The sky was clear and cloudless.
On the vast plains, Liu Yuzheng's army and the enemy were about to fight.
The enemies on the opposite side are all ambitious barbarians. The Xiongnu, Tiefu, Xianbei, Lushuihu, Jie, Di, Qiang, etc. are all Liu Yu's enemies. Today he will fight them to the death here.
The Han army under Liu Yu showed no fear in the face of the ferocious barbarians. Amid the majestic drums and whistles, tens of thousands of Han troops marched in neat steps toward the barbarian army on the opposite side.
The Han soldiers first fired rows of deadly bullets with their muskets, and finally launched a charge with their bayonets drawn while shouting "Long live". The barbarian army on the opposite side had already been beaten to pieces and fled for their lives.
At this moment, countless Han troops suddenly appeared behind Liu Yu. They launched a sneak attack behind Liu Yu. During the sneak attack and the counterattack of the barbarian army, Liu Yu's army fell into a desperate situation.
When Liu Yu was the last Han to fall, he saw clearly that the people who attacked him were all under the banner of "Sima".
Liu Yu felt angry and stood up suddenly. Only then did he realize that he had fallen asleep leaning on the couch just now, and that everything just now was just a dream.
However, the feeling of being plotted and attacked by someone from the Sima family has long been deeply engraved in Liu Yu's heart. After all, privacy and treachery are also one of Sima Zhongda's special skills.
"What time is it?" Liu Yu asked the servant standing at the door.
"General, it's just past Shenshi."
"Has anyone come to see me?"
Later, the servant told Liu Yu that several waves of officials came to see him, but they did not bother him after learning that Liu Yu had rested. It seemed that there was nothing too urgent for everyone.
Liu Yu couldn't help feeling that with so many things to do, even a strong body would be tired.
Since the spring snow melted, many things that Liu Yu had planned for a long time in the winter have begun to be implemented.
The Western Jin Dynasty still belongs to the Medieval Era in the division of Chinese history. Many technologies and tools that were ordinary in later generations were significant and groundbreaking advancements at this time.
Therefore, Liu Yu recorded many of the techniques and ideas he remembered in winter, and after the beginning of spring, he selected some of them and ordered them to be tested and produced.
For example, the sun-dried salt method. During the Western Jin Dynasty, sea salt was still made by burning firewood and boiling salt, which required a lot of fuel and manpower. In the Spring and Autumn Period, the state of Qi, which boiled the sea for salt, almost cut down all the forests near Linzi.
The solar salt method, which was invented during the Song and Ming Dynasties, made full use of the high concentration of salt to precipitate, and could easily produce a large amount of sea salt, saving a lot of fuel and cooking manpower.
Donglai County is a place where there are many winds all year round. Except for the snowy winter, you can dry salt at other times. As for the fact that the salt and iron monopoly belongs to the imperial court at this time, Liu Yu has long forgotten it.
After all, the role of salt is not just for eating. In ancient times, it was also the best way to preserve food. All kinds of cured meats, salted fish, etc. relied on a large amount of cheap salt. Especially in Dongnae County, there are a lot of low-cost products. The salt and catches during the fishing season can be stored as reserve rations.
As for cardiovascular and cerebrovascular diseases caused by high salt intake, forget it, these diseases caused by eating salted fish are all diseases of wealth at this time.
The other one is to make fire saltpeter. Making gunpowder has always been a top priority for time travellers.
Unlike later generations, alchemy in the Western Jin Dynasty was still at the beginning of its rapid development. The immortal alchemists from all walks of life were still confused about how to obtain a large amount of fire salt and saltpeter. Even many low-level alchemy masters did not even know the difference between fire salt and sodium salt. Know how to tell the difference.
After a winter of scraping and boiling, the amount of fire salt produced by Liang An, the master of alchemy, was pitifully small in Liu Yu's opinion. It could almost be enough to make a cart of firecrackers.
. . . . . . . .
Soon, rumors spread throughout Donglai County that the prefect Liu Yu was either possessed by a god or had his soul taken away by a ghost.
Otherwise, how could Liu Jixing, who only knew how to dance with swords, guns and cicadas, suddenly know so many magical skills? I am afraid that the public transportation class back then may not necessarily know so many.
Even Liu Yu's old mother heard the rumors and felt that her youngest son might have been possessed by some evil spirit. Otherwise, how could he have become like this?
Liu Yu is ready to make a big impact on the Donglai Army and carry out technological innovations in farming and fishing that transcend the times.
An edict from Luoyang brought new changes to all this.
February 307.
Not long after entering the miserable era of Yongjia, Wang Mi, who was entrenched in the counties, called himself the General of Zhengdong and led an army of 20,000 people southward, sweeping across the entire Chengyang County, Langya County, etc.
The Western Jin Dynasty, which had no troops to mobilize, naturally thought of Liu Yu from Donglai County, and devised a plan to pit two tigers against each other.
In the imperial edict, the Western Jin Dynasty transferred Liu Yu to be the prefect of Chengyang County and ordered him to attack Wang Mi. The vacant post of prefect of Donglai County was taken over by Ju Xian, who was born in Donglai County.