Chapter 160

"How powerful is the gun, Mr. Liu?"

Xiao Ming's voice came to Liu Chuang's ears through the smoke of gunpowder burning, which made him despair.

Can the king of Qi, who has such a killing weapon, be defeated? The idea flashed through his mind and was soon broken.

In front of the city gate, suddenly came Liu Wei's hoarse voice of begging for mercy. The fear of death almost drove him crazy.

"I think now Liu Wei will be more willing to say the source of gunpowder, but if you still want to die respectably, I will give you this opportunity." Xiao Ming's voice is unshakable. It seems that he has a chance to win.

Liu Chuang gave a low smile. He was defeated. The moment the gun exploded, fear filled his whole body.

"The formula of the gunpowder was handed down by the ancestors of my Liu family." Liu Chuang said decadent, "I hope the king of Qi can give me a whole body."

Superstition prevails among the people in Dayu. All the people believe in reincarnation. Many people believe that only a complete body can reincarnate again. Therefore, it is a vicious curse to die without a whole body.

Half a meter above the wall of the pit let Liu Chuang understand, if this shot down is not a broken arm and a leg, I'm afraid the whole person will be beaten into minced meat.

"I asked where saltpeter came from." Xiao Ming asked, this is what he really cares about now.

Whether the king of Shu obstructed or not, the problem Xiao Ming faced now was the shortage of gunpowder materials, which would lead to that he would not have enough gunpowder to deal with the barbarians.

"Hey, if your highness wants to dig in the cesspit." Liu Chuang laughed.

After frowning, Xiao Ming was disappointed. He thought Liu Chuang and others held the position of the saltpeter mine, but he didn't expect to get the saltpeter by this way.

He waved his hand and said to Niu Zhen, "kill them all and leave them a whole body."

Niu Zhen nodded and motioned to Lu Fei and Luo Xin.

Two people understand, knife light flash, Liu Chuang will fall in the pool of blood.

Around the soldiers look indifferent, such a rich family died 1000, 10000 are not enough to regret.

The artillery was tested and the siege of Wubao was relieved at the same time. It was time for the soldiers to return to the city.

Now Xiao Ming must find a way to solve the problem of nitrate. Now it is impossible to find the nitrate mine immediately, but Liu Chuang's words make him determined to find nitrate from the cesspit.

Let Chen Fu personally escort the cement to Cangzhou City, Xiao Ming said to Niu Zhen: "old general, although the six states have been destroyed, many remnants are still in chaos. I hope the old general will go to encircle and suppress the six states so as not to disturb them."

"Your Highness, it's our duty to hand over this matter to the general at the end of the war. We can support our troops for a thousand days and use them for a while." Niu Zhen said.

Xiao Ming nodded. Zhan Xingchang was supposed to be responsible for this, but the barbarians went south and broke his plan. Now Zhan Xingchang is mainly responsible for the repair of Cangzhou City.

It took more than ten days for Liu Chuang and his party to return to the city. However, at least the artillery test firing was successfully completed, and then the equipment department could spare no effort to produce artillery.

However, he had to continue to solve the problem of saltpeter. This gun was one of them. He also needed a lot of bulk powder to make powder cans.

Originally, he held a glimmer of hope that Liu Chuang knew the location of the saltpeter mine, but now his hope was dashed.

At least Liu Chuang has proved that it is feasible to make nitrates from nitrates and then to make gunpowder. There are many nitrates in the pit, but not too much.

But no matter how small the mosquito is, it's meat. When he returned to the palace, he immediately asked people to call Lu Tong.

"Is there saltpeter in the pit?" Lu Tong blinked in disbelief.

For Xiao Ming, there are many ways to extract nitrate from the science and Technology Library, and the principle is very clear.

Generally speaking, the soil near the pigsty and toilet in rural areas often contains a lot of organic matter.

After the organic matter decays, it will produce nitric acid through the action of nitrifying bacteria.

Nitric acid further reacts with arsenic, calcium and magnesium in soil to form potassium nitrate and its calcium magnesium nitrate, which is pyronitrate.

Generally speaking, the content of potassium nitrate in the fluffy white molds on the walls of pigsty and toilet is high, sometimes as high as 75%.

He told Lu Tong the formation principle of nitre. At this time, Lu Tong nodded slowly.

"This method is a little troublesome, but it can only be done now. Let's pass the difficulty first." Xiao Ming said.

If you can use nitramite, no one will go to the toilet to find nitramite, he is also forced to have no way.

In addition to directly looking for the saltpeter on the surface of the pit and pigsty wall, Xiao Ming also asked Lu Tong to dig the old soil under the toilet and steam the plant ash, so that the saltpeter crystal can also be extracted.

"Your Highness, this is no problem. When you say that, I think that there are such things in our pit, but there are so few. How many pits do we have to find?" Lu Tong asked.

Xiao Ming has an idea in his heart. Now he can only mobilize the masses of the people.Let Lu Tong go back to prepare the utensils, Xiao Ming let fan Zeng come to the palace, he personally wrote a manuscript published in the newspaper.

The content of this manuscript is to mobilize the common people to look for fire and salt from the pit and give it to the local government. Those who provide fire and salt will pay one cent per kilogram.

The next day, the news immediately spread out with the newspaper, and the reporters from all States sent out at the same time, down to the county and village to convey the contents of the newspaper to the people.

"Can the white hair grow in this pit still sell for money?"

In Zhu's village, Zhu 56 asked the person who had just finished reading the newspaper in surprise.

His elder brother Zhu Sansi has gone to Qingzhou City and successfully entered the Qingzhou army. Now there are his elder brother Zhu Yier, Zhu Xiaomei and him at home.

Now the grain will be harvested soon, and the family is full of hope. But before the harvest, his family is still very poor, but it must have been much better.

Moreover, after Zhu Sansi entered the Qingzhou army, the local government sent a stone of grain and a piece of cloth to his family.

These things are the envy of many people in the village. No one would have thought that the military government would send food to them. In the past, they used to take them as soldiers.

Because of this, many hesitant people in the village joined the army, because every time the government sent things home, it was a matter of honor and light.

In addition to his second brother, his eldest brother is now unloading and loading goods on the wharf for the travelling merchant ships.

Over the past six months, there has been a sharp increase in the number of merchant ships going to and from Qingzhou wharf, which requires a lot of people to carry goods. Naturally, the wages have gone up again and again.

Zhujiacun is not far from the dock, and most of the strong men in their leisure time go to the dock.

Compared with the elder brother and the second brother, Zhu Wuliu has been helping to watch the fields at home, but he also wants to earn some money.

So he was immediately moved.

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