Chapter 418

After seeing off Emily and Lyon, Donne went directly to the Engineering Research Institute.

"Where's Brian?"

The boy who was stopped said flattered, "master Brian is in the back furnace."

furnace?

After Donne found Brian, the guy was making something excitedly. Although it was snowing outside, it was very dry near the steaming furnace, and the nearby apprentices were even sweating.

"What are you doing?"

"Big brother, are you here?"

Brian laughed wildly: "the previous battle inspired me. I decided to build a new type of armor. Believe me, you will like it at that time!"

"... well, come on."

Originally, I wanted him to be responsible for building a greenhouse. I'm afraid he won't calm down in a few days. Donne simply went to Nokia. Dwarf craftsmen should be more interested in this knowledge.

"Greenhouse?"

Not surprisingly, Nokia really had a very strong interest: "can you explain it in detail?"

Donne and Nokia chatted while drinking hot drinks. He told Nokia the principle and key architectural points of the greenhouse - in fact, he only knew a little about the greenhouse himself. He only knew that it was to isolate the cold air with glass or plastic and plant off-season vegetables in a constant temperature and humidity environment.

But knowing that this method is feasible is enough in prandal. Uncertain technologies can be solved by magic. This is the essence of magic reform.

"I see. It's a wonderful idea, but I don't think it's feasible."

Nokia marveled at Donne's idea, but he denied the feasibility of the scheme.

Edgar, who had nothing to do next to him, shook his head: "just changing the environment such as temperature and humidity can make vegetables grown in other seasons grow in winter... I think it's incredible. I'm afraid only the gods... Oh, and elves, such as Miss grantia, can do this."

Due to grantia's recent activity, her popularity in Ellington is quite high. Many people know that the food they eat is planted by grantia, so they are very grateful to her.

"Relying on the power of Druids is too limited after all. What I want to solve is a method that can be copied. No matter who, as long as a greenhouse is built and implemented according to the standards, it can be copied successfully and vegetables, melons and fruits can be planted."

Although the power of Druids is very convenient, human beings cannot always rely on elves. Moreover, the number of elves Druids is so small. How can they meet the needs of the whole mankind? Only by relying on human beings themselves is the key to solving the problem.

"Well, as you said, you can have a try."

Nokia clapped its hands and said, "anyway, it's snowing recently, and there's no big deal here. Let's try."

Crystal and universal alloy are available, so they just prepared a little and started work in the afternoon.

The place they chose was a field outside Ellington that had not yet been leased. The land had frozen due to snow and the frozen soil was very hard, but with Donne, of course, these were no problem.

"Are you sure this method is feasible?"

As the Minister of agriculture (nominally), grantia was also called. The little girl was hiding in Sanye, drinking hot fruit tea and waiting to see the painting for the first time, but she was dragged out by Donne. At the moment, she was full of complaints and had no place to spread it.

It was snowing heavily all around, and the snow on the ground was still very thick, but grantia still wore her green short sleeved skirt and didn't feel cold at all.

"Sure... Aren't you cold?"

"We elves are a race that can be in tune with nature. Of course it won't be cold."

"... you are not cold-blooded."

Dumne has already been unable to make complaints about it. How much has Claire been able to put up the elves?

"For the first time, I'll do it myself. Nokia, you can record the key points and keys of the construction and make it into a standard manual. Make sure that others can copy it according to the manual in the future."

Donne said with his hands open, a twisted vortex appeared over his head, and the accurately cut universal alloy flew out one by one, suspended in the air at a certain distance, and there were some thin pipes connected with each other.

As soon as Tang en snapped his fingers, the universal alloy column "crashed" to the ground and firmly pierced into the frozen soil. Then the frozen soil dissolved and lifted under the action of magic. After tightly wrapping the universal alloy, it turned into stone and firmly fixed the column there.

After all the columns are fixed, there are the surrounding walls - because the wall will consume a lot of universal alloy, the current output can not be wasted, so Donne used a very rough solution - earth magic.

Using the earth magic stone wall technique, a circle of solid stone wall is built, which is high-quality, cheap, strong and durable!

After installing the alloy gate on the remaining exit, Donne began to cap it.

Large blocks of colorless transparent crystals were taken out. After processing, these crystals are very flat and have high light transmittance. It is very suitable to be used as the ceiling of the greenhouse.

Of course, the cost of these crystals is slightly higher. If there is quartz sand, after firing various shapes of glass, the cost will certainly be further reduced.

The crystal is fixed by the card slot on the universal alloy. After the crystal is laid successively, the card slot is firmly fastened on it, which is very stable.

These crystals are only as thick as your thumb, but because you need to lay a magic array here to protect the greenhouse, you don't have to worry about the firmness at all. The trouble is to increase the thermal insulation effect, so you use a double-layer structure - including the just stone wall.

Soon the ceiling was all sealed.

"Is this the greenhouse?"

Grantia frowned: "it's just a sealed house... It's just crystal on the top."

"That doesn't count."

Donne motioned everyone to enter the greenhouse. After closing the door, the cold wind disappeared from all around, but there was still thick snow and cold air in the greenhouse.

"It's called a greenhouse because it's very warm... Wait a minute."

Tang en snapped his fingers: "fire."

I saw a fiery flame burning around Donne. The flames turned into a brilliant ribbon, flew out and turned around in the greenhouse. The snow on the ground melted in the blink of an eye, turned into water vapor, gathered on the ceiling, frozen on the crystal, and melted again

The temperature in the greenhouse rose rapidly, and the hard frozen soil began to regain its softness. All the water vapor in the greenhouse was emitted, and soon the whole greenhouse became humid and muggy.

"Hoo! It's so boring!"

Edgar couldn't stand it. He unbuttoned his coat: "magic is incredible. It's such a cold winter. It's so hot without a fireplace."

"Almost."

After the frozen soil in the field was turned over several times, Donne dispersed the fire element. At the moment, the temperature in the greenhouse has risen to 289 degrees. Moreover, because it is a closed double-layer insulation environment, this temperature will be maintained for a long time. If it is full of vegetables, melons and fruits and more carbon dioxide, the insulation effect will be better.

"Dicarios, your little brother can come."

Donne said to the air, and then a fire element appeared out of thin air. The fire element looked at Donne foolishly and waited for his order.

"Fire element?"

Nokia asked curiously, "do you want to use the element of fire to maintain the temperature here?"

"Yes, see the furnace in the middle? There is the central boiler of all pipelines. If the temperature drops, the fire element will heat up the boiler there, and then the hot water will be transmitted to the whole greenhouse through the pipeline to raise the temperature here... I call it heating."

"Others can't hire elemental creatures."

Seeing the ignition elements drill under the boiler in a daze, Donne smiled and said: "the standard manual can be changed to incineration boiler to quickly increase the temperature... In fact, if composting fermentation is used, the temperature can also be increased, but the efficiency is too slow."

"As for humidity and watering, you can let the water element help. The manual is written according to the previous pipeline irrigation technology."

"In addition to these, because it is in the greenhouse, it is too troublesome for the agricultural cultivator to drive in, so the cultivated land can rely on the power of soil elements."

"After planting a large number of crops, there will be a lot of carbon dioxide in it. At that time, you can use the exhaust fan driven by magic energy or the power of wind element..."

"Lord, what is carbon dioxide?"

"... it's a colorless gas. If the concentration is too high, it will kill people. Please mark it specially."

Nokia quickly wrote down these key data. Whether double-layer glass can keep warm or carbon dioxide, a deadly colorless gas, is very new knowledge.

"In order for you to see the effect as soon as possible... Grandia?"

Donne waved with a smile. Grantia reluctantly came out and took out the already prepared vegetable seeds. She just threw them away. Those seeds accurately fell into the opened soil. She sowed more than ten acres of farmland in minutes.

It takes a lot of time for seeds to germinate, but in order to let them see the results of the experiment as soon as possible, don asked grantia to carry out the catalytic experiment. As long as they see that the seeds can grow normally in the greenhouse, the effect has been achieved.

In fact, if he didn't know how to synthesize nutrient solution, Donne would like to directly develop more efficient soilless cultivation. It not only occupies a small space, but also the yield of many vegetables will increase a lot, and the yield per unit area will increase geometrically.

Now, he can only use the greenhouse technology to barely increase the vegetable production here. At least after the vegetable production increases, he will fill some food vacancies, reduce the price of winter vegetables, increase people's average nutritional intake base, and finally improve their comprehensive physical quality.

Of course, Donne's ultimate goal is to improve their average combat effectiveness.