Coming to the Xuanyuan tribe, Yang Jiao and his entourage's high-headed horses really shocked the other party, the wild nature of the mountain horses still exists, except for the riders on horseback, almost the six relatives do not recognize, the onlookers want to touch, all of them are overturned, provoking the Xuanyuan people to shout that the leader of Yang is really the incarnation of the gods, and even the younger brother has a divine beast.

Xuanyuan Decheng set up a banquet to pick up the wind and wash the dust for Yang Li and others, although there were only more than ten people who ate, but they were all the heads of the Xuanyuan tribe, including Xuanyuan Decheng's old mother, and the leaders of more than ten nearby villages.

Everyone treated Yulia as if she were talking to each other, but fortunately, Yang Li kept passing small snacks to her, suppressing the girl's anger.

After thirty years of drinking, Chief Xuanyuan said that he wanted to try horseback riding, Yang Yu saw that he was in high spirits, so he agreed, and asked Xue Pijiang to find a horse with the best temper and help Xuanyuan Decheng up.

In fact, even if the war horse with a violent temper was staring at Xue Pijiang on the side, he didn't dare to make waves, so Chief Xuanyuan's life was bound to be safe.

So everyone rushed out of the leader's house, and watched Xuanyuan Decheng ride a war horse and turn around twice in the open space outside, this speed is the most bumpy wave mode, and after a toss, Chief Xuanyuan's face is not very good-looking.

But he was addicted to riding a horse and couldn't extricate himself, and when he saw the envious eyes of the clansmen, he was simply stunned, so his old face was slightly red, and he asked Yang Jiao: "Leader Yang, you horse, is it (for sale)?" Ouch! ”

said that it was too late, and then it was fast, the war horse suddenly neighed, and the person stood up, his front hooves soared into the air, and he kicked backwards, and threw Xuanyuan Decheng off the horse.

Xue Bijiang put away the small movements in his hand and made a shocked expression.

Yang Li secretly gave him a thumbs up, and then as if a disaster had fallen from the sky, he shouted that the chief was fine! hurriedly rushed forward and helped him up: "It's all the leader's mistake!" ”

"It's okay...... it's okay" Xuanyuan Decheng hurriedly waved his hand, and he wanted to go up again.

But the war horse completely ignored Yang Li's call, poured urine on Xuanyuan Decheng's leg, and then rushed out of the crowd and ran away.

"Hey, it's not a secret, we haven't been able to domesticate this kind of animal yet," Yang Jiao looked sad and confessed in public, "Although they look good, they can run around in private, bite dogs and hit people, and there is no way to discipline them for the time being, so it's better to change to a more obedient horse for Chief Xuanyuan to ride." ”

"No need, no need, I understand the kindness of Chief Yang, hahaha." Chief Xuanyuan was choked with horse urine, and rushed into the house to change his boots, where was the idea of buying a horse.

After the banquet, Yang Li and others were arranged in the house next to the chief's house, although there was no horse shed, but the young men had good hands-on ability, found wood and thatch, and temporarily built one by dividing it by two, which was relatively close to the sleeping place, and could also use the horse's body temperature to keep warm.

Everyone laid a good bed, put the bags away, Yang Li and a few people had their own rooms, and the guards were arranged in the hall, the time was in the afternoon, Yang Li decided to check the entire Xuanyuan clan, so he asked Xuanyuan Decheng for a guide.

The guide came soon, it was his old friend Xuanyuan Guang, he seemed to have lost some weight in the past few days, probably because of poor food, plus more physical labor, and lost some of his vitality.

Xuanyuan Guang was hung on the flagpole by Yang Jiao for a day before, but he is an open-minded young man, where is the accountant, although his eyes are evasive, but he is still very enthusiastic, saying that our Xuanyuan tribe is very large, if it is not for a native like me to take you to experience, you can't walk for three days and three nights.

Yang Yu said that it was good to have you, regardless of previous suspicions, and helpful, what a big warm man, everyone was well fed and clothed, and began to observe the Xuanyuan clan.

Xuanyuan Hill is the seat of the Xuanyuan clan in history, on the whole, it is a low hillside, the south side is relatively steep, the north side is relatively flat, there is not much vegetation, and after countless generations of cutting and transformation, the whole hill is called the main body of the settlement.

There are large and small springs in the mountains, and the wells are distributed in an orderly manner, which can basically meet the domestic water needs of the residents on the mountain, but cannot meet the agricultural irrigation, so it is often seen that people carry buckets from the bottom of the mountain to the mountain, and transport the water from the rivers in the south of the mountain to the mountain.

Yang Li found that terraces had not yet been invented, and crops were planted directly on slopes.

One of the drawbacks of this planting method is that it can easily lead to soil erosion, because the root system of crops is weak, and weeds will be removed in order to ensure that the crop particles get sufficient nutrients, so that the bare soil is more likely to go down the mountain under the washing of rain and irrigation water, and the accumulation of valuable humus is not easy and will become scarce.

Yang Li decided to teach the concept of terraces to the Xuanyuan clan, the accumulation of technology in the barbarian era is not easy, and the slow soil erosion is afraid that several generations will not be able to detect, and by the time they realize the root of the problem, I am afraid it will be too late.

According to several modern archaeological documents, the fall of Babylon was related to irrational irrigation.

The Babylonians were the people who occupied the valley of the two rivers after the Sumerians, but they did not have a relationship between the two peoples, but belonged to two peoples.

They built a state-of-the-art irrigation system that diverted water from the Euphrates and Tigris rivers into the farmland, ensuring a continuous supply of water without much manual operation.

But while the Babylonians were building an automatic irrigation system, they neglected to divert the water to drain out, which led to a problem in which the minerals, trace elements and salts in the water were deposited in the soil after the water evaporated, and could not be discharged.

What does this mean, that is, when planting flowers, there is no hole under the pot, and the salt in the water is left in the soil, resulting in salinization of the soil, and the crops naturally cannot survive.

You must know that water in nature is not 100% pure water, pure water is the effect that can only be achieved in the laboratory, as long as there is a little salt in the clear water, the accumulation of salt in the land over time is very considerable.

The loss of a large amount of arable land in the later period of the Babylonians, which led to a decline in national power, is a lesson from the past.

Since there are no Babylonians and there are still Sumerians, it makes more sense to call it a lesson from the future.

Yang Jiao naturally didn't want the Xuanyuan clan to suffer a similar misfortune, so he found the person in charge of the mountain and began to demonstrate the construction of terraces to everyone.

The advantage of terraces is to keep the ground flat at the position of cultivated land, reduce soil erosion, although it can not be completely avoided, but compared with extensive planting, it will not cause great harm, theoretically speaking, the slope angle is greater than 25 degrees of mountains and hills, it is no longer suitable for terraced reclamation, but in practical application, about 30 degrees of the slope, the construction of terraces is still feasible.

The Xuanyuan clan does not have a minister of agriculture, and the person in charge is named Xuanyuan Hong, who is the cousin of the Xuanyuan chief, and he chatted a few words at noon.

You must know that the big leader of Los Angeles is loved by everyone in his clan, and the cattle traded these days have made the materials and personnel exchanges between the various settlements of the Xuanyuan tribe more than ten times easier, and the goods that originally needed to be transported by twenty people now only need two people plus an ox cart.

The matter of dividing the cattle has not yet been Xuanyuan Hong's turn, but the middle-aged man estimated the speed of the transaction between the two places, and soon those leaders will be allocated some cattle, and their own families will also have a share at that time.

But if you have a good relationship with the leader of Yang at this time, maybe you don't need to talk about seniority, and you will wait hard in the Xuanyuan clan, maybe when you are happy, you will immediately give you a cow, it is said that the big leader is in need of carpenters and craftsmen, and when the time comes, he will send his youngest son, which is always right.

Yang Li didn't know that Los Angeles had become a beacon of civilization in other eyes, and he actually had the intention of immigration, if he noticed it, he might be very excited, and immediately start to form the United Nations, get a world policeman to be the officer, and build a separation wall on the border to pretend to be forced.

Xuanyuan Hong sorted out the animal skin on his body: "Leader Yang, do you have something to do with me?" ”

Yang Jiao chatted with him a few words, and after confirming that this was not an idealistic teenager like Xuanyuan Guang, he began to explain the knowledge of soil erosion to him: "Big brother, let me tell you a story......"

So Babylon was told as a negative example, and of course the salinization of their land was changed to soil erosion, and the country was ruined.

Xuanyuan Hong was stunned when he heard this, and said Although I don't understand, it seems that the consequences are very serious, what do you say, Leader Yang.

Yang Li said that it is unrealistic to transform your entire mountain farmland for a while, so let's take your family's land as an experiment, considering that it is the first practical operation, and you have to eradicate half of the original crops on the land, so as compensation, when the time comes, I will send you a ploughing ox and a set of bronze ploughs.

Xuanyuan Hong is simply happy, he said that even if this land is not wanted, it will be okay to give it to you Yang Da Chief, Xuanyuan Chief he can show off all day long when he gets a bronze sword, if he has a set of plows, he will not be favored by the girls and widows at the head of the village, and he will go to the peak of his life from then on.

Just do it, Xuanyuan Hong found more than 20 people, digging the soil, waving the shovel, although the shovel is still wooden, but everyone is full of energy, at a glance, Xuanyuan Hong promised them enough benefits.

Putting the sloping land in Xuanyuanhong's house into a step-like shape, then laying the dug humus back and transporting the excess soil away, Yang Li used some small wooden sticks to stick them in the ground, marked the location of the digging ditch, and took into account irrigation and drainage, showing the regular qualities of an old farmer in the field.

Everything is done, it is already evening, Xuanyuan Hong forced Yang Li to eat, it is really difficult to refuse, so it is another wine banquet, this time it is a big wild boar of more than 100 catties roasted on the charcoal fire, the wooden stick passes through the middle, and the oil is bubbling between the rotations, and the belly with the most fat is distributed to Yang Li.

Yang Jiao hurriedly exchanged the tenderloin in Yulia's hand, saying that fat meat can be beautiful if eaten, but Mao Mei is not stupid, of course she doesn't change it, so it finally fell into Xuanyuan's bowl.

Xuanyuan Guang carefully wrapped the fat meat with leaves, saying that it was brought to the family to eat Jiang Huahua, she was still young and had great potential, and it was not a problem to gain a hundred pounds of weight.

After getting the terraces and teaching how to promote, Yang Li walked the slopes of Xuanyuan Hill, most of which still belonged to the settlements of the upper class of the tribe, and could not see the lives of the most ordinary people, so Yang Li chose to go around the mountain the next day and go down to the grassroots.

There are also patches of millet at the bottom of the mountain, which seem to grow better than on the mountain, but in the patches of millet land, there seems to be a small amount of other crops mixed in, and the distance is far away, so Yang Jiao asked Xuanyuan Guang to lead the way and go to check.