Once the large stove is set up and filled with briquettes, there is no need to add more firewood in between the meal.

Not only does it have a long burning time, but it is also very small in size and very convenient to carry.

One cart can pull hundreds of briquettes, and there is no need to pull dozens of carts of firewood to follow the large army.

Not only that, but people were also arranged to guard it to prevent enemy troops from sneaking attacks and lighting firewood.

Now it's better to use honeycomb briquettes. Even if you throw in a torch, it can't be ignited immediately, and it's easier to transport.

The entire army used briquettes.

However, Li Yuanqing specifically warned that the windows must be opened for ventilation, otherwise gas poisoning may occur.

The advantages brought by coal far outweigh its disadvantages. When selling stoves, the waiters in the store will make sure to make sure that customers know about it and take their fingerprints before selling the stove.

Whether in the military or in Sangcheng, there is propaganda everywhere. Although coal is easy to use, ventilation must be paid attention to.

Almost all adults and children know this truth, so no one has been poisoned by gas so far.

Maybe it has something to do with the fact that it's summer and everyone sleeps with their windows open.

After winter comes, there will definitely be people who are disobedient.

In order to keep warm, the stove is brought into the house and the windows are closed, or only a small opening is left for ventilation.

Regarding this, Liu Paner also thought of a countermeasure.

Start promoting Tukang!

Mrs. Derry's name is very useful. I was very curious when I heard that only a small amount of firewood can heat a house.

The method of making Ondol was also announced, and because it was simple to make, it spread quickly.

Ordinary people use mud bricks, but those who have small resources at home can use better materials.

People throughout Sang City and even many places began to prepare.

Liu Paner's reputation is so high that whatever she wants to promote can be quickly promoted among the people.

After General Zhao and Gu Shao arrived, they could already feel that major changes had taken place in Sang City and many places in the north.

General Zhao saw Li Yuanqing and patted Li Yuanqing's shoulder hard, "Yuan Qing, your majesty sent Zhao here not to share your power, but to capture Beiyun City in one fell swoop."

"In addition, His Majesty also personally told Mr. Zhao that he must explain clearly to you in person. I trust you as always, without any doubt."

Li Yuanqing was very respectful when he heard this, and bowed his hands in salute, "With the general here, Yuan Qing can be more confident. I thank Your Majesty for your trust in Yuan Qing, and I will definitely remain loyal to Your Majesty as always."

"This is indeed a once-in-a-lifetime opportunity. If we can capture Beiyun City in one fell swoop, it will be of great benefit to me, the Great Zhou Dynasty. We must do our best and dare not neglect."

General Zhao was also quite happy to see that Li Yuanqing had no complaints.

"Without further ado, let's start discussing how to act now. Tell us all the information you have recently obtained, and we will study it together."

Of course Li Yuanqing was willing to share it with General Zhao. After all, the matter was so important that there was no room for any mistakes.

With General Zhao stabilizing the rear, Li Yuanqing would not have to worry about an empty rear if he wanted to capture Beiyun City.

Li Yuanqing took General Zhao to the huge and detailed Kanyu map, "General, we have received various intelligence recently..."

While Li Yuanqing was talking, he was preparing to make arrangements and responses based on this information.

General Zhao listened carefully and gave his own opinions and suggestions from time to time.

Before I knew it, I had been chatting all afternoon, and I still had so much to say.

General Zhao was even more surprised when he heard Li Yuanqing's narrative.

This time, he felt that even if the Beiyun City defense map that Larmore got back was fake, Li Yuanqing could win Beiyun City.

It's really Li Yuanqing's method, it's really great.

Your Majesty's trusted minister is indeed extraordinary.

General Zhao praised, "Yuan Qing, you are indeed good, and you have lived up to His Majesty's trust. Whether we can take back Beiyun City and establish immortal achievements depends on whether we can succeed this time."

Li Yuanqing smiled and said: "Li must try his best."

Over there, Gu Shao and Magistrate Yuan also explained in great detail.

Gu Shao listened very carefully to what Magistrate Yuan said.

Not only that, Magistrate Yuan was able to give good answers to some questions raised by Gu Shao.

"Is this coal really so useful?" Gu Shao asked, "Can you show it to me?"

Magistrate Yuan agreed, "Of course, Master Gu, wait a moment and I'll have someone bring the stove up."

Gu Shao waved his hand, "No, the stove must be quite heavy. I'd better go over and have a look, just to see how to use it."

Magistrate Yuan was stunned. He didn't expect Gu Shao to be so approachable. He nodded and replied: "Okay, Mr. Gu, come here with me."

When he arrived in the kitchen, he saw the extra-large briquette stove, and Gu Shao's eyes immediately lit up.

"Yes, this thing is really useful." Gu Shao praised, "This coal is so porous, is it specially made?"

Magistrate Yuan replied: "This is briquette, made from useless pulverized coal. It is cheap and resistant to burning. It is almost used in the city now, except for some special places where firewood is used."

Gu Shao nodded, "The mountain forests in the north are not dense to begin with. The more they are cut down, the more desolate the mountains become."

Magistrate Yuan was convinced, "Yes, people who make a living by cutting firewood now go to make briquettes and coal mines. They make more money than before, and they also take good protective measures."

Early the next morning, Gu Shao went to the fields again to take a look.

The weather has been smooth this year. As summer passes, the crops in the fields have grown taller and will mature in a while.

After learning about the local crops, Gu Shao went to the sweet potatoes, potatoes, corn, spring wheat, and large tracts of sugar beets planted by Liu Pan'er.

He obviously found that the wheat grown by Liu Pan'er's family was obviously better than the wheat grown by the local people, which surprised him.

Gu Shao took a closer look and found that the soil here was different from the soil where wheat was grown locally. There was sand and gravel on the surface.

How can it grow so well even if there is sand and gravel in the ground? It must be very barren land, so how can it grow so well?

Gu Shao was confused.

After riding on horseback for more than an hour, I saw a beet field that stretched as far as the eye could see.

What's the use of these?

After watching outside for a whole day, Gu Shao found that his wife was not at home. After asking the housekeeper, he learned that the princess had gone to the Governor's Mansion today and would come back after dinner.

Gu Shao happened to have something to ask Mrs. De Rui, so he changed his clothes and came over.

When I arrived, it happened to be dinner time.

Li Yuanqing invited General Zhao and Gu Shao to have a meal.

There was a screen in the middle, and Liu Pan'er and Ninth Princess were eating on the other side of the screen.

Because he was at home, Li Yuanqing could have a few drinks, so he had someone pour him wine.
Chapter completed!