The number of buildings in the valley began to increase, but they were all workshops.

Outside the workshop, high walls were erected, guarded by soldiers, and outsiders had no idea what was inside.

Only from time to time, the sound of striking iron can be heard in some workshops.

The small lake in the valley that had not been blown out of the valley was now getting deeper and deeper.

The impact of the water current, the sediment at the bottom and on the side is gradually being carried away, making the small lake deeper and deeper.

It's all underground rivers, and now the water looks extremely clear.

Now that it's the beginning of spring, there are still some grass stubbornly emerging from the cracks in the stones.

"Childe, the conditions have been negotiated!"

The fifth day of the new year hurried to the side, and his pretty face was full of joy.

"On what terms?"

Lu Chensheng sounded strange, and turned his head to look at the fifth day of junior high school.

"Trade with the foreigners, we have exchanged salt and iron tools for horses!"

When they first arrived last year, they were already talking to each other about the business.

It's just that the other party is unwilling in every way, and there is no iron or anything in addition as a condition of exchange.

In this way, the other party is even more reluctant.

But now that they have the iron tools that the nomads lack most, they are tempted.

In their opinion, it's just two thousand good horses, but it's not too much, just two thousand.

If the other party runs more, it won't be long before the horse is wasted.

But iron tools are too scarce for them!

So after thinking about it, the deal was agreed.

Lu Chensheng's face flashed with joy when he heard this, "What about the horse?" ”

"They sent back and drove the horses, and it was estimated that it would take some time."

When Chu Wu heard this, he immediately responded.

Lu Chensheng's face relaxed slightly when he heard this, there is nothing to wait for, and it would be the best thing if he could change to a horse.

"Well, you keep an eye on it, and make sure you get this business done."

Lu Chensheng commanded to the fifth day of the first month.

Chu Wu nodded again and again on the side, and then turned and left.

Lu Chensheng looked at the back of the fifth year of junior high school and shook his head secretly.

It's a pity, if it weren't for the lack of strength, where would you still need to trade, just grab it.

This transaction also delayed him a lot of forging time.

Thinking of this, Lu Chensheng became more and more dissatisfied, and when he became strong in the future, he had to go and grab some good horses, cattle and sheep to come back.

Although at that time, this good horse or something may not be so important, but since it was robbed, there is no need to dislike it too much.

"Done?"

Bai Yi walked over at this time, and she had just heard the voice from here.

"Yes, these horses should arrive in a while, and you can go and see when the time comes, but don't mix in some inferior products."

Lu Chensheng nodded, and then talked to Bai Yi.

Lu Chensheng didn't understand the identification of horses, but this Bai Yi had some methods.

Bai Yi nodded when he heard this, "I will supervise this matter." ”

As she spoke, her pretty face also had a hint of joy, and it would be great if they also had horses.

She is extremely familiar with the combat ability of cavalry.

"By the way, it looks like this city wall is going to be built, but the number of our soldiers is not too small, such a long defense line, such a small number of soldiers is completely insufficient."

Bai Yi got down to business.

The walls hadn't been built yet, so she didn't mention it.

But now, the city wall has been built, and she has to talk to Lu Chensheng about it.

It's just too big, and the fence is a little too long.

Lu Chensheng is going to get some places to plant rice fields inside, but in fact, it is no problem at all.

Not to mention a little, it is trivial to get a field of 10,000 acres.

The reason why Lu Chensheng is ready to get some land to grow food is that there are too few people here, and there is no need for too many places to live here, and on the other hand, it is to get some land to farm, which can be regarded as a precaution.

"Now that there are a lot of people in the city, let's put up a notice to explain that soldiers are going to be recruited, and the treatment and so on."

Lu Chensheng thought about it and spoke.

If the soldiers are to be recruited, the defense line will not be able to defend without soldiers.

Bai Yi's face was relieved when she heard this, Lu Chensheng promised to recruit soldiers, but she was also worried that Lu Chensheng would not be willing.

"If Xianggong wants to cultivate the land and plant seedlings, he needs to let people cultivate the land as soon as possible, and the spring planting time is not long."

In Bai Yi's opinion, it is indeed very good to use a piece of land for farming in a huge place.

Food has always been relied on to buy, and it is indeed not a thing.

It's just that Lu Chensheng was thinking a lot more than Bai Yi on the side, "Well, my husband knows about this." ”

Lu Chensheng said, walking towards the workshop on the side, some cattle bought a year ago, Lu Chensheng had dozens left, but now they can come in handy.

"Uncle Lin, have you made the Quyuan plough I want?"

In order to prepare for spring ploughing, Lu Chensheng gave the drawings to Uncle Lin and asked him to help make them.

Uncle Lin raised his head, and when he saw that it was Lu Chensheng, he immediately smiled happily, "It's done, it's over there, can you take a look?" I'm modifying it if I can't. ”

As he spoke, he pointed to the curved plow on the side.

Lu Chensheng stepped forward to take a look, and nodded hurriedly, "That's what it looks like, Uncle Lin bothered to build a few more sets." ”

When Uncle Lin heard this, he immediately nodded again and again.

"Don't worry, this object is very easy to build, and I will build more than a dozen sets for you in a few days!"

Lu Chensheng nodded with a smile, looked at several sets of Quyuan plows on the side, and asked people to take out and bring another cow.

Several old farmers were also called to Lu Chensheng by the way, "Uncle, this matter of cultivating land is going to trouble you." ”

Lu Chensheng specially spent money and invited extremely experienced old farmers to plough the land.

The old man doesn't mind, don't look at him as if he is still a little old, but he is still full of strength.

After being polite, he let the oxen put on the curved plough and began to plow the land at the place designated by Lu Chensheng.

This was just the beginning, and the old farmers immediately felt that something was different, this curved plough was much less labor-saving than they wanted, and an ox easily plowed the land.

Under such circumstances, the old farmers were suddenly full of strength, and their work became more and more energetic.

Water was being directed to this side, and in the blink of an eye, a rice paddy field was ploughed out.

Lu Chensheng called Erhu and the others over, "Assign you a homework, here is a record of various fertilizers, each of you go to ask for dozens of acres of land, use these dozens of acres of land as an experimental site, and see who can use fertilizer to make crops harvest more." ”

Lu Chensheng said to Erhu and the others.

Before the grain is harvested, they need to record the data and then figure out what kind of fertilizer will be used to get the most out of the crops.

This is Lu Chensheng's most important purpose.

Even when the harvest is excellent, one acre of land here is only about one hundred and thirty or four catties, and where it is like in later generations, one acre of land can reach hundreds of catties.

After a year of hard work, just for more than 100 catties of grain per acre, it is simply not worth it.

Lu Chensheng thought that he could increase the yield per mu.

It's just how to fertilize, this is a little troublesome to Lu Chensheng, some of the fertilizers used in later generations are not here, and the specific amount of fertilizer used is even more black.

Now that I think about it, I have left this to my students.