Zhang Feng's words.
Instantly, all the students were in an uproar.
Even Yu Shinan and the others on the stage, along with Sun Simiao, hurried to Zhang Feng's side with their masks. Li Shimin wanted to come, but he was helplessly pressed down on the chair by Niu Jinda. He couldn't get up even if he wanted to. He was so suffocated that his whole face turned red.
Li Shimin was cornered. He glared at Niu Jinda and said, "What do you mean by this?"
"Second Master, you'd better bear with it first. I know the power of this thing. It's something that people don't even dare to smell. Fengzi is young. He can withstand it …"
"Then you mean that my body is very weak?"
In an instant, Li Shimin's words made Niu Jinda's body tremble.
He hurriedly explained, "No, no, no, I mean … It's …"
After hemming and hawing for a long time, Li Shimin was also impatient. He said, "I came here today for this thing. If even I shrink back, won't I become a laughingstock?"
Wei Zheng and the others were also frightened by the matter between Niu Jinda and the Emperor. However, when he saw that it was because of this matter, Wei Zheng hurriedly went forward to persuade Li Shimin.
"Second Master, just watch. Don't go forward!"
"Yes, yes, Second Master. If you go forward, how big of a sin will we be committing?"
Li Shimin finally understood.
These people had already discussed it.
They were afraid that he would do something.
They were afraid that something would happen to him. However, if he didn't go today and witness it with his own eyes, he would really be letting his conscience down.
"Shut up!"
Li Shimin's slightly angry roar instantly made several people shut up.
Yu Shinan and the others heard it, but they couldn't say anything. After all, this was a matter of the court. What could they say?
Moreover, it was the first time they saw this thing. It was also very rare.
After all, there were some things that could not be helped.
Under Li Shimin's scolding, although Fang Xuanling and the others were still somewhat unwilling, they didn't dare to say anything since they were on the mountain after all. They could only make way for Li Shimin.
Li Shimin thought about it and put on the mask.
In fact, he really didn't want to wear this thing. He always wondered if this thing was a bit inauspicious.
However, if he didn't wear it, it would make everyone nag, so Li Shimin still chose to wear it.
When the few of them walked onto the stage, the first round of refining had already ended. Zhang Feng was currently sorting out the residue in the equipment and the small amount of phosphate fertilizer that had been refined.
The extraction of phosphate fertilizer was actually very simple. It was to add some sodium nitrate, which was also known as lime powder, into the water. Then, the phosphorus element gas, which had been distilled at high temperatures, was introduced into the water. After a chemical reaction, the precipitated phosphate fertilizer, which was also known as phosphorous nitrate.
This was also the simplest thing that Zhang Feng could make based on the things of the current era.
It was also the most acceptable thing for everyone.
Zhang Feng was actually very troubled.
These things actually didn't need to be done. However, on one hand, he couldn't stand it anymore. On the other hand, he really didn't know about the problem of next year's locust plague. After all, only through this year's planting and irrigation, and by entangling the powder in the water, could a series of obstructions be achieved. Next year's things could possibly eliminate the locusts.
But …
Zhang Feng didn't have the ability to completely eliminate the locusts. At the very least, he had to wait until the hot-air balloon was accepted by everyone. Then, he could use the hot-air balloon to spray pesticides in a large area to possibly stop the locusts.
This was only within the territory of the Tang Dynasty. As for the matters outside, Zhang Feng couldn't care so much. But even so, whether the locusts could be stopped by then was another matter. Therefore, on the premise that at least the people in his academy, Lao Li, and the others wouldn't starve next year, and on the premise that Old Niu accidentally found this thing, Zhang Feng came up with this idea.
Otherwise, Zhang Feng really didn't want to do such a troublesome thing.
Moreover, it had been leaked out by someone. If he waited until after next year's spring harvest, it didn't matter whether this matter was leaked out or not.
However, damn it, he let that old man surnamed Kong come to the mountain and secretly spread the news about the phosphate fertilizer.
That was what led to the subsequent matters.
Therefore, Zhang Feng was indeed in a bad mood today.
The feeling of being made a fool of made him feel very depressed. Therefore, since they were guessing blindly, Lao Tzu would directly lay his cards on the table. Even if their schemes could be deceiving, Lao Tzu wouldn't be afraid.
This was where Zhang Feng's confidence came from.
Those who believed in him could fill their bellies. Those who didn't believe in him, hehe.
Good luck to them.
Li Shimin and the others wandered around the experiment table, and Li Chengqian assumed the role of a guide, loudly introducing the idea of the experiment.
And some of the things on the experiment table. Professional terms.
For example, the composition of sodium nitrate and so on.
Not to mention Yu Shinan and the others who had been studying Zhang Feng's physics teaching book all day long, even the more than 3,000 students couldn't stay calm when they heard this at this moment.
'Is this really what we've been learning all this while?'
Seeing that Zhang Feng didn't speak.
A student hurriedly came forward and asked loudly, "Mr. Dean, is this thing called experiment really so magical? Is it that the snow-like thing is the phosphate fertilizer that can greatly increase the yield of grain?"
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