fertilizer is obtained from manure. How many new fertilizers can one stone of manure be obtained? Will there be insufficient manure in the world?"

Li Shui was slightly stunned: "That's right."

Aori Takeru was a little proud: "We have also considered this issue."

"After Tian Weng and I found the fertilizer and urea, we also discussed it. Finally, we thought that the fertilizers in the feces were not produced by livestock themselves. They should be in the forage."

Erhuo suddenly realized: "In this way, can we use forage to make new fertilizer? Yes, yes, I remember an old farmer said that wood ash can fertilize the fields."

Xianglizhu clapped her hands: "Yes, wood ash can make the fields fat. But extracting fertilizer from the forage is also too complicated."

"We further thought of a grass, from the size of a needle tip, to a few inches long. Why can they grow so big? That's because there is fertilizer in the soil."

"So, we had a guess. In the soil, fertilizer and urea naturally exist. The grass and trees are rooted in the soil and absorb these two things into the grass and trees."

"The livestock ate grass and absorbed some of it, and the rest were excreted from the body with the feces, so we also found fertilizer in the feces."

"Following the roots, we should look for fertilizer from the soil. It is very convenient and can be used when digging it."

Erhuo suddenly realized: "It makes sense, it makes sense."

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I was immediately overjoyed.
Chapter completed!