"Lang Jun, you see, when we were studying the plough shovel, because we referred to the cocoon cart, as a result, the mechanical plough staff was not successfully studied, and the columbladder was actually improved."

Sure enough, Yang Qiao asked them to refer to other machinery, they, not only referred to their own machinery, but even referred to the machinery of the outside world, take this cocoon as an example, it is a machine that uses animal power to sow seeds, and it can sow a few lines of seeds at the same time, and this thing, even Yang Qiao didn't think of it, why didn't he think of it, well, that, their own family is a test field, so it is rarely said that it needs to be planted quickly at the same time, and there is also a saying, that is, at this time, this kind of cocoon car is still in a state of secrecy, although this thing, It's been used for thousands of years, don't ask Yang Qiao how he knows.

If you have something to talk about, you can naturally know the development history of some things, although this columbus has been developed for a long time, but because of secrecy, in fact, it is not confidential, so ordinary people can't use it, right, there are not so many fields to plant, and there are not so many seeds to waste, so it is normal for Yang Qiao not to pay attention.

However, this thing, when it comes to secrecy, is not so secret, no, let these craftsmen get it.

"You see, Lang Jun, through this wheel, you can adjust the depth of this cocoon's planting, and you can also drive such a small gear, well, it is three gears, so that they can plant at the same time, and plant the same number of seeds, so that if you don't stop, it will be planted very evenly."

"Well, well, keep up the spirit of this research, but, now, can you control the number of seeds, only evenly?"

Well, one more question for you to solve.

If you solve all my problems this time, then you will be a real apprentice, not a craftsman, but a real researcher.

"Lang Jun, what you said is true, after doing these experiments this time, we will become technical researchers like that Dao Chang."

Daoist like that, oh, they are asking about chemical research, they are all dressed as Taoist priests, well, although they left Chang'an City and came to the Yang family, however, Yang Qiao did not cancel their identity as Taoist chiefs for them, that is, they are still Yang Qiao's direct subordinates, this chemistry is different, although Yang Qiao does not pay much attention to them, but they are really researching some new things.

"You continue to study, put my questions on the record, and the people who record should also record every success, every unsuccessful, unsuccessful, it is best to ask, why not succeed, in this way, maybe it will get twice the result with half the effort!"

Yang Qiao didn't know, his words, these craftsmen, on the road of research, are gone forever, no, there are no three days, they came to Yang Qiao again.

"Lang Jun, we want to ask you to go to the appraisal."

"Okay, let's go!"

"Lang Jun, you see, this time, we changed the wheel, and added some claws to it, that is, these claws can make the wheel grip the ground very smoothly, so that the sowing speed will be more uniform, and when controlling the number of seeds, at first, we were the wheels of this transmission were enlarged and reduced, but this is fixed, and even if the number of wheels is adjusted, it is not possible, and it cannot be adjusted linearly, so we have changed the movement of the seed wheel left and right, so that this kind of seed, It will be very simple to control the number of seeds, and when it is not made, it feels very difficult, but when it is made, it feels very simple, Lang Jun, what do you think. ”

"Okay, okay, but I have another question, this question, I'll answer it directly, you haven't found it, this wooden cocoon, it feels very unstrong, so, it's best to replace it all with iron, now our Datang's iron production is enough, and there is no longer a need to replace it with wood, and even, oh, forget it, use wood to test, maybe you can find something new, so, this wood experiment, or stick to it, it mainly depends on your observation ability."

Yes, isn't this mechanical ploughing machine just because of the broken shaft?

"Okay, Lang Jun, let's go and develop this kind of light iron cocoon car immediately, I don't know if Lang Jun has any suggestions."

"Is there another suggestion, that is, can you add a watering device to this cocoon, in times of drought, you can water this kind of seed at the same time, deeper, you can save water resources, this water is buried directly in the soil, it reduces the evaporation of water, do you think, well, naturally, you can also add an additional water tank alone, it's a big deal to put on an extra cow at that time, what do you think, even, you can also give water to the field alone, although it is troublesome, but it is always water-saving, isn't it, and, The roots of that kind of seed will be deeper, and the survival rate will be higher. ”

By the way, Lang Jun, you said that this sewage device can we even put fertilizer, and it is also like this, if the fertilizer is placed under this kind of seed, and then, the top is sown, will it be good for fertilization?

Well, sure enough, this craftsman can draw inferences, this fertilizer, it's not that there was no fertilizer in the previous life, but it's a chemical fertilizer, naturally it can't be placed under the seeds, but this soil fertilizer can naturally be placed under the seeds, especially the fertilizer handled by the Yang family, which is a dry fertilizer, which is made of loess and mashed

Well, at this time, the fertilizer treatment of the Yang family is like this, first of all, this is the fertilizer that has been made, advanced machinery and loess mixing, and then drying, and bagging, this bag is sealed with expensive kraft paper bags, this fertilizer, is considered a high-grade fertilizer, and there is a kind of fertilizer that is made of mud made of water from the manure, which is also dried, crushed, and bagged, this bag, is a sack, in short, these fertilizers are relatively clean, people can directly sprinkle them by hand, It is also possible to wear gloves to spread fertilizer, and now, with the proposal of the craftsman, use the cart as if it were sowing seeds.

"Well, by the way, my idea of going into the water, is it that you study and study, and use the biogas slurry in this way, this biogas slurry is also a good fertilizer, and it was a bit wasteful to use it before, so it will be better to use it like this."

Biogas residue, biogas slurry, this, is considered a secondary fertilizer, and it can be regarded as a way for the Yang family to process manure, in places that are not suitable for manure, it is treated with this biogas digester, and biogas can also be used, but this biogas slurry is more troublesome, and the smell will disperse, and this smell, in fact, is also a kind of fertilizer, so Yang Qiao has a new idea, well, this machinery for cultivating the field, is not too anxious, this is a serious matter, not a serious matter, as long as it is being done, it is a good thing, it will be done, no, Li Er received information again, which was also deliberately given out by Yang Qiao.

"Columbia, can control the number of seeds, control the uniformity, save animal power, good, good, and this idea, the method of saving water, control the evenness of the seed, and the seed rate, the best time to use is when the drought is dry, to be able to use the least water, to do the most things, sure enough, this kid is good to use, this is a lot of benefits, hey, it's the Ministry of Industry, it's really not worry-free, especially, the Ministry of Industry, is not in line with the manufacturing supervisor, I don't even dare to lower the level of the manufacturing supervisor, otherwise, This contradiction will be even more serious. ”

Manufacturing supervisor, in fact, is not a separate unit, one of the nine supervisors or something, but a part under the Ministry of Industry, but Li Er gave a new name, and the director of this manufacturing supervisor has been promoted to Shaofu Supervisor at this time, and it should be from the official position of the third grade, but at this time, Li Er promoted him to the third grade, and what about the Ministry of Works, well, because he is young, it was originally from the level of the second grade, and at this time, it is the level of the third grade, so it's the same relationship between the two subordinates, but this level is the same, There is no way to command, and even, even the subordinates of this young government eunuch, he can't mobilize it, well, Li Er just wants this effect, otherwise, this piece will be troublesome.

I've been talking for a long time, what is this manufacturing supervisor for, locomotives, cast iron, iron smelting, tracks, as long as it is iron, they all belong here, what about weapons, weapons, there is a separate weapons supervisor in the Ministry of War, this is different.

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