Chapter 751 Gretel: You Just Chopped up the Soil for Half a Month? ! (Ten Thousand Rewards Plus Two Updates)

The Lord of Thunder’s disciples, no matter how big or small, each of them counts.

Except for the Lord of Thunder himself, the two highest-ranking disciples, and the privileged Grete, the rest were all dragged into the wilderness. One person is responsible for a field, and there is a slight strange smell in the air.

Aurora crouched down at the edge of the field he was responsible for. After half a month, his robes were wrinkled and his boots were covered in mud. The underwear and coat on my body all stank, and the underwear rubbed against my skin, making my whole body itch.

After half a month, he began to slap a cleansing spell on his boots every time he took a step (he was scolded by the teacher);

When I walked to the edge of the field, when the teacher wasn't paying attention, I secretly applied cleaning techniques on my boots;

After half a day's work, when it's time to eat, take turns to pat your hands, clothes, and boots again;

After working all day, dragging your tired body back to the campsite, you can tidy up...

It is true that people fall very quickly. Just like this, I still have to be laughed at by the older brothers and sisters:

"Aurora, you are really spoiled and can't bear this little hardship. When we are adventuring in the wild, who will use the precious magic power for cleaning skills?"

Woohoo, I want to go back to Nevis, I want to go back to the Mage Tower... With Gretel, I only need to do experiments in the laboratory and meditate in the meditation room every day, clean and comfortable.

In all these years, when has he ever experienced the hardships of living in the wilderness?

"Aurora! It's time to begin!"

"yes!"

He got excited and responded loudly. Then, close your eyes, meditate, recite mantras, and guide magic...

"Crack!"

A blue-white electric arc shot out from his hand and landed on two long poles lined up in a straight line, 20 meters apart. The top of the long wooden pole is equipped with a metal joint, and the bottom is guided directly to the ground with wire. An electric arc shot out, and the tops of the two long poles lit up at the same time.

The third-level spell of the evocation system, lightning beam, completed!

Immediately, a skeleton plopped into the field, and three samples were randomly taken at three distances from the near, middle, and far distances from the point where the wire entered. Dig it out, package it, and send it to the edge of the field.

In the shed next to it, the alchemists set out their instruments and began to quickly dry, weigh soil samples, add chemicals, boil, cool, filter, and set the volume...

"Record! Lightning beam for the third time! Released by a sixth-level magician! Normal output!"

"The nitrogen content of the soil near the center is 1.70 grams per kilogram of soil!"

"The nitrogen content of the soil in the middle range is 1.47 grams per kilogram of soil!"

"The nitrogen content of soil at a distance is 1.33 grams per kilogram of soil!"

"The impact range of the lightning beam is 40*20 meters!"

"Increase the total amount of nitrogen within the range..."

Aurora gasped on the side. He kicked higher and lower, moved to another field, and cast the spell again——

If he doesn't finish the spell today, he won't let him go...

Magicians of the evocation system, magicians who can release lightning spells, were tested in turn using various methods. Some cast lightning in the air, some cast spells on long poles, and some cast spells directly on the ground;

Some directly chop, some attract cumulonimbus clouds, and then make the cumulonimbus clouds thunder and lightning;

There is also a large bottle filled with water, with a discharge rod inserted on each side of the bottle to control the water flow to continuously spray upwards. Then discharge electricity into the air above the water surface, then drop litmus reagent into the water, and watch the water turn red...

The Magic Council spared no effort in manpower and conducted intensive experiments by the Lord of Thunder's disciples. Soon, the Council came to a conclusion:

The existing magicians of the evocation system - except for the Lord of Thunder himself - exhaust all their spells every day and work hard to attract thunder every day, which can probably satisfy one-twentieth of the nitrogen fertilizer required for the country's fields?

And this group of people cannot all be busy triggering thunder. Evocation magicians are one of the most powerful and lethal factions in the Magic Council, and they are always fighting on the front line. Everyone is going to draw the thunder, and the fighting power in the front will have to be spared by the boss.

“It’s enough to feed the parliament and the people related to the parliament... we have to feed the whole country, are we thinking too much?”

Old Sam chewed his quill sadly. The nature of a magician is to love academics and advocate freedom. The council has issued a mandatory task, asking all evocation magicians to go to the fields to test the ability to induce thunder to add nitrogen fertilizer to the land. That's okay, everyone has the right to do experiments;

Let them stay in the fields for three and a half months, chopping every day, every month, on sunny days and on rainy days. Not to mention the contribution points that the Parliament spent on this, the required coercive power was also a huge drain on the authority of the Parliament.

——You know, the plastic magicians are very powerful in combat, and they are also the most powerful group of people when it comes to making trouble. They were blasted down for experiments, thanks to the words left by the Lord of Thunder before he left.

"Otherwise, we need to save less food? After all, there are so many nobles in the kingdom. We can't expect our family to worry about the God of War Temple and the Spring Water Temple..."

"That won't work." Grom, the great magician, turned his head sadly. The necromancer is also a mage, a living person, not a lich. He also needs to eat and does not want to see the kingdom starving to death. And the important thing is...

"We are cooperating with the Natural Gods! As for those old guys from the Natural Gods, how can they endure it when they see hungry people all over the place?! - The growth of crops ultimately depends on them!"

"Uh... let's think of something else..."

Think of a way, think of a way, the way won't come up in a short while. A large number of magicians were involved in the experiment, and at the same time, Aurora and most of the evocation magicians got a short vacation.

"But I'm back, I'm back! MOSS! Heat the hot water! Fill the bathtub! Get me some clothes! I want a good shower! Take a bath when I'm done! I want two invisible servants to wipe my back!"

Gretel looked at Aurora in surprise. After not seeing each other for half a month, Aurora's appearance completely changed. From top to bottom, her whole body looked like she had been fished out of a sauerkraut jar——

Her blond hair was messy and tangled, her clothes were wrinkled, and her boots were completely invisible. The whole body was covered with a layer of dust, and he walked by, one step at a time - the invisible servant followed behind and swept hard.

Coupled with the sour smell all over the body, some people say that it may be fished out of pickled vegetables in the pit.

"What's wrong with you?"

"Don't mention it! We were dragged to plow the fields! Plow the fields!"

After an hour and a half, Aurora was white and wrinkled from soaking, wearing silk pajamas, sitting in front of Grete's newly cooked hot pot. Pour down a plate of mutton, roll it a few times, and then quickly fish it out:

"Hiss...ha, he's lying dead, for the first time." He was panting from the heat, breathing hard with his mouth open, and stuffing mutton slices into his mouth like a starving ghost. Chewing juices everywhere, but at the same time he didn't forget to speak vaguely:

"Chop the fields dozens of times a day, use the lightning beam to chop the fields, use the electric ring to chop, finish the electric shock ring, summon the electric claws and cumulonimbus... I have to use up all the magic every day! All of them!" He complained bitterly:

"I can only secretly save a few cleaning skills to clean my clothes and shoes..."

"Don't you have servants to serve you?" Gretel was surprised:

"Impossible! When the council asks you to do work, it has to arrange for someone to serve you!"

"That's for sure... but the work of servants and washerwomen is just that. The clothes can't be washed clean, the clothes can't be dried when they are hung out, and it happens to be cloudy and rainy for a few days. Hey, it's not as good as me. Take two shots with the cleaning technique!"

... Judging from the miserable state you were in when you came in, your level of use of cleaning skills is just that...

Gretel cursed and silently moved the peanut butter bottles, sesame oil bottles, and various sauce bottles one by one to Aurora. Leisurely, I put radish slices, cabbage leaves, mushrooms, and various vegetables into the mutton pot...

There's nothing I can do about it. Eating too much mutton really makes me a little angry. I need to eat something light to temper it.

Aurora devoured a dozen plates of mutton before collapsing with satisfaction. He lay half on the sofa beside him, letting the invisible servant squeeze his legs, and hummed feebly:

"It is said that we have to go... rest for two days, and then pull it up again... It will take three and a half months to do this... It is said that it is up to us to increase the fertility of the soil..."

Rely on you?

Do you rely on you to artificially trigger lightning to fix nitrogen in the soil?

Gretel thought about it for a while, and suddenly felt that the painting was beautiful. Speaking of past lives, which country developed chemical fertilizers without relying on large-scale industrial production. We need to set up lightning rods all over the ground to attract thunder to apply nitrogen fertilizer to the fields...

At least half of the people in the world starve to death.

"By the way...have any of you tried using other methods to produce nitrogen fertilizer?"

"Do you have any idea?"

Aurora immediately jumped up from the sofa, staring directly at Gretel with bright eyes. Climbing out of the bathtub, I ate another big meal of hot pot. The red cheeks were so steamed that they deepened in color and were about to burn:

"It's a secret, you must find a way! I don't want to go to that damn place anymore! Let me squat on the edge of the farmland and chop the fields for three months. It's better to let me die!"

I probably won't die if I die, and the pain is really uncomfortable. The main thing is, instead of letting these energy-shaping mages lead thunder and fix nitrogen, let them take out the fertilizer industry——

How to make industrial nitrogen?

The earliest method that comes to my mind is the Haber nitrogen production method. Germany was forced to a desperate situation before World War I. It needed resources and had no resources. It was nothing. Haber, a strong chemist, came up with it... So what are the details?

I definitely haven't learned it in books, but I should have mentioned it in my daily extended reading, the teacher's casual narration, the classmates' chats to show their knowledge, and the patient's words of joy, right?

Gretel searched the memory bit by bit. It seems that synthetic ammonia can be produced by mixing nitrogen and hydrogen at a temperature of 600 degrees and a pressure of 200 atmospheres.

As for how to produce a large amount of pure hydrogen, how to produce a large amount of pure nitrogen, and how to remove oxygen from the air, he was at a loss. It seems, as if, what kind of catalyst is needed for the reaction of hydrogen and nitrogen?

What is it?

****

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I was looking up information today about how much nitrogen fertilizer can be produced in the soil by how big a lightning bolt is. I checked three papers and N unrelated papers but couldn't find it.

Then, I looked it up in the high school chemistry question bank...

(ran away crying)

Then, the difference in nitrogen content before and after fertilization was copied from another paper measuring soil nitrogen content. However, the nitrogen content of soil growing wheat and soil growing rice must be different. I am not responsible for the accuracy of the data...