At this time, the Han Dynasty still used the straight plow, which was a kind of agricultural tool that had been used since the ancient Shang and Zhou fashion eras.

The construction of the plough is very simple, it is actually two parts: an iron ploughshare in the shape of a shovel, and a straight wooden handrail for pulling.

Although the straight plough allows farmers to continuously plow the soil by dragging when ploughing, it greatly improves the efficiency of ploughing and makes it possible for cattle to plough.

But there are also disadvantages, that is, it is very bulky and inconvenient to make a U-turn.

The curved plough designed by Liu He according to the agricultural books of later generations has changed the length of the plow, and changed the curved to straight, saving materials, not to mention, but also reducing the weight of the whole plow, which is more convenient to turn around and control, and more saving manpower, which is equivalent to indirectly improving labor efficiency.

In addition, compared with the simple structure of the straight plow, the curved plough adds many parts, so that the plough is more functional.

For example, the plow arrow and plow evaluation can control the depth of the plough, such as the plow rudder for steering, such as the plow shovel that turns the ploughed soil to the sides.

In short, on the one hand, the curved plough improves labor efficiency, and on the other hand, it also saves material, animal and manpower.

Under Liu He's command, Wang Laosi and Meng San quickly put the Quyuan plough on the ploughing ox.

"Here's the plough arrow, here's the plow review. As long as the plough is pressed and the plow arrow is fixed from the plough comment, the depth of the plough can be deepened, and vice versa, the depth of the plough can be made shallow, and you can adjust it arbitrarily according to the situation of the field......

Liu He squatted on the ground to explain one component at a time, and from time to time he had to personally debug it.

These old peasants never imagined that this rough plough could be made so delicately.

By the time Liu He had introduced all the general usage of the Quyuan plow, his hands and feet were already covered with mud.

Liu He rubbed the mud on his hands on the placket, clapped his hands again and said, "Ladies and gentlemen, do you understand, if you don't understand, I'll talk about it again?" ”

"I understand, I understand, I really have a seven-trick exquisite heart under the door, I can make such a delicate thing, I really admire the old guy."

After Wang Laosi said this, he respectfully saluted Liu He. Led by him, the rest of the old peasants also bowed down.

"Everyone, hurry up, everyone get up, farming is the foundation of the world, and I am just doing my best little by little, it is difficult to be this great gift, it is difficult to be this great gift."

Liu He said while giving Yu Wuwu and Wang He a look, and under their pull, it was not easy to help the old farmers who fell to the ground to their knees.

Now that the function of the quyuan plough has been explained, it is time for the demonstration of the yuan.

Liu He stood at the back of the plow, holding a thin whip in one hand and a thin whip in the other, his hands covered with wet and sticky sweat.

At this time, Liu He was much more nervous than when he was in the county prison in the morning, after all, as long as he moved his mouth there, he had to do it here-it would be embarrassing to make a fool of himself.

But the ducks have already been caught up in the rack, and there is no way back. Or even if there is a way out, Liu He can't retreat: he can't even control this little Quyuan plow, how can he control the huge carriage of the Han Empire in the future?

"Daddy Niu, you must give face, don't be embarrassed!"

Liu He prayed silently several times in his heart to face the old ox in front of him, and finally decisively waved his whip and whipped it on its smooth and dark back.

The old scalper hesitated for a moment, and took the first step silently and calmly, followed by the second step......

Liu He felt the Quyuan plough in his hand move forward, he felt a burst of joy, and waved the second whip without a teacher......

The genes of the farming nation engraved in the bones almost completely burst out at this moment.

This is a small step for Liu He, but it is a big step for Dahan.

A man, an ox, and a plough kept advancing, turning, and turning around in the official fields.

Although Liu He walked a little crookedly, and almost fell down, the speed of plowing was visibly faster than when he used a straight plow.

Wang Laosi looked at Liu He, who had already walked into the distance, and squatted down silently, he reached out and touched the newly turned soil, his face was calm, but his heart was turbulent.

When the other old farmers were chattering about the use of the Quyuan plow, a strong laborer could plough a few more acres of land, and a thought suddenly burst into Wang Laosi's mind.

"Giving birth to a son should be like a disciple."

Wang Lao is four years old, so he is useless, but there are other ways.

He stood up and looked around with those cunning and cloudy eyes, and after making sure that no one noticed him, he cautiously walked to Wang He and Yu Wuwu's side.

Wang Laosi first bent down and smiled at Yu Wuwu, and then turned to Wang He who was on the side and said: "Brother Wang, you and I are both surnamed Wang, although they are from different counties, but Zuo was also a family five hundred years ago, right?" ”

Wang He was a little confused, this Wang Lao Si was seven or eight years old, and he was quite prestigious in the surrounding villages, so he was not polite to himself, how could he still be a relative with himself today.

If something goes wrong, there must be a demon, Wang He simply laughed twice but did not answer.

"Brother, I usually have a lot of offenses, and I ask my brother to bear with me."

"You and I haven't known each other for a day or two, and if you say these sour words, you will see the outside, if my brother has anything to say, just say it, there is no need to beat around the bush."

Wang Laosi twisted it, rubbed the mud in his palm, and then said: "I have a little girl in my family, who is twenty-eight years old this year, and I want to ask if there has been a marriage match under this door, if not, I want my brother to help pull a red line." ”

Wang He was like five thunderbolts, and he was stunned on the spot, and he didn't know what to say at all.

"I don't know which county the family is from, but my parents are still alive at home, and what kind of livelihood they do."

His grandfather was Emperor Xiaowu, and his father was King Changyi!

Of course, Wang He couldn't say these two sentences, he hurriedly stopped Wang Laosi from continuing to speak, and if he went on, even if two people had ten heads, it would not be enough to cut off.

"Brother Wang, Brother Wang, I'm not familiar with my subordinates, so stop this matter, and we'll discuss it later, and we'll discuss it later."

"Eh, my brother's sentence is wrong, you are both officials in the Prime Minister's Mansion, how can you not be familiar with it, even if you don't know, you have to help your niece ask?" Wang Laosi complained with some dissatisfaction.

Wang He hurriedly pointed to Yu Wuwu, who was smiling on the side, and said: "This Yu Langzhong is a close friend of his subordinates, he knows his subordinates best, you can ask him about this matter!" ”

Wang He hurriedly threw down this sentence and quickly urinated.

"Oh, that's it......" Wang Laosi turned to Yu Wuwu with a smile, and then said, "This Yu Langzhong, do you know where the people are and what kind of work your father does?" ”

Yu was stunned for a moment, stiffened for a moment before saying bluntly: "I don't know him well, just nodding friends." ”

Seeing that Wang Laosi was still going to ask, Yu Wuwu pointed to Liu He, who was already driving the cattle back, and said, "The door is back, I'll go for him." ”

After finishing speaking, Yu Wuwu also quickly fled, leaving Wang Laosi, who still wanted to speak with his mouth open, in place.