"Baby Cow, it's not time for you to visit this place, but it's almost there, it's just that some trees are too small!"

On the city wall, Yang Qiao sat on a sightseeing train with Niu Baobao and others and was looking at the whole city, talking, Yang Qiao explained the scene in the city to Niu Baobao, as well as the scene outside.

"Here, it's one side of the city, and here, you see, there are a lot of greenhouses, these greenhouses, are used to cultivate new decontamination plants, and the outside planting, are some decontamination plants, well, all along, we have been transplanting some big trees from all over the place, why do I say this place is too small?"

"yes, why is it too small instead of digging a big tree?"

"What about this, I explained it to you earlier, uh, it should have been explained for a long time, these trees are also decontamination trees, they are several variants of trees, you see, there are sewage pipes in the ground over there."

Yang Qiao pointed to a line in the city, well, this so-called line should be said to be a trace of the construction of the entire city, if you go down, you can't see it clearly, you can only watch it on the city wall.

Well, there is another kind of drawings, that is, the drawings are displayed, that is, people who don't understand the terrain display must look for the drawings, otherwise, when the city has a new construction or renovate something, there is no way, and these underground facilities will be destroyed.

"Sewer?"

Niu Baobao just asked curiously, well, ask as many things as possible, what Yang Qiao can say, all will be explained, and later, someone will record it, record it, and will give Li Er's reference.

"What about sewage, this, I'm going to give you a good explanation, originally, this sewage, there is, but it's very little, well, very little, not nothing, for example, the water used in the past when smelting iron, even if it is sewage, and the water for washing jewelry in the jewelry store, and, uh, this is to say, it seems, there are a lot of it, but, at that time, no matter how much, it will be naturally digested, well, the sewage I am talking about, is this kind of industrial sewage, and there is a kind of sewage, which is domestic sewage, such as, brush pot water at home, Before, those brush pot water, not called sewage, such as, ordinary people, use lard or something to make a dish, this brush pot water is drinkable, eh, eh, even at this time, it can also be drunk, but what, the good household that brush the pot water, is the brush pot water, well, the bad household, will give the brush pot water to the next person to drink. ”

"Brother-in-law, why are they so bad?"

The baby cow was a little angry when he heard this.

"Don't be angry, don't be angry, little doll's house, what are you doing when you're angry, brush the pot water, it's not a bad thing, it's still drinkable, it's just not good, well, no matter how bad it is, don't say it, I'm just giving an example, this is called domestic sewage, eh, naturally this domestic sewage, there will be more, such as, feces or something, it's all counted, but these things, after fermentation, can be used as waste, yes, this, need to be reasonably treated, naturally, in this city, there is also this second sewage treatment pipeline, That's right, it's the sewage pipe that flows outside the city, it will enter the septic tank, and then it will be taken away manually, it's too thin, it will live on the soil, if it's too dry, it's generally not too dry, but in order to prevent accidents, you still need to be prepared, that is, there must be some grass put in, and then, it is also fermented, by the way, the agricultural technicians in your field have learned this fermentation technology, can it be promoted? ”

"Ah, brother-in-law, you said this fermentation technology, and the Lun family understands what domestic sewage is, it turns out to be this."

When Yang Qiao said the fermentation technology, Niu Baobao suddenly understood, well, what is domestic sewage, that, this fermentation fertilizer technology, is it also a project promoted by Niu Baobao, for this reason, it was also sent to Yang Qiao's home to train a few agricultural technicians, however, these personnel, at this time, are all under the management of Sinong Temple, well, however, at present, it is just a job in Niu Baobao, well, they all have official status.

"That's right, that's it, you should have known it a long time ago, what about this, it's just fermented here, it's used outside the city, you see some fields over there, and, over there, isn't there a small village over there, well, in fact, there are such small villages around the city, this is also my Yang family's, it is the field that was purchased later, used to deal with these domestic garbage, and also, didn't you find that the neighborhood is too barren, and there are more weeds, uh, over there, you see, there are a lot of people mowing the grass, The grass is being cut while it is fertile, and then it is manure, well, and some of it is packed and sent to the house by train for the livestock. ”

Well, is this an acquisition of pigweed?

Also, the surrounding villages are considered tenants of the Yang family, that is, the taxes are paid by the Yang family, but what is planted is also up to the Yang family.

For example, outside the northern city, that is, to the south of a mountain, the climate here is different from other places, well, why is it different, this is a mountain col, no matter how big it is, it is also a mountain col, so the climate here will still show a difference.

Not to mention that the north of the city is like spring all year round, it is also a windbreaker, so here, Yang Qiao cultivated bamboo, well, a place where you can eat big bamboo shoots, and this col is still relatively fertile, you can pick up mushrooms, and you can pick up it all the way to the halfway waist of the mountain.

"This is domestic sewage, because it is useless in the city, so it is sent to the outside of the city, and the industrial sewage, the so-called industrial sewage, is naturally the dirty water of washing the lathe or something, and there are some oil stains or something, most of them are generated in the workshop, and even, even the sewage for washing work clothes is also considered industrial sewage, well, washing clothes at home, the water, is also regarded as industrial sewage, with soap, in this soap, but there is caustic soda, this industrial sewage, is through another pipe, um, It's the place I only showed you before, under which one, it will flow to this area, uh, it's gone, you see those trees, there are some noises, it's pumping this sewage, and then, pouring it on the roots of the trees, this, unlike ordinary watering, is it poured under the ground, because it's sewage, so it's hard to see water on the surface, and even, it's not even dirty, you see, the fog-like equipment, that, it's clear water, it's moistening the wet surface, so that it will make the surface clean. Separate from the dirt beneath the surface. ”

"Brother-in-law, what if there is too much sewage?"

Niu Baobao asked a key question, well, Li Er also wanted to know, however, this wanted to know, it was a long time later, when he saw this record, he only wanted to know, but it was not synchronous to know, at this time, there was no external phone on the train, only the phone between the carriages.

So, at this time, this record or something, will be summarized after people get off the car, and sent to Li Second-hand, well, it is something recorded by Niu Baobao's subordinates, and things recorded by Yang Qiao's subordinates, naturally, it will be returned to the archives and will not be passed on, but when Niu Baobao's subordinates summarize, you can find things recorded by Yang Qiao's subordinates for reference.

"There is a lot of sewage, no, well, there was before, at that time, these green plants were cultivated, naturally, the amount of sewage was also less, but at this time, there were more plants, you see, these few square areas, also planted with this kind of trees, as well as such grasses and shrubs."

At this time, in the test workshop here, there is also the greenhouse, three forms of plants have been successfully cultivated, one is the shape of the tree, the forehead, that is, the tree, and the other is the shape of the shrub, this, unlike ordinary shrubs, is not big, that is, pruning, it is not big, naturally, it is for the beautification of the environment, and there is another kind, that is, the shape of the grass, the types of grass, there are more, well, there are ordinary landscaping grass, small, short, can be used as the grassland in the square, There is also a kind of grass that can be cut to cook gum, well, grass that cannot be fed to livestock.

Rubber tapping, which can be regarded as a mature technology, is that the sewage is converted through these grasses, shrubs, and trees, but this needs to be boiled or cut.

"Baby Niu, look over there, a new laboratory has been added, a biological laboratory, that is, it is to cultivate some creatures that can eat dirt, such as, frogs, toads or something, well, these things, they are special existences."