After waking up from amnesia, Wang You began to be unable to see through Zhen Qian, and suddenly it seemed that there were a lot of things in his head, and suddenly he forgot a lot of things.

"Actually, there are a lot of things you have seen in Sendai Village, but you haven't paid attention to it, and many inadvertent bits and pieces of life may be a change, whether you can catch it depends on what you think in your heart?"

"Seems to be the truth!"

Wang You's mind flashed through many scenes in the village, including the chicken coops he often saw, the "wastes" fired in the brick kilns, the specially carved out grassland ......, and there must have been many things he saw but didn't notice! What is it? I won't be able to remember it for a while.......

"The Mill!"

Wang You suddenly saw the houses by the river, and immediately thought of the windmill he saw by the river in the village, where there was no windmill, but a huge waterwheel was erected next to the mill, which slowly rotated with the flow of water.

"Everything here is not mysterious, there are things in Sendai Village here, but on a slightly larger scale......."

Wang You had a feeling of sudden enlightenment in his mind, everything in the wolf's den was an enlarged version of Sendai Village, where each tenant raised more than a dozen chickens, and the wolf's den raised tens of thousands of chickens in the same way, and more livestock ......, why couldn't he think of it before?

"Do you think the wolf's den isn't mysterious at all?"

Wang Yougang wanted to nod, and suddenly realized that the problem may not be as simple as he imagined, if everything here is so simple, why hide in the valley?

"Very good...... Start thinking about the problem with a different kind of thinking, then keep thinking with this kind of thinking, and soon there will be an answer! Zhen Qian pointed to the peasants working in the fields: "Look...... Isn't the curved plow familiar? ”

"Quyuan plow!" The same Quyuan plough also appeared in Sendai Village, but there was no large-scale promotion, only the tenants of Sendai Village were using it, when Wang You saw it, he thought that Zhen Qian was doing experiments, but he didn't expect it to be used on a large scale in the wolf's den, "Dalang, it's winter, what are the farmers in the fields doing?" ”

Most of the literati have a fatal problem, they have little knowledge beyond poetry and books, otherwise there would be no literati who can't distinguish between wheat seedlings and leeks, but later generations of students seem to have this problem, and even forget the ancient 24 solar terms, which can be seen in the lack of education.

"The growth of crops is related to temperature, the climate in the north and the south is different, the north can only be harvested once a year, and it becomes two crops a year in the Huaihe Yangtze River area, if further south, the climate there is more suitable for the growth of crops, and it is not a myth to grow three crops a year?"

"Three ripening ...... a year!" Wang Youyou is like listening to the book of heaven, what is the concept of three crops a year, one acre of land is equal to three times more grain, is this possible?

Seeing Wang You's face full of doubts, Zhen Qian continued: "You live in the north and naturally don't know the things in the south, there are many things in this world that you don't know, such as the ...... here, because it is in the valley, surrounded by mountains and humid climate, the temperature is more suitable for the growth of crops than outside, and it can also be harvested three times a year. ”

This can no longer be described as magical, although Wang You has never done farm work, but also knows that the north can only grow one season of wheat or rice, and the rotation can only be two years and three crops, which is good, of course, there is a premise, it must be a high-quality field.

As for the yield per mu, Wang You didn't ask, Zhen Qian had already started to use manure in Sendai Village, and one mu of land could produce three or four stones of grain, presumably the yield per mu in the valley would not be low, no wonder Zhen Qian said that a small valley could feed tens of thousands of people, it seems that Zhen Qian was not lying.

Wang You found that this time he came to the wolf's den was the most correct decision in his life, and the seemingly simple thing turned into a miracle in the valley, how many unknown secrets are hidden in the valley?

"Bell, bell, bell, bell......", there was a crisp sound of gongs in the valley, and many people in strange costumes gradually appeared on the road, hurriedly walking home, stopping when passing by Zhen Qian, and chatting with Zhen Qian enthusiastically, "This is ......."

"Da Lang...... Come back, come to my house and sit down! ”

"Master, when will you come to the school again to teach us?"

"The valley master is back!"

“……”

Zhen Qian stroked a child's head with one hand, pulled a smart girl with the other, and some four or five-year-old children carried small schoolbags and hugged Zhen Qian's thighs, and they were still running snot.

"Hello ......!"

"Is it still the habit of living in the valley? Is there any difficulty that can be raised...... isn't this Uncle Zhao? Is the kid in the house naughty again! ”

"Uncle Zhou, the white crystal you ordered last time has been shipped back, and it will be transported to the valley in a few days, and the raw materials of the white glass still have to be purified from the quartz sand, so you can hand this matter over to the Gewu group to study ...... together."

"Qian Bo, your lady is now able to artificially hatch chicks, if you can increase the hatching rate by three percent, you can promote, the key is the temperature control, I have asked the grid group to develop a thermometer, with a thermometer can accurately grasp the temperature and time of incubation......."

“……”

Wang You listened to Zhen Qian's chatting with the people around him, and suddenly realized that he still didn't really understand the secrets of the valley, he saw the chicken farm just now, but he didn't think about the problem of hatching, the chickens in the chicken farm were not hatched by the hens, which was also incredible.

"What is white glass, it seems to be very mysterious, and you want to use white crystal, what are you doing?"

"What is the Gewu Group, it seems that any problem needs the participation of the Gewu Group, isn't the Gewu Group the most mysterious place in the valley!"

Along the way, Wang You had a stomach of questions that could not be answered, and he was interrupted by the people around him as soon as he wanted to speak, which made Wang You very depressed, he had followed Zhen Qian for eight years, and now he realized that he didn't know anything about Zhen Qian.

"When I got to the ......", I don't know when, Wang You walked in front of a building built on the mountain, just after the first glance, Wang You was shocked by the shape of the building, "Oh my God! This building can't even see the top ......", Wang You found that his whole body was leaning back, and his body almost lost his center of gravity, how high must this be for people to look up.

ps: The appearance of Quyuan plough can be roughly concluded to be the Tang Dynasty, one said that it appeared in the early Tang Dynasty, one said that it appeared in the middle and late Tang Dynasty, and later generations from the ancient tomb murals excavated in the middle of the Tang Dynasty, Quyuan plough has appeared, it is certain that the appearance of Quyuan plough is before the middle of the Tang Dynasty at the latest, and this book adopts the statement of the middle and late Tang Dynasty.

Compared with the previous plough, the curved plow has several major improvements. First of all, the straight wheel, the long wheel is changed to the curved wheel, the short wheel, and the plow disc that can rotate freely is installed at the head of the wheel, so that not only the plow frame becomes smaller and lighter, but also is convenient to turn around and turn, the operation is flexible, and the manpower and livestock are saved. Because it was first popularized and applied in Suzhou and other places, it is also known as Jiangdong plow.

The plough of the Han Dynasty was a long straight plough, and it was not flexible enough to turn back when ploughing the land, and the soil was laborious and inefficient; Jia Siyi's Northern Wei Dynasty mentions the long curved plough and the "Wei plow", but due to the unknown records, there are no archaeological discoveries, so it can only be speculated that it is a short plough.