Almost all of them are rolling their Adam's apples, and that's a mind called greed.

But Li Shimin was not worried about this kind of greed, but deliberately instigated it, and once again said with great meaning: "If the world's acres of land can increase the yield by fifty catties!" ”

Before Li Xiaogong could move, he suddenly saw the eldest grandson Wuji rushing over, and the old yin grabbed Duan Lun's hand, squatted by the ditch with the fat man, gritted his teeth and asked: "If all of us support you together, can your Ministry of Engineering imitate this kind of instrument." ”

The fat man didn't care about his rudeness, but calculated with a solemn face, more than 100 people present, they didn't dare to disturb him, and after a long time, they heard the fat man slowly exhale and said, "You can imitate!" ”

Everyone was overjoyed.

The fat man spoke again, and said, "But you can't imitate it." ”

Everyone froze.

But he saw that the fat man stretched out his hand and pointed to the utensils in the ditch, and said in a deep voice: "If this thing is only imitated by one or two, it will definitely be able to be imitated by those old craftsmen in the Ministry of Industry, but if you want to manufacture it in large quantities, I think it is a matter of putting the cart before the horse." ”

Li Shimin thought for a while, and suddenly interjected: "Is it because of this iron wheel?" ”

The fat man nodded.

Li Shimin hurriedly said: "Gu once got the secret recipe of the iron industry from Gu Tianya, and this kind of iron wheel can be completely manufactured. ”

The fat man shook his head slowly, and said solemnly: "This is Gu Tianya's iron wheel." ”

Li Shimin suddenly understood.

Everyone present also understood.

Imitations are OK, but who dares to try to copy one? Although there was no patent bill in ancient times, there was a set of conventions.

Messing with other people's secret recipes is a hatred that is not shared.

As long as it moves, it will be a never-ending game.

But seeing that Duan Lun didn't seem to finish speaking, he suddenly shook off the eldest grandson Wuji and stood up from the ground, the fat man looked in a direction from afar, there was a big river, he pointed to the big river: "The giant wheel wooden leaf waterwheel, we have already seen it, that thing has appeared in the Han Dynasty, but the waterwheel we have seen has obviously been transformed, and it is this kind of transformed waterwheel that can pump out a huge amount of water into the ditch." Then, this kind of utensil that we have never seen before is set up in the ditch, and the second and third steps of lifting the water to the top are carried out. Haven't you found out yet? This is not the efficacy of a single instrument, but the effectiveness of a combination, and no one can succeed without any step......"

Li Shimin thought for a while, nodded and said: "A giant waterwheel is erected in the middle of the river to pump water into the ditch, but there must be a premise for this, that is, there are ditches in the fields. ”

Duan Lun did not hesitate and said directly: "So digging a ditch is the first step of this project. "[In ancient times, there was the word engineering]

Li Shimin pondered for a moment, then hesitated and said: "After the ditch is dug, this kind of appliance can be placed." But there is another premise for this, that is, this kind of equipment must be manufactured in large quantities first. It's not enough to make it, you have to have a large number of installers, so that they can go to all directions and install this thing in the ditches dug all over the world. ”

Officials woke up and soon joined the analysis.

Someone said: "It's not enough to just install it, you have to teach the people to use it." At the moment, we only see this artifact pumping water, but there are times when any field does not need water, so there must be a way to stop this artifact. ”

Another humane: "After doing all this, you have to pay attention to maintaining this thing, otherwise it will break down after a year or two, do you continue to send people to various places to install it again?" That's too costly, and it will definitely outweigh the losses. ”

In the midst of different opinions, a huge and unparalleled system engineering was gradually deduced.

Then, everybody had a strange look on their faces.

At this time, they finally understood why Gu Tianya would not care about letting the disciples show everyone this thing.

Because this project is not an industry that can be monopolized by one valve at all.

Li Shimin laughed, and suddenly looked in the direction of Miyun County, Danzhou, and after a long time, he said with deep meaning: "It turns out that this is your purpose." ”

Since ancient times, the temptation of profit is the greatest driving force, and the great interests are placed in front of you, so I ask you whether you are tempted or not.

Previously, everyone only talked about the increase in the land production of the people, which was enough to make the entire Tang Dynasty dominate the world, but everyone knew that this statement was all high-sounding statement.

The real big benefit is actually that each family's own pockets will bulge.

How much land is there in the hands of the people?

A family is only four or five hundred acres when it is full.

However, these officials present, how can the production land of the family be comparable to that of the people, not to mention those families that have been passed down from generation to generation, let's just say that the family that has just risen in Tiance Mansion, who does not have tens of thousands of acres of land? Some families even own 30,000 or 40,000 acres.

If all of them increase their production by more than 50 catties of grain, it will take a few years to become a huge rich family?

This alone is enough to make everyone smile at Gu Tianya, if the smile on his face is not enough to show goodwill, then bow down and climb to make friends.

The stakes are too great.

At this moment, I suddenly heard a mellow voice sound, and said lightly: "My master said that water conservancy projects are only the foundation, and when dry fields become paddy fields, they can indeed increase grain production slightly. However, the inherent crop yield is too low. An acre of land can only harvest a few dozen catties of grain for a year, which is not called harvesting, this is called waste, so my master thinks that the field must be at least seven or eight stones, so as to be worthy of the hard work of the people of the Tang Dynasty......"

There was silence.

Everyone trembled.

This trembling is not cold, because it is only the Mid-Autumn Festival, and this trembling is not frightening, and no one in the world can make this group of people afraid together for the time being.

This trembling was completely because of shock, and this trembling was completely because of excitement, just because they all heard one word clearly just now, Gu Tianya's apprentice said that there could be seven or eight stones in the field.

If someone else said this, everyone would definitely twitch their ears and beat them violently, and immediately after a violent beating, they would immediately say a delusional sentence.

But it was none other than Gu Tianya's female apprentice who said this.

Just talking is not enough, this female apprentice is still holding something in her hand at this time, and you said quietly: "This thing is called sweet potato, and my master said that it produces seven or eight stones. If the people tended to this crop with their hearts, one acre of land could even produce fifteen or even twenty stones. ”

With a thud, someone fell to the ground.

Everyone looked at it, only to see that the fallen person had crooked eyes, his eyes seemed to be demented, and his mouth was full of hara, and it was Duan Lun, the secretary of the Ministry of Industry, who was trembling at this time, and kept saying: "Fifteen stones, twenty stones?" Fifteen stones, twenty stones......"

No one despised the way he looked, but everyone thought it should be.

The yield of fifteen stones per acre of land, or even twenty stones, is simply a myth, and no one can remain calm when they hear it.

And what is the yield of the acres of the field today?

The finest Tianzi watered the ground only about one stone.

It has to be carefully served by the old farmers who are proficient in farming.

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