"Plant Carm trees?" Sun Jiao paused for a moment before a troubled expression appeared on her face.
"Is there a problem? Saplings can be bought on the market. If not, tell Zhou Guoping to think of other ways to get them. "Jiang Chen was puzzled.
"No, it's not the problem with the saplings. They are easy to get." Seeing that Jiang Chen seemed to have misunderstood her, Sun Jiao forced a smile. "The problem is with cultivation."
"Cultivation? I remember that this type of mutated plant should be able to survive on the soil of the apocalypse. Is there a problem? "Jiang Chen raised his eyebrows.
Normal crops couldn't survive on the nuclear and biological contaminated wasteland, but mutated plants that had undergone selection and elimination could. Logically speaking, anything that could be grown at the Sixth Street, there was no reason that the Fishbone base couldn't.
Hearing Jiang Chen's question, Sun Jiao facepalmed as she patiently explained the basics to him.
To plant on the wasteland, two factors must be considered. One was the radiation level, and the other was the soil contamination.
As long as there was material exchange with the outside world, the effects of radiation were unavoidable. There was nothing on the wasteland that didn't carry a trace of radiation, even if it was drinking water processed by automated water purification equipment. Because of the existence of EP and special drugs, low levels of radiation had no effect on humans. But plants didn't have the same treatment.
To prevent the planted apples from mutating, the radiation level must be controlled below 1. If the radiation level was higher than 5, even if it was a normal seed, it would become abnormal. With the technology of the Sixth Street, it was the limit to control the radiation level to 3. From this point, it could be seen how precious the canned fruits Jiang Chen brought with him were.
But the mutated plants that survived natural selection were not as precious, and their radiation resistance was generally higher. Using the Carm tree as an example, as long as the radiation level was below 40, it could grow normally. Most places on the wasteland had a radiation level between 10 to 20. As long as it wasn't a nuclear crater, the radiation level wouldn't reach 40.
The soil contamination was relatively easy to solve since the technology to grow without soil was already mature in the future.
Therefore, the plantations on the wasteland could be divided into two types.
The first type was to use soilless cultivation to grow crops.
The benefit of this method was obvious, it could completely ignore the effects of soil contamination, and the yield per unit area was higher than soilless cultivation. However, its disadvantage was also very obvious, and that was the high cost of cultivation. Using soilless cultivation techniques to produce industrial raw materials like Carm tree sap would definitely result in a huge loss. It was usually used to cultivate some luxury goods, such as fruits that were not completely mutated.
The representative building of the Sixth Street was the CNC plantation tower. Of course, because of the emergence of canned fruit, this industry was on the verge of bankruptcy.
The other is to plant them on the land.
It was simple and crude. All they had to do was sprinkle seeds, water and fertilize them, and the product would be produced. Whether to employ serfs for slash-and-burn farming or mechanized planting depended on the preferences of the landowner. It was mainly used to produce less exquisite varieties of plants. For example, the Carm Tree Resin used in industrial production, and various flavors of tobacco …
The advantage of this type of planting method was that the cost was low, but the soil quality requirements were somewhat harsh.
Taking the Carm Tree as an example, it could only be grown when the soil pollution level was less than 10. This kind of treasure land was rare on the wasteland, so the production of Carm tree sap was not high even in the Sixth Street. Originally, there was no demand for these things, but recently, the supply could not meet the demand.
"Can't I buy soilless cultivation equipment?" Jiang Chen was not willing to give up.
"Using soilless cultivation equipment to grow Carm tree, how many crystals would you have to spend to produce a ton of Carm tree sap?" Sun Jiao facepalmed.
This was a bit difficult.
Jiang Chen's eyebrows began to twist as he fell into deep thought.
But then, he suddenly thought of Lin Lin.
Right! The !
If it was possible to build a partial biosphere, there was no reason to not have the technology to improve the soil.
"Did you think of something?" Sun Jiao looked at Jiang Chen's constantly changing expression.
"Mhmm." A smile appeared on Jiang Chen's face. "Looks like the" little slave "in our mansion is going to be put to use."
Sun Jiao instantly understood as a hint of joy flashed across her face.
…
"What? Reduce soil pollution? Why do I have to help you? " Lin Lin shook the test tube with her fingers, her silky silver hair covered her expression of disdain as she said without hesitation.
The two different-colored eyes were the same as before he left. It looked like she was used to having an abnormal creature living in her body.
"Because you need to eat." Jiang Chen sighed as he said matter-of-factly.
That humiliated expression, he was more or less tired of seeing it, but this girl seemed to be enjoying it?
"Do you feel like you're being bullied?" Jiang Chen said helplessly as he looked at Lin Lin, who began to draw on the screen with a dejected expression.
She had a face no less beautiful than a beautiful girl, but she had to put on such a disgusting expression.
"Go die." Lin Lin drew the last stroke as she glared at Jiang Chen and made a face with her tongue out.
"What is this?" Jiang Chen ignored her actions as he moved closer to the screen.
"Hehe, idiot-" Lin Lin puffed up her chest as a smile appeared on her face.
"Ahem."
"Ahh! That's enough! Okay, I'll tell you. " Lin Lin pouted in frustration as she pointed at the screen. "The first step is to neutralize the pH, the second step is to remove heavy metal ions with an ion filter, the third step is …"
"Wait, what is an ion filter?" Jiang Chen interrupted her and asked with a confused expression.
"It's something that can easily filter a specific relative atomic mass. It should be very common," Lin Lin said nonchalantly.
[Fu * k, I've never heard of it.]
Jiang Chen suddenly remembered that Lin Lin seemed to have been staying in the research institute, or else she wouldn't be so clueless about the apocalypse. If that was the case, then she was probably referring to the fact that it was common in the laboratory.
[I miscalculated …]
"Let me ask, how many steps are there in the process?" Jiang Chen was speechless.
"Not much, not much. Just 24 processes. I've sampled the soil here, and the pollution level is 68. It's hard to believe that such poisonous soil can still grow weeds. "As soon as she mentioned her expertise, Lin Lin's expression became excited.
"Don't you consider the cost when you're working in the lab?" Jiang Chen mocked.
"Cost? Of course we consider it, "Lin Lin said nonchalantly.
"You have more than 20 steps, tell me, what's the cost?"
Lin Lin looked at Jiang Chen strangely.
"Did you misunderstand something? The Garden of Eden Project is not a 'soil purification plan'. Since it's a subproject of space colonization, why do we have to study how to control the Earth's pollution? With organic matter and minerals from other planets, we can create soil. Purification is too troublesome. "
"Create soil?"
"That's right, it's not difficult to create soil. At least it's much easier than washing the ground. But there are already contaminated 'finished products' everywhere. It's not easy to find the raw materials to synthesize soil. "Lin Lin sighed.
[Create soil? Other planets?]
Jiang Chen suddenly slapped his head and cursed in his mind.
[Fu * k, why didn't I think of that?] [Why is it so troublesome? I can travel to both sides!] [I can even move food back, how hard would it be to move a few hundred cubic meters of soil?]
Since the problem was solved, Jiang Chen didn't want to continue the topic, so he changed the topic.
"Okay, let's not talk about this for now … Also, did you finish the task I gave you?"
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