According to Chen Xin's estimation, if he can get materials from Mo Qingyan this month to upgrade his greenhouse and replant vegetables in time, next month he will not only harvest vegetables seven times the current yield, but also harvest carrots planted last month, which is a bumper harvest.

It's just that if you really accept so many vegetables, you have to deal with them in time. Chen Xin can't finish eating so many vegetables by himself. His only choice is to take them out for supplies.

The big freezer he bought from Mo Qingyan would be full if he could put down hundreds of Jin of vegetables. That is to say, if his harvest in one month really increased seven times, he would have no place to put so many vegetables.

After careful consideration, Chen Xin decided to plant upland rice according to his original idea.

If it is to upgrade the use of materials, increase the planting area and hydroponic cultivation plate at the same time, Chen Xin can completely plant upland rice on the ground and move the planting of vegetables to hydroponic cultivation plate.

In this way, he can not only harvest enough food for himself, but also have enough fresh vegetables to exchange for supplies.

After all, the upgraded greenhouse will be 200 square meters in size, with the same area of hydroponic planting plate, and 200 square meters of upland rice, which can harvest two seasons a year, and can harvest nearly 600 Jin of rice.

For the vegetables planted on the hydroponic cultivation plate, with the current planting ratio of half carrots, half cabbages and lettuce, the average monthly harvest is about 600 Jin of cabbages, 600 Jin of lettuce and 300 Jin of carrots.

Although the carrots are harvested in March, they are more storable. Undoubtedly, they are a kind of high-quality material that can be traded.

With such a calculation, Chen Xin suddenly found that he had a lot of goods and materials, and he had a huge surplus of rice and vegetables.

He can exchange most of his monthly vegetable output for supplies to upgrade his shelter and make his life better. At the same time, he can also exchange other things to enrich his table, such as meat and wine.

These outputs can also be used in exchange for other things he needs, such as small farm machinery for farming and guns for self-protection.

Of course, Chen Xin doesn't have to change guns. He can change vegetables for materials, upgrade the weapon cabinet, point out the gun manufacturing drawings of the weapon cabinet, and make his own guns.

It's just that he's not sure what his gun will look like. If it's more primitive, its reliability and usability will be a little worse than the one he bought.

After all, he can find uncle Ding to change a pistol from the SWAT team through Ding Ning. If he makes his own pistol, it is likely to be the kind of simple firearms without rifling even if the upgrade level is not enough.

That kind of gun doesn't mean it can't be used, but it's not very practical, and it's not easy to carry.

However, the upgrade of the weapon cabinet is sure to be carried out. As the old saying goes, "the heart of harming people is indispensable, and the heart of defending people is indispensable". Having a reliable weapon for self-defense is also a guarantee for you to live better in this end of life.

With this in mind, Chen Xin added the materials needed to upgrade the weapon cabinet to his list. He decided to take the vegetables produced this month as a deposit to contact uncle Ding with Mo Qingyan in exchange for the materials on the list. The balance would be made up after he upgraded the greenhouse and expanded the output next month.

Although this kind of payment method is somewhat unreliable in the end, Chen Xin believes that he can still get these things in exchange for his relationship with Mo Qingyan and Ding Ning.

After making a list, Chen Xin is ready to put up his communication antenna and connect his shortwave radio station, so that he can get in touch with Mo Qingyan and them. He doesn't have to say anything and go to the city.

Now the temperature is not too low, so it's not a big problem to take a trip. But as the weather gets colder and colder, you will suffer when you go out.

With this in mind, Chen Xin takes out the military shortwave antenna made by Lucia, which he specially prepared from the tin box, and walks out of the shelter with the box.

Of course, the best place to set up the antenna is at the top of the mountain where his refuge is located. However, considering that the maintenance and wiring of the antenna are troublesome, Chen Xin chose to set up the antenna at the mid mountainside.

There is a cement base made in advance. Although the fire burned it badly before, the ash and residue on the surface were swept away. The cement base on the ground is still intact, which looks dark.

Clean up the cement base. Chen Xin takes out the shortwave antenna in the box and sets it on the cement base. He also screws the fixing bolts into the reserved screw holes to fix the shortwave antenna on the cement base.

After installing the antenna, Chen Xin also needs to connect the antenna with the shortwave radio station in the shelter.

Fortunately, the cable has been buried here in advance, but there is no need to pull the cable.

Chen Xin opened the grille of the shelter vent under the cement base, pulled out a cable from it, and then plugged it into the interface under the antenna.

After all this, Chen Xin did not forget to cover the antenna with a layer of camouflage cloth to avoid damage.Although there are few people who can still appear in the wild at this time, it must not be ordinary people. If someone finds the antenna, steals it for him or finds his refuge, and has any idea that he shouldn't have, it will also cause trouble for him.

So in order to reduce some unnecessary troubles, Chen Xin put a layer of camouflage cloth on the shortwave radome to make the whole antenna look like a small black mound.

Looking at his products and patting the dust on his hands, Chen Xin went back to the shelter satisfied.

In the shelter, Chen Xin also took out the shortwave radio, put it on the table reserved in the living room, and connected the other end of the cable to the shortwave radio.

After turning on the switch of the radio station and adjusting the channel, Chen Xin made his first call: "this is the writer. I'm calling all the survivors here. Please answer if you hear me. We are still alive, living and prosper.

this sentence is the signal they agreed at the beginning. When we get in touch after the disaster, we will say this sentence to show our identity and the status quo of survival.

Chen Xin is waiting, but there is a silence in the short wave radio station. Only the faint sound of electric current flows through, which makes Chen Xin feel a little frustrated.

Just when Chen Xin looked at the radio station which had no response and wanted to turn it off, a response voice finally sounded in the radio station: "this is the old farmer of farming land. I'm glad to hear your voice, writer. We are still alive, lively and prosper.

"here is a drilling master. I have enough materials to accommodate my companions who need refuge. We are still alive, lively and prosper.

"this is the Panthera Panthera. It's in good condition. I'm glad that everyone has survived this disaster. We are still alive, live and prosper.

"here is..."

One by one, Chen Xin's heart was filled with joy and excitement. All his companions in the survival group responded at the moment, proving that he was still alive.

And the last reply also remembered at this time: "I'm long Niang, and I've had a good life. It's so good that no one lost contact! Wearestillalive,Livelongandprosper!”

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