Qiao Xiachu wore a black hat to endure the high temperature, and put on a black mask, whispering in Qiao Mobai's ear: "It's time to exchange, let's see the goods."

Qiao Mobai nodded.

He got up, followed the big man to the side, showed each other his goods, then directly sealed the things, exchanged them, and said goodbye.

A transaction was completed so quickly.

When he got back to the house, Qiao Mobai saw the various shapes of gold and silver jewelry in the bag, as well as the messy jade, pearl necklace, platinum necklace and earrings...

He looked surprised and said: "Here, so many sweet potato seedlings, so much jewelry?"

Qiao Xiachu didn't take it seriously.

Even Qiao Dongliu hasn't developed heat-resistant sweet potato seedlings yet. She cultivated them in the black soil for one night before they grew quickly.

Even if it is planted in dry soil, the taste is only slightly worse.

"If you want to continue selling, you can cultivate it yourself and dig the soil. I can help you, but I can't do the whole process for you all the time," she said.

The community has lost management. Recently, people have been digging holes and digging wells everywhere.

The cement floor was also dilapidated, and it had been destroyed in all directions during the melting ice period. Except for the housing area, everything else had been loosened, just like a large construction site.

Qiao Xiachu doesn't like boring work very much.

She still likes to continue to train her physical fitness, keep her muscle groups from falling behind, and keep vigilant at all times, so that she can be sure of winning when she encounters danger.

Qiao Mobai readily agreed.

His favorite thing is planting.

Once he started, he was 100 percent committed.

After each batch of seedlings matured, Qiao Mobai asked his sister to send them into the space to "keep them alive and fresh", so that they could make a lot of money and grow thousands of catties of seedlings in one go.

The whole house, including the balcony, was dug up by him to cultivate the seedlings, and all he had to do was put crocks and pots on the bed...

Qiao Xiachu didn't care either.

Anyway, the room next door is Rong Huaiyan's, and he gave her a key before, taking advantage of the present, directly occupying his empty room and developing it into a "cultivation base".

A month later, Qiao Mobai decided to continue selling sweet potato seedlings.

Qiao Xiachu helped him change into a new outfit.

This time, he directly pretended to be a dandy from a rich family, with his hair flying up, nothing but black spots and ugly spots.

The two came to the night market together.

As soon as they passed by, they heard discussions from all around.

"Have you heard? The heat-resistant sweet potatoes came out, and I have eaten them. It's delicious. That taste, tsk tsk—"

"Really, I haven't heard that the first base has been successfully developed."

"Tch, you guys are so ignorant and ignorant. It was made by the Fifth Base. They even came to sell sweet potatoes yesterday."

"Ahhh, really? Where are the heat-resistant sweet potato seedlings? I want to buy them. How do I sell them?"

A group of people were extremely excited.

Unfortunately, no one knows where to sell sweet potato seedlings...

Until Qiao Mo appeared with his arms akimbo.

He stroked his flying black hair, his face was high-spirited, so triumphant that he really looked like a hated second-generation ancestor.

"Cut, you bunch of idiots, I, Uncle, belong to the base, and he has a large number of seedlings to sell. If any of you have gold, jewelry, and the like, I want them all!" He said "arrogantly".

As he spoke, he directly pulled out a seedling from his bag.

"what--"

"Sweet potato seedlings!"

A group of people were dumbfounded.

I have long eyes.

After a while, the crowd rushed over like a flood. If Qiao Xiachu hadn't reacted quickly and led him to the nearest pier, he would have been crushed into meatloaf by them.

"Don't rob, whoever robs, don't sell it to him!"

Qiao Xiachu let out a sharp roar.

Her voice was loud and full of energy, instantly calming down everyone.

Everyone slowed down, their eyes were watching the stars and the moon, guarding the siblings.

Qiao Mobai's heart was beating wildly.

He barely suppressed his voice, and explained what he wanted to collect. The scene was filled with nearby residents, and every household basically had some gold, silver, jewelry and jade articles. When they heard that they could buy sweet potato seedlings, they naturally went home to pick them up non-stop. After a while, the seedlings were snatched up.

Qiao Xiachu took Qiao Mobai and deliberately made several big bends, passing through two neighborhoods at random, before returning to Tianding from the small path.

I didn't bring enough seedlings, but I changed a lot of jewelry.

"It's not safe. I'll talk to the leader of the Fifth Base tomorrow, and I'll give them all the seedlings and let them sell them outside." Qiao Xiachu said.

Qiao Mobai nodded.

He realized it too.

Along the way, many people followed them.

If it wasn't for Qiao Xiachu's keenness and vigilance to throw off the pursuers along the way, I am afraid that both of them would not be able to return to Tianding alive.

first base.

Qiao Dongliu's office.

"Dr. Qiao, how is your research on heat-resistant crops going? Is there any progress?" A man in white walked up to Qiao Dongliu and asked solemnly.

Qiao Dongliu has never been out of the base. Since the temperature has risen, the cold-resistant cabbage has not been able to connect normally. The seeds of ordinary crops, under the high heat, high radiation and drought outside, will stop growing in one day, let alone the yield.

The temperature is rising steadily, and the indoor temperature is as high as 40 degrees, not to mention the soil temperature, especially at noon, when all the seedlings put in the soil are all dried out and sunburned to death.

Tomatoes with high temperature resistance and high yield can barely survive, but they need sufficient water resources.

This is very difficult to satisfy.

The river course dries up, the severe drought comes, the soil gradually becomes silty, and the water content is frighteningly low. How can the immature seedlings hold it? Even if there is nutrient solution, it will not help.

Even soilless cultivation requires plenty of water.

This is currently unattainable.

Qiao Dongliu led the team to try many times, but they never found a breakthrough, and the progress of heat-resistant varieties has almost stagnated for more than a month.

He was also overwhelmed with anxiety.

But at this time, the chief steward of the lord came to disturb him, and he was very upset.

"Boss, as you know, this research doesn't happen overnight, let's wait another six months, and we will definitely have results by then." Qiao Dongliu greeted him with a smile on his face.

No matter how much he doesn't like He Xu, but after all, the other party is the person in front of the lord and cannot be offended.

He Xu looked mocking.

He said: "Dr. Qiao, you may not know it. The Fifth Base is already selling heat-resistant sweet potatoes. Look, this is the sweet potato they grow. Try it."

As he spoke, He Xu, who was dressed in white, took out a ziplock bag from his pocket, which contained a purple-red sweet potato.

Qiao Dongliu looked shocked.

He thought it was a joke, and quickly said: "Secretary He, don't make fun of me, isn't this just an ordinary sweet potato?"

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