For half a month after that, Li Su stayed around Chengdu and ate hot pot and barbecue every day.

During the day, inspect your territory and accept the farming achievements over the past two years.

At night, I will accompany my wife, appreciate the results of my wife's training of the female musicians at home every day, and enjoy some improved version of the new elegant music.

Anyway, before Liu Bei returned to Chengdu, before Zhao Yun and Taishi Ci and Sun Jian and Zhou Yu were concluded, he had nothing else to do.

The farming achievements of Shu County and Jianwei County in the past two years have been really impressive. After walking for so long, I almost couldn't recognize them when I came back.

In the Dujiangyan River Basin area of ​​Du'an County and Pi County, water trucks have been densely built and saturated by each canal, with a total of more than 2,000, more than half of them are spinned with silk, and hundreds of milled rice and wrought iron. When Li Su left last year, it was one order of magnitude less than now.

So, in a matter of fact, the "Shujin Industrial Chain" planned by Li Su at the time has actually been 100% of the production capacity of the silk reeling process.

Even temporarily, due to insufficient sericulture, the silk reeling process is overcapacity, and sometimes the water truck is idle and there is not enough cocoons for you to reel. You can only modify it temporarily and divide some of the power to spin the hemp.

Li Su happened to come to Dujiangyan that day. When he saw this scene, he asked Zhuge Jin who was visiting him: "How are the people's enthusiasm for planting mulberry trees and silkworms? Is the scale of mulberry trees increasing? As the county magistrate, have you asked counties to report the scale of new mulberry trees every quarter every year?"

Zhuge Jin also looked proud of the "Get Rich" of the photogenic people: "Of course, if the right general has time, he can go to Longquan Mountain to see. The old trees on Longquan Mountain were almost barren and replaced with mulberry forests. The edge of Qingcheng Mountain in Du'an County was almost cut off from the same as Longquan Mountain, and only Emei Mountain in Jianwei was left in the south.

Thanks to Mrs. Zun, someone who picked some pages and illustrations from "Agricultural Affairs" and wrote hundreds of copies to distributed them to major households in every county and township. We also supervised officials to persuade farmers to teach them. Therefore, many people learned the method of 'grafting', cutting down half of some trees that can be mixed with mulberry trees and leaving stakes, which can save two years of mulberry forest growth."

Grafting of mulberry trees means cutting out a wedge-shaped end face of the mulberry seedling branches and then inserting them on the freshly cut-off stump of other old trees. The section of the stake will also cut out the wedge-shaped depression section, and putting the grafted paper strips and part of the bark of the stump to ensure that the moisture and nutrients can be circulated, there is a high probability of survival.

Of course, mulberry trees cannot be grafted with any tree stump, and most varieties will die. Li Su didn't know which varieties were possible at the beginning. The most stable thing was to use mulberries to graft them with leaf-producing mulberries for silkworm raising. Cai Yan also got this message when chatting with Li Su, and wrote it casually into "Agricultural Affairs" but he had never practiced it himself.

Last year, when Zhuge Jin was about to promote grafting, he also conducted many comparison experiments, but dozens of batches of thousands of trees died, and then he summarized some valuable experience and added it to "Agricultural Affairs Techniques".

The results of the experiment were: In addition to the mulberry trees used in the results, they can also be grafted with fruit trees such as fig trees and lychee trees. The most exaggerated thing is that after the experiment, they found that the poisonous tree trees introduced from the south can be grafted with mulberry trees.

The next thing is simple. In the past two years, Zhuge Jin first asked someone to keep all these trees on Longquan Mountain in Qingcheng Mountain and graft the mulberry branches when they are cut down, which can save one or two years of growth than growing from the sapling state.

Those mulberry trees that grow from small saplings can reach the peak of mulberry leaf yield in five years and grow silkworms in three seasons a year. Grafted mulberry trees can reach the peak of yield in three years.

Li Su was also very curious. Anyway, Dujiangyan was closest to Qingcheng Mountain, so he asked Zhuge Jin to bring some guards and go deep into the people to visit privately.

The group rode their horses to the foot of Qingcheng Mountain and saw a mulberry garden on the hillside with a radius of hundreds of hectares. The vineyards were very wide. Most of them were saplings that were only two years old and could not raise silkworms. A small half were grafted and had begun to produce mulberry leaves and silkworms. However, the yield was not large. In theory, it would be possible to reach its peak after planting for more than a year.

Li Su: "Who is the property here? They have enough land."

Zhuge Jin: "It is the Yang family's industry. Several major celebrities from the Yang family were killed by Liu Yan back then, and the land was confiscated a lot, but there were other branches, and there were still industries in Du'an and Pi County. However, although the Right General was relieved, they were very convinced by the rule of the king. They also expressed their gratitude to me for teaching them new ways to get rich and make a fortune."

Li Su: "Then go in and take a look."

When the Yang family saw Zhuge Jin bringing people to inspect, they of course had come out to greet him. Although they didn't know Li Su, they accepted the head as soon as Zhuge Jin introduced him. The leader was a young man who seemed very humble and did not have the arrogance of the children of aristocratic families.

"No need to be polite. I am no longer the prefect of Shu County. I just think that in Shu, I used to work. Come back and see what your name is? What position do you currently live in?" Li Su gently asked them to get up.

"Yang Hong, who is white, follows the elders of the clan and study in Qingcheng Mountain to pass on their family members." The young man replied politely.

"Oh? Don't you want to be an official?" Li Suwen smiled.

Yang Hong: "The world is in chaos, but Shu is peaceful and prosperous, all of which are given by the King of Hanzhong and the Right General. The Right General has given so many skills to get rich, so we can feed the national team and the soldiers, which is the same."

Li Su nodded: "The mulberry gardens of the people on Qingcheng Mountain nearby are similar to those of your family? Are the cocoons now very easy to sell?"

Yang Hong said gratefully from the bottom of his heart: "It is all due to the silk-reeling water trucks set up by Zhuge County Magistrate in Dujiangyan. Now the people who raise silkworms now have as much as they raise, and they definitely have no one that cannot be sold in a good year. Three years later, all the mulberry trees will mature enough.

Last year, the mulberry forest was replaced, and the trees were weak and were infected with pests. The county magistrate also taught us to raise more chickens in the mulberry garden, but later it was indeed controlled. In the early years, the national magistrate who farmed in the country taught Qingcheng people to grow radishes on the mountainside to raise rabbits, and set up traps in winter to catch rabbits that had nowhere to be foraged.

Now the trees have been changed into mulberry forests, and they no longer raise rabbits. They all learn from the raising chickens taught by Zhuge Junzheng. The meat harvest is more than when raising rabbits. And the meat is delicious. Can the general have free time today? Since he comes to the humble house, he must taste it. He will definitely give the people the opportunity to respect him. We learn to make steamed chicken pots, but it is the 'steam pot' that has only been circulated recently. I heard that it was invented by Mrs. Zun. The general's family is really a genius."

The steamer mentioned by Yang Hong was of course, Li Su had just invented it two months ago, and steamed alcohol for Liu Bei to use for surgery. However, the technology in Shu was still spreading quickly. Within two months, scholars in Chengdu knew about the existence of steamer.

It is probably Cai Yan wrote it again in "The Book of Things in Heaven". Although it was not published, legends spread in a small range.

Li Su was originally coming to visit privately to understand the people's situation, but he didn't mind trying the chickens raised by the people in the mulberry garden. But he was a little curious, so he asked while visiting and observing: "The yield of chickens in the mulberry garden is more than that in the early years? How is it possible?"

Yang Hong smiled and said, "Of course, it is not only the pests, but also the remaining silkworm pupae from the cooked cocoons after peeling them. Silkworms are cleaner than other vegetables, Cordyceps, and although people cannot eat them, feeding chickens is just enough to make the best use of them."

When Li Su heard this, the corners of her mouth couldn't help but twitch slightly.

Silkworm pupa itself is also high in protein! Later generations have just fried silkworm pupae directly. It is also a big blame for the Han Dynasty that they were not educated and actually used it to raise chickens and eat chickens...

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However, considering that vegetable oil is scarce in this era, if silkworm pupa is not fried thoroughly and crispy without a large oil pan, it is really terrible and difficult to get down. Don’t force ordinary people to do so.

Raising chickens means raising **, which is nothing more than losing an energy conversion efficiency. According to common sense in biology, at least 80% of the energy efficiency is lost for every level passed on the food chain. In other words, only if the native chicken eats at least five kilograms of silkworm pupae, one kilogram of chicken can grow.

The white-feathered chickens and cramming ducks in later generations are not counted. Those are miracles of life, claiming to be a 40% energy conversion rate, which is not comparable to species in nature. Five kilograms of feed will be one kilogram of meat.

So, Li Su just casually said: "Tell the people that silkworm pupae can also be eaten. As long as they can be fried in a large oil pan, you can try it out with a wealthy family like you. It is quite wild."

Yang Hong was stunned and did not deny it, so he ordered someone to go and get another oil pan. Of course, his family could not use an iron oil pan like Li Su, but the oil pan that puts oil in the casserole, or animal oil, like making clay pot rice.

Li Su inspected the Qingcheng Mountain Sangyuan and returned to the Yang family's yard. Yang Hong had prepared lunch and respectfully invited Li Su to have a meal. He also cut a few pieces of chicken and took a few fried silkworm pupae to eat in person for Li Su to see.

"Kaz~" Zhuge Jin looked at Li Su chewing a few crisp silkworm pupae with fear, and there seemed to be no bad expression. Then he started to try it, and then he found that there was nothing wrong with it.

"It turns out that silkworm pupae can still be eaten. I really didn't expect it. It just consumes too much oil. It's really crispy. Just sprinkle some salt? It's even better if you sprinkle some cumin powder." Zhuge Jin praised it endlessly.

Li Su chewed the silkworm pupa and said, "It's not just the silkworm pupa. In fact, the locust plague in the north a few years ago. If the locusts were fried or roasted directly without oil, they could be eaten. In the disaster year, the people were displaced and starved thousands of miles away. If they knew that locusts could eat, they would die a few fewer adults."

Li Su said this, but in his heart he remembered the Northern Expedition plan that was postponed by him and Liu Bei until 194.

The reason why he originally hoped that the Northern Expedition in 193 was that he did not want to see the people of Guanzhong suffer from the repeated disasters in 194, and the rule of tyrants like Li Jue and Guo Si was still above his head.

There was a major earthquake in the spring of Guanzhong in 194, and there were several earthquakes. Later, there were droughts and locust plagues. The population of Guanzhong continued to decline rapidly for five years. It started from that year. There were many written in "Book of the Later Han Dynasty" and "Records of the Three Kingdoms", mainly emphasizing that Emperor Xian of Han's court could not withstand the triple blow of locusts and droughts. Chang'an had 50,000 yuan in rice per stone, which led to the migration eastward in 195 of the following year.

In history, until Emperor Xuanzong of Tang Dynasty, ordinary Chinese people believed that locusts were gods from heaven, and were a disaster that God told to warn the king. They could not be beaten or eaten, and fighting locust plagues was even more negative. The Book of Tang clearly stated that Yao Chong, the prime minister of Xuanzong, strongly recommended fighting locust plagues and breaking superstitions, which changed this tradition. (The unofficial history story also records that Yao Chong advised Li Longji to eat fried locusts in public, but the official history was not written, which may be the result of literary beautification and modification)

So there must be no one to break this superstition in the late Han Dynasty.

There was no Yao Chong in this era, so let Li Su do it then. Anyway, he had already written "The Refutation of Disasters and Disasters", and the whole world belongs to his "response of heaven and man" to Dong Zhongshu. "The locust plague is also God's warning to the loss of virtue of man and king" refuted the most thoroughly. Who else can I do this?

Let’s start by eating silkworm pupae to break the superstition.

After eating the fried silkworm pupae, Li Su tasted the steam pot chicken fed by the silkworm pupae. Although the yellow and shiny chicken soup could tell at a glance that the cholesterol was overflowing, it smelled so good.

"Si Liu~ Ha~" Li Su took a breath after repeatedly blowing the cold, and sighed a long time.
Chapter completed!