【Ask for a commuter pass】

Regarding Li Yuanxing's suggestion of the credit system, Li Er hastily read it and put it in the pile of seals handed over to Tianying Pavilion for discussion, obviously this matter is not Li Er's concern.

"Goro, I received an impeachment letter for my brother during the summer harvest. Say that you used the food in the workshop, not to eat it, but to use it. Because there is only one impeachment, but it is not a big deal. On the contrary, the granaries in Guanzhong and Henan are always nervous, and they are worried that the grain output is too high, which will make the grain prices in the two places plummet. ”

Food, not to mention modern times, or ancient times, is always the most important thing.

The people take food as the sky, and naturally the people's food is the top priority.

Li Er's words turned: "Wulang, the autumn harvest is about to be made again." Jing Zhaoyin's face was all blue, and the imperial doctor said that he had not had a good rest for a long time and was tired. I heard a report on the grain and corn in Huazhou, because there is not enough fertilizer and no intensive planting, and the yield is only more than 500 catties. ”

"It should be enough to eat!" Li Yuanxing didn't seem to understand what Li Er meant.

Li Er smiled: "Wulang, do you know how many acres of corn are planted in Huazhou?" ”

"Brother Huang laughed, this matter is still important, although the younger brother was not in Chang'an in the first half of the year, but the younger brother of Huazhou is still quite concerned. They worked hard, although they did not meet the requirements of their subordinates for hydraulic transformation and increasing the quantity of fertile land, but they still planted more than 2 million mu of corn. ”

"More than a million tons is tens of millions of quintals. Just one Huazhou is enough to smash the grain price in Chang'an to the extent that it is unacceptable to Brother Wei, tens of millions of quintals! ”

Li Yuanxing stood up. shook the clothes on his body: "The silk on the younger brother's body can be better with starch." This cornstarch is very useful. For example: textiles, papermaking, food, petroleum, mines, medical care, construction, agriculture, forestry, horticulture, casting, feed, daily necessities can all be used. ”

"How do you use it?" Li Er asked.

"Let the professionals study this. What the minister understands is that in papermaking, textiles, especially in the future cotton cloth, this starch is extremely useful, and in the simplest sentence, it can turn copper into gold and make exquisite paper. Let's talk about medicines. Starch is a very haode mixture. And then there's the soap. To really become exquisite, you still need to use some starch. "Li Yuanxing knows some, but he is not proficient.

Li Er understood: "Brother Wei knows, why did someone impeach you for using the grain in the workshop." ”

"There is not enough food to eat. Naturally, I dare not use it. But grain was originally also a raw material for industrial goods. It's okay to make food. Corn crackers are still good. The price of Chang'an City wine has dropped fivefold, because there is enough grain to make wine in large quantities. ”

There is more food. Li Er is still very happy.

The summer harvest is in the middle of May in the Tang Dynasty, which is the late June of the later generations.

Li Yuanxing has no intention of changing this calendar, and it doesn't seem to have any big impact.

In the future, when the astronomy of the Tang Dynasty is developed, there will naturally be people who are proficient in this way to put forward suggestions for changing the calendar or improving the calendar.

As for the autumn harvest, grain harvesting has already begun in some places at the beginning of August.

There has been a telegram from Gangnam Province that the rice harvest has begun, and the yield per mu can reach an average of about three stone or more, and the highest yield per mu is about four stone.

Huainan Province also sent a telegram that they were also in a bumper year, and there were three or two days left at most, and they were about to start organizing the autumn harvest.

Jiangnan and Huainan don't have the pressure of the granary, but the rice is not enough to make the granary unable to fit in such a bumper year. But Henan Province is different, with Luoyang as the center, the corn planting in the entire Henan Province and the sweet potatoes in autumn are expected to be harvested around August 15.

Quantity...... Huge!

But in such a huge amount, Li Yuanxing still thinks that it is not enough.

"Brother Huang, it seems that there is enough food in Guanzhong at the moment, but what about the next five years?"

Li Er left the desk and sat next to Li Yuanxing: "Wulang, you continue to speak." What will happen in the next five years? ”

"Brother Huang, count the population first. There are three accounts of population to be calculated. ”

Li Er, who had just sat on the chair next to Li Yuanxing, stood up again, returned to the desk, and opened a piece of paper: "Wulang, you go on, you claim that you can't do arithmetic, but your ability to calculate accounts is not ordinary. ”

Li Yuanxing smiled and stood in front of the desk.

"Brother Huang, this first one naturally counts the population growth rate. In fact, it is the average of the number of people at the end of the year minus the number of people at the beginning of the year, and then divided by the number of people at the beginning of the year. If this index is zero, it means that the population is not growing. Of course, we don't need to make too complicated calculations, we use the simplest algorithm, which is how many children a woman has, and how many children will be born in a household. ”

When it comes to publicity, Li Yuanxing is afraid that he will not be able to explain it clearly to Li Er.

Li Er, he doesn't want complicated formulas, he just wants numbers.

"Brother Huang, if Datang has been a couple of the right age in the past five years. According to the saying that the younger brother will reduce taxes if he gives birth to a child, Datang has an average of one household, how can there be three children in the past five years! ”

Hearing Li Yuanxing's calculation, Li Er shook his head.

"Wulang, you underestimate the tax reduction policy for giving birth, according to the current situation in Datang, the average age of a household is one man, two and three-quarters of a woman. Of course, if you add maids and maidservants, the difference in this value is even greater. You have to know, at the end of the Sui Dynasty, the war, the source of forced conscription, how many men died? ”

"How many did the imperial brother say?"

"Five children per household are the least, and in five years, Datang can increase tens of millions of newborn children. As long as you Gorou dares to say that you have more dolls, you will be tax-exempt, or even tax-free, this population increase is definitely beyond Gorou's imagination. You know, ordinary people don't have so much fun, what else can they do at night? ”

When Li Er said this, Li Yuanxing was a little afraid.

"Brother Huang, as you say. This tax cut has to be reconsidered, and the younger brother is a little weak-hearted. This is a population of 10 million. According to one pound per person per day, each person is four quintals a year, and this grain needs to be 40 million quintals. ”

Li Er wrote it down on the paper: "Forty million is not enough, one pound a day is really not much!" ”

Li Yuanxing let this article go: "Brother Huang, the second account is of all ethnic groups in different countries, and they don't grow food. When they were attached to the Tang Dynasty, what they provided was combat power, industrial products, and labor. But the food item is to be spent by Datang. Take the Khitans, for example, all of their populations combined. Also a huge number. Adults eat a lot! ”

"The Khitan people eat meat, and these pigs, cows, sheep and so on, what they consume are also grain!"

Li Er also echoed and said.

"What's more, Datang Life Doll is tax-free. Can you not exempt them? ”

Boy. It's not that I don't know. It's a shock.

Li Yuanxing's pen did not write a word on the paper, because this account was no longer easy to calculate.

In addition to the Khitan, there are also the Tatans. Murwei people.

Although they were taught to farm, they did not have enough food to eat. still relied on military exploits to get more food from Datang, and if the population was not restricted, their food consumption would be even greater in the future.

"Brother Huang, this third account is even more terrifying. Datang is now industrialized, and many people have seen that they earn more from working than farming, and there will definitely be fewer people farming in the future, and there will definitely be a large increase in the number of people working. Besides, let's occupy the territory outside, and the newly occupied territory will be negative for at least two years, and there will be a lot of negative food! ”

Li Er began to flip through the pile of seals.

quickly found a stamp: "Xiao Yu's, it should also be copied to your Qin Wangfu." It's just that you're out there, and you probably don't know about it. ”

Li Yuanxing opened the watch and saw that it was the third article he said.

Just in the places of Goguryeo that he occupies now, Xiao Yu's calculation is that he needs at least 20 million quintals of grain every year to barely be enough. Because the Goguryeo people grow grain, they can really feed themselves, and it will take at least another three years for the new grain fields in Jian'an City to feed the garrison in Jian'an by next year.

It's just a garrison, and if they want to transfer some grain to the surrounding mining areas, I'm afraid they're nervous.

"How many acres of land is a person?" Li Yuanxing asked a topic that seemed unrelated.

Li Er didn't answer immediately, he was recalling the household seals he had seen, and he had data on the land of the whole country during the summer harvest. It's about 2.6 million dumps.

"One person has ten acres!" Li Er was not sure if this data was correct.

Li Yuanxing prostrated on Li Er's bookcase and began to draw on Li Er's paper: "Brother Huang, how many fields are in the Tang Dynasty now, you can't tell the imperial brother, and the courtiers can't tell either." The data handed in by the household department is only the data reported by various states and counties, which is not very accurate, and there are many differences. ”

"Well, this matter was known to my brother during the Wude years, but I haven't had the opportunity to rectify it!"

"Brother Huang, when Great Qin was in the country, it was only a big country, with a population of 25 million, and there was about eight acres of land for one person at that time. When the Western Han Dynasty was at its strongest, the population exceeded 50 million, and at its peak, it exceeded 60 million people, and one person was seven and a half acres. At the end of the Eastern Han Dynasty, it was eleven acres. ”

Li Yuanxing said this, Li Er would not doubt it, if he needed to confirm it, he would just check the historical materials.

"I have 3.6 million households in Datang now, which is almost 123 million people. However, we have less than 50 million mu of fertile land, and the yield of the rest of the inferior land is too low! ”

How low is the yield of inferior fields, on average, it is not even a stone, only eight and a half buckets!

"Brother Huang, there are five acres of fertile land for one person. Let's not talk about the number of acres, let's talk about how much grain a person has, not counting Chang'an and Luoyang. Datang has an average yield of 200 catties per mu, and each person only has 1,000 catties of grain a year. Brother Huang is afraid or not, my brother doesn't know, anyway, I'm afraid! If you don't do it now, after three years, my brother is afraid that he will be powerless! ”

What is Li Yuanxing afraid of.

There is no need to explain that Li Er also knows that Datang is now developing rapidly, but once the grain does not keep up with the development, there is a possibility of turmoil, and it will make the country unstable. Datang is now not only consumed by the people of Datang, but also has a lot of external consumption, which will make Datang's food pressure greater.

"Brother Huang, my brother invites Tianying Pavilion to discuss the matter." (To be continued......)

PS: The second update, there is a plus update today.