Haitang was very happy and said: "Then don't have so much, just have one more, or let the yarn pick come, I am also willing to do some work, and I am not comfortable idle." Pen ~ Fun ~ Pavilion www.biquge.info"

"It's not good to pick yarn, she has a poor foundation, so let her study in school. You can find another one. Li Su said.

Li Ning'er said: "Brother Liang Wang, you can also send an assistant to Ning'er, Ning'er is also very hard." ”

Li Su smiled: "You are the director of the teaching and research department, don't you have a lot of assistants?"

Li Ning'er said: "That's different, I want an assistant." When I was in class, I asked her to wipe the blackboard for me. "She doesn't like chalk dust.

Li Su smiled: "No problem, I will give you two assistants, one of whom will wipe half of the blackboard." ”

Li Ning'er was amused and said, "Brother Liang Wang, you will make fun of Ning'er." ”

Walking out of the door, a warm spring breeze greets you, which is very pleasant. Li said in his heart: "It's time to go out for activities, and the outing is not bad." ”

Soon, the opportunity really came.

Chang'an City has millions of residents, and the things that make fire for cooking and heating in winter are wood, one is directly burned, and the other is made into charcoal, which is in great demand. The mountains and forests around Chang'an City were cut to pieces, and there was not much left. Timber needs to be shipped from afar, and prices are rising day by day.

On March 6, a dispute broke out between woodcutters in Jingyang County and Sanyuan County over the issue of collecting firewood, and as a result, a large-scale armed fight broke out between two villages in neighboring counties, killing and injuring more than a dozen people. Guannei Province reported to Zhongshu Province, which alarmed Li Shimin.

Two days later, the Taiji Palace, Li Shimin's study.

Li Su was called from the research institute, and as soon as he entered the study, he saw that Gao Jingming, the head of the household department, was also there.

Li Shimin said: "The internal migration of herdsmen and the reform of the military system require a large amount of money, and the treasury bonds issued to the people last year will also be cashed. The imperial court is short of funds, so I will discuss a solution with you. ”

Li Su asked, "Is it urgently needed, or is it gradually solved?" ”

Li Shimin asked rhetorically: "What do you say about the urgent need, and what do you say about the gradual solution?" ”

"If you need it urgently, you can auction off resources. Develop resources without urgent need and gradually make profits. Li Su said.

Gao Jingming said: "What resources does Datang have, is it land?"

Li Shimin said: "The land cannot be sold, the herdsmen have moved inward and occupied a large area of land, and the land of the imperial court is becoming more and more tight, this is not okay." ”

Li Su said secretly: "It's really a native old hat, Datang has a lot of resources." He said: "Erchen is talking about mining resources, such as coal, salt mines, gold, silver, copper, iron, tin and other mineral deposits. Datang Wuhua Tianbao, there are many resources. ”

"What is this coal?" Li Shimin asked.

Li Su said: "This Rong Erchen will explain in a few days. Let's talk about gold, silver, copper, iron, tin and other mineral deposits, Datang is everywhere, and the reserves are extremely rich. The retainers have a way to find out for the court.

Now the problem is that Datang must issue a decree that all mineral deposits in Datang are owned by the imperial court, and no one is allowed to mine them privately. Then these mineral resources will all belong to the imperial court. ”

Gao Jingming asked: "How much income can these mineral resources bring to Datang?" ”

Li Su thought for a while and said: "If it is developed, let's talk about it in a small way, it will be 1,000 times the current national income of Datang." "Actually, everyone in later generations knows that if they were all developed, this number would have to be followed by countless zeros!

In this way, it also frightened the old hats of the Tang Dynasty.

Li Shimin stood up in surprise and said, "What, there are so many?" ”

Li Su said affirmatively: "It's just more, not less." ”

Li Shimin became excited, and he immediately began to fantasize about the abundant wealth of Datang, the people living and working in peace and contentment, and the prosperity of Datang. Gao Jingming began to think about how to expand the treasury of the household department so that he could hold so much money.

"Father." Li Su's voice pulled them back to reality.

Li Shimin said: "You go on. ”

Li Su said: "If the imperial court is in urgent need of funds, the ministers can find out the mineral deposits, and then auction off the development and management rights, which can be directly exchanged for a large amount of money." Another way is that the imperial court itself organizes its own forces to develop and operate, so that it can continuously increase the wealth of the imperial court. ”

As soon as Li Shimin thought of letting others develop and make money, he began to feel distressed and said: "It's better for the imperial court to develop." ”

Several people discussed for a morning, and Li Su popularized the relevant knowledge of mineral resources development to them as much as possible.

Li Shimin is a decisive gentleman, and he immediately decided to establish the Datang Mining Division, which is affiliated to the scientific research institute.

After the meeting, Wei Zheng talked about the Guannei Dao and the supply of firewood and charcoal in Chang'an City, and Li Shimin asked, "King Liang, do you have any solution?" ”

Li Su said: "This is not a problem, Erchen has a way to solve it." ”

Ten days later, March 20th. Outside the Imperial Dining Room.

Li Shimin, Cen Wenwen, Wei Zheng and others came to the imperial dining room and saw Li Su, the king of Liang, and the emperor Fu Rui, the secretary of the Ministry of Industry, who were fiddling with something with a group of officials from the Ministry of Industry and some miscellaneous servants.

There were two stoves in the open space, a tin stove with tin pipes on it; The other one doesn't know what it's for. Next to the stove were two baskets of wattle bars, which were piled with jet-black lumpy objects.

Li Su picked up the contents of a basket and asked Li Shimin and others to take a look.

Li Shimin saw this thing and said, "Isn't this a poisonous stone?" What are you doing with this? ”

Wei Zheng also said: "Be careful, this thing is poisonous, it's best not to touch it." ”

Li Su said: "This is poison stone, in fact, its scientific name is coal, which is non-toxic. It's a treasure, and it burns with much more heat than wood. As for its toxicity, it is because when it is not fully combusted, it will produce a gas called carbon monoxide, which will have a toxic effect on the human body when it is inhaled into the body.

However, this problem is easy to solve, as long as the ventilation problem is solved, it is safe to use. ”

Next, he ordered the fire to be lit for experiments.

Cen Wenwen and Wei Zheng both subconsciously took two steps back, and Li Shimin wanted to save face, so he stood still and didn't move. Ma Xuanliang, the head of the guard, hurriedly stood in front of Li Shimin to escort him.

Li Su smiled, walked to the stove, and asked the officials and miscellaneous servants of the Ministry of Industry to dodge away and demonstrate in person.

Wei Zheng reminded worriedly: "Your Highness, be careful! ”

Li Su put some hay in the stove, put some broken wood on it, then lit the hay, and when the wood burned, put the coal on it.

In a short time, the coal burned, and the coal burned red, and the fire was very strong. A Ministry of Works official placed a copper kettle on the stove. It didn't take long for the water to boil.

Next, Li Su introduced and demonstrated the use of honeycomb coal.

Li Shimin was very interested and said: "This is a good thing, it's just that where is this coal, how much is it, so many people in Chang'an City, can they afford it?" ”