The last human in the universe

Chapter 14 Living Quarters

Time is still rushing by in Zhao Changxing's busy schedule.The children are growing up day by day, which can also be detected from the increase in their appetite-fortunately, the soilless cultivation workshop has been put into full operation, and the food production is fully sufficient, so Zhao Changxing has not been pressured.

Otherwise, the problem of feeding the children alone would be enough for him to have a headache.

Human Base No. [-] is also showing its appearance bit by bit.

At this moment, in addition to the five completed buildings, namely the soilless cultivation workshop, animal husbandry workshop, life support area, fully automatic nutrient solution preparation workshop, and warehouse area, the sixth building is about to be completed.

The sixth building is called the Waste Recycling Center.After the No. [-] base is completed, the waste in all other areas, such as chicken manure and pig manure produced by the animal husbandry workshop, crops planted in the soilless cultivation workshop, abandoned plants after harvesting fruits, and domestic garbage produced in the living area , bones, human feces, etc., will all be transported here for further processing.

The reason why Zhao Changxing built the garbage recycling center is not that Zhao Changxing wants to do something about environmental protection on Sedna, but that there will be many recyclable things among these discarded garbage. It is very necessary to recover them to achieve the "closed loop of energy and materials" in the base.

For example, chicken manure, pig manure, fish manure and other things can be used as nutrient solution for plants after treatment, human food waste can be used as feed for livestock after treatment, and crop plants can also be used as feed after treatment.

A portion of nutrients is collected from Sedna, and after being formulated, it is first used by various crops.Their output is for livestock, aquatic products and human consumption, and the excrement of livestock, aquatic products and human beings can be returned to be used for crop growth again, thus forming a "closed loop of energy and materials", which can greatly improve the utilization rate of materials , greatly reducing Zhao Changxing's workload.

Before the garbage recycling center was built, Base No. [-] also operated according to this logic, but Zhao Changxing's deep participation was required to complete it.After the garbage recycling center is completed, he can be freed from this process and leave everything to Xiaoxi.

The construction of the sixth building took Zhao Changxing more than three months.After it is also completed, Zhao Changxing can finally start the construction of the animal husbandry and aquaculture workshop.

The animal husbandry and aquaculture workshop will produce a large amount of feces, bones, inedible body structures such as lymphatic viscera, feathers, sewage rich in organic matter, etc. The amount is so large that Zhao Changxing cannot complete the processing work by manpower.This is also one of the reasons why Zhao Changxing must first complete the garbage recycling center before officially starting to raise animals.

Zhao Changxing intends to divide the animal husbandry and aquaculture workshop into eight parts.Chickens, ducks, geese, pigs, cattle and sheep each occupy a part, the four major fishes share a part, and aquatic plants occupy a part.Among these eight parts, chickens are more important, occupying an area of ​​200 square meters exclusively, while ducks and geese occupy an area of ​​50 square meters. This area can raise about 800 chickens, 100 ducks, and 50 geese. look.Some of them produce meat and some of them produce eggs, so there are both meat and eggs.

Excluding accidents such as illness, ideally, Zhao Changxing can get about 6 eggs, 2 tons of chicken, 0.1 duck eggs, 0.5 tons of duck meat, 0.1 goose eggs, and 0.3 tons of goose meat each year.

Pork is undoubtedly one of the most important types of food. Zhao Changxing intends to divide an area of ​​400 square meters for the pig breeding area. After adopting the double-layer breeding method, he will reserve the area required for the installation of breeding pigs, sows, and various equipment. , This area can build about 80 pig houses and keep 80 pigs at the same time.Calculated according to the 7-month slaughter time, and assuming that all piglets grow up smoothly, Zhao Changxing can obtain about 8.5 tons of pork every year.

Excluding the four types of animals, chickens, ducks, geese, and pigs, there is still an area of ​​300 square meters in the livestock and aquaculture area.Among them, Zhao Changxing plans to divide 100 square meters for cattle, and it is enough to raise 4 heads, including two dairy cows and two beef cattle.

Considering all kinds of factors, two beef cattle can produce 0.5 tons of beef a year based on the calculation of beef cattle being slaughtered in one year.

The sheep breeding area is also 100 square meters, and this area can raise about 30 sheep. Calculated on the basis of half a year, the annual output of mutton is about 0.6 tons.

There are 100 square meters left, of which 50 square meters are allocated to fish.Zhao Changxing plans to build a fish pond, which can produce several hundred fish every year.The remaining 50 square meters also built a pond to grow some miscellaneous things such as kelp, lotus root, and algae.

Calculated together, the annual output of various meat in the animal husbandry and aquaculture area can be about 13 tons.But this is under the premise of full power operation, and food needs to be adequately supplied.

At this stage, Base No. 10 obviously does not have such sufficient food.You know, even with all kinds of vegetables, the total annual food output of the soilless cultivation workshop is more than [-] tons, which is not enough to feed all of them.

"Calculating at this stage, including all crop plants, such as corn stalks, rice stalks, soybean stalks, wheat straw, etc., and supplementing some grains, it can probably support about 30% of the total production efficiency of the animal husbandry workshop. It will affect food reserves. This efficiency is a bit low."

In the original base planning, the animal husbandry and aquaculture area could not reach the level of full-power production.This requires Zhao Changxing to lead a new generation of human beings to build more and larger soilless cultivation workshops by themselves, and it can only be achieved after there is enough food output.But now, Zhao Changxing is not satisfied with this situation.

As long as he thinks of the 30 babies that will be born in a few years, he is extremely eager to store more meat and more grain in the warehouse.

After all, with food in hand, there is no panic in the heart.

"Let me think about it, think about it again... Well, the only way now is to use a starch reactor to directly synthesize starch as feed."

However, this technology is immature. There was no technology for large-scale synthesis of starch on the earth.Otherwise, there must be related equipment in the Tinder spacecraft.

"I only have two reactors now, and I can only synthesize a few kilograms of starch every day, which is useless. It is not realistic to build more reactors. Sigh."

After thinking about it, Zhao Changxing had no choice but to accept the reality that the animal husbandry and aquaculture area can only operate at 30% power at this stage with regret.Calculated in this way, the annual output becomes about 3.5 eggs and [-] tons of meat.

Because of the decrease in production, Zhao Changxing does not need to build all the interior of the animal husbandry and aquaculture area at this moment, but only build a part, which is enough for current use.This saved a lot of time, and it only took about half a year to complete the construction. Therefore, a new batch of chickens, ducks, geese, pigs, cattle and sheep were put in and began to grow slowly under the supervision of the fully automatic breeding system.

After the initial completion of the "closed loop of energy and materials", the construction of the No. [-] base has once again entered a new level.Next, Zhao Changxing started the construction of another extremely important area in Base No. [-].

Living Area.

The current population is still relatively small, and the children are still too young, so living in the Tinder spacecraft can still be maintained.But when the population increases in the future, it will become inevitable to live in the Sedna Star [-] base.

In Zhao Changxing's plan, the new generation of humans will live in the Tinder spacecraft when they are under 18 years old, and they will move here to live when they reach 18 years old.The reason for doing this is mainly to prevent the low-gravity environment of Sedna Star from affecting the growth and development of children.

The maximum supply population of the materials produced by the No. 200 base is about 40 people, including about 100 adults, and more than [-] babies, toddlers and teenagers.If there is more, there will be a famine.

On the whole, there are 40 people living here in the living area of ​​Base No. 20.According to a room of 40 square meters, two people live in it, and 400 people need a living area of ​​at least 3000 square meters.In addition, it is necessary to plan people's entertainment areas, dining halls, leisure areas and other places, counting the area of ​​corridors and the area occupied by buildings. In general, the total area of ​​the living area will be as high as [-] square meters. , bigger than the soilless cultivation workshop.

But there is no way to do this. We can't let people live in small pigeon cages, which will lead to psychological problems after a long time.

At this moment, counting the six buildings that have been completed before, plus the current living area, the total area has reached about 8000 square meters.

After the animal husbandry and aquaculture area was put into operation, Zhao Changxing had no time to rest, and once again devoted himself to the construction of the living area without stopping.

This is the largest building in Human Base One so far.Zhao Changxing knew that this project would inevitably take a huge amount of time, so he was not in a hurry during the construction process, and just proceeded step by step.

As time goes by bit by bit, the built-up area of ​​the living area is getting bigger and bigger.During this process, due to the different growth cycles of various crops, chickens, ducks, geese, pigs, cattle and sheep, there will always be a harvest time for a crop or animal after a short period of time.

This time was the happiest time for Zhao Changxing, as if his exhausted body could burst out with strength again after a busy day.At this time, Zhao Changxing would always spare a little time, and he would not give up until he saw that the grain or meat was really put into the warehouse for storage.

Today is the time for corn harvest.The harvest time was set at five o'clock in the afternoon.And it was only 45:[-], and Zhao Changxing had already arrived at this grain.

Looking at the tall and straight corns with huge and plump fruits, Zhao Changxing couldn't help smiling.

　Two updates of 6000 words (equivalent to the third update of a chapter of 2000 words) are completed, please collect it! ! ! ! ! (Adding to the bookshelf is a collection), please recommend tickets and monthly tickets! ! !

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(End of this chapter)