From Propulsion City To Multiverse

June 23, 5th year of the new calendar.

After Zheng Sen received the harvest of early rice in Jiangnan, Lingnan, and Nanyang, he knew that the time was right to unify the Central Plains.

This year, a total of 150 million mu of early rice has been planted across the south, with an average yield of 144 kilograms per mu and 2.16 million tons of rice produced.

Grain companies purchased and stored 970,000 tons of grain, and with the remaining 1.66 million grain reserves from last year, the current inventory has reached 2.63 million tons.

This food is enough to feed 9 million people for a whole year.

And then there are winter wheat, soybeans, and sorghum in the north; late rice and soybeans in Jiangnan and Lingnan; late rice in Nanyang, bananas, and breadfruit.

Farmers across the South have enough food reserves for a family for at least half a year, and some farmers have even stored food for two years.

In Jiangnan and Lingnan, which have been controlled by the People's Revolutionary Federation for several years, as long as they are not lazy, the barns are basically filled with dry rice and beans.

With food in hand, don't panic.

Farmers naturally know that grain cannot be stored for too long. Even if there are preaching officials to popularize storage technology, farmers' barns still cannot reach the storage limit of 3 years.

The preaching officials from all over the country are also cooperating with the grain companies to let the farmers sell the old grain in their hands and then use the new grain for storage.

However, the old grain cannot exceed 2 years, otherwise the price will be discounted by 30%.

In addition, more and more materials are produced by the industrial sector, and the categories are even more dazzling.

Farmers are people too.

When there is a material basis, naturally you won't treat yourself too badly.

At present, the demand for chemical fertilizers, ironware, agricultural machinery, and daily necessities in rural areas is very alarming, and the commodities of supply and marketing cooperatives in various places are in a state of short supply.

In the first half of this year, individual farmers purchased 53,000 tons of struvite fertilizer alone, excluding purchases from government-run farms.

Then there are cotton and silk, rubber shoes and raincoats, soap candles, toothbrushes and toothpaste, pots and pans, glass products, wooden furniture, hardware, decorations, etc.

Many people have lived a good life that small landlords can't even imagine.

After all, based on the calculation of a family of five, a family needs 50 mu of arable land, and 100 mu of arable land in the north. If all food crops are planted, with good weather, perfect infrastructure, and fertilizer support, it can produce 17 to 20 tons of grain every year.

And even if the farmers themselves eat openly, they can't eat 2 tons of grain a year. This surplus is very obvious.

If it weren't for the impact of the war in the past few years, the price of food has been very strong, and it is estimated that many farmers will switch to other cash crops.

For example, in the Nanyang Islands and Luzon Islands, the planting area of ​​sugar cane, mulberry, cotton, and coconut is increasing steadily.

These economic crops are for the production of sugar, fodder, textiles, edible oil, paper, and compost.

And Zheng Sen does not need to force farmers to plant anything, but adjusts through the purchase price. For example, in the past few years, a huge amount of grain is needed internally to stabilize the newly occupied area, so it is naturally necessary to continue to maintain the purchase price of grain.

After the unification of the Central Plains is completed, the grain procurement and delivery in some areas can be suppressed, so that the planting area of ​​other crops in these areas can be increased.

However, there is a calculation formula for the bottom line of grain planting area.

That is, the minimum annual personal grain demand ÷ annual arable land yield per mu × total population × prevention value = safety value of domestic arable land.

The minimum annual individual food demand set by the Human Revolutionary Federation is 300 kilograms, the current annual yield of cultivated land is 263 kilograms per mu, the latest total population is 30.21 million, and the preventive value is 3.6.

That is 300÷263×30210000×3.6

≈124050000 mu.

In other words, the Human Revolutionary Federation needs at least 124.05 million mu of arable land at this time to ensure a stable internal food supply in the event of large-scale wars and natural disasters.

That's the bottom line.

Among them, the preventive value is not static, but should be regularly adjusted according to the average grain yield per mu every 10 years, the natural population growth rate, and the production reduction rate caused by natural disasters.

With such a well-prepared MANRA, Zheng Sen can maintain high-intensity foreign wars for a long time.

...

With this year's early rice storage data, Zheng Sen immediately ordered the frontline troops to launch a full-scale attack on Guanzhong, Jindi, and Bashu.

The front-line troops, which had already been gearing up for a while, rushed straight in from the Three Gorges, Tongguan, and Yanmen Pass like lightning upon receiving Zheng Sen's order.

boom!

The gateway to the Guanzhong Plain, Tongguan City, which was difficult to shake in the cold weapon era, quickly collapsed under heavy artillery strikes.

The black-clothed guards who had long been lurking in the Tang army, together with the Tang army soldiers who had been instigated, responded quickly at this time.

kill!

For the Datong world!

I'm not a nobleman! Don't kill me...

Let's go...

Even if Li Tang equipped more than 20 bronze cannons on Tongguan City, he still couldn't resist the joint army and air force.

In addition, many ordinary soldiers of the Tang army did not have the idea of ​​fighting for Li Tang at all. In less than an hour, this ancient grand pass fell.

However, the Tang army stationed here, as well as some of Li Tang's diehard loyalists, as well as powerful clan soldiers, were the tough ones.

Urban street fighting is inevitable.

Li Tang Neiwei, who was secretly hiding in Tongguan, quickly released hundreds of pigeons. This is an early warning system that has been prepared.

Li Xiaogong, who stayed in Chang'an, quickly retreated to the Hexi Corridor with 50,000 horses, while he stayed behind.

Gu La

Yeah! Why don't we go together! the eldest son Li Chongyi said sadly.

Li Xiaogong, who was standing on the city wall, turned his back to his son and his subordinates: No one stays to defend Chang'an. If you don't reach Hexi, you will be chased by the army of thieves. Let's go! Don't look back! This is no longer where we are waiting. world.

Yeah...uh... Li Chongyi's eyes darkened.

A big bearded man directly knocked Li Chongyi unconscious, then cupped his hands to Li Xiaogong with tears in his eyes and said: Patriarch! The villain will swear to the death to escort the little prince to Qihe, Patriarch take care.

Go! If he just turns around, tie him to the Seven Rivers.

Obey!

Under the scorching sun, Li Xiaogong's heart was like the twelfth lunar month. He knew what it meant to stay and defend Chang'an.

At this time, the ordinary soldiers in Chang'an City had already been expelled, and there were only more than 6,000 dead soldiers and clan soldiers left in the Tang army in the city.

Li Xiaogong chose to expel those young and strong civilians. The reason was naturally that he was not sure of controlling these people. Tongguan City, Bajun, and Yanmen Pass had all been conquered, and one-third of the Tang troops stationed there had rebelled.

This number completely chilled Li Xiaogong's heart.

Leaving those civilian soldiers now will become a time bomb instead.

Fortunately, Li Xiaogong had already made preparations. After the army and air force captured the three fortresses, among the Tang troops everywhere, those tyrants quickly took over the mountains and became kings, and then pulled the food and all materials that were previously controlled into Wubao. , is set on fire.

Although the Air Force and the Black Guards quickly organized an uprising army and took back some supplies, the food for the common people would definitely not last for half a month.

This is one of Li Xiaogong's poisonous tricks.

In addition, many wells were buried, all dead animals and people were thrown into rivers, and mountains were set on fire at the same time.

For a time, the Guanzhong Plain, Bashu, and Jin were mourned.

Li Tang only took away less than 2.3 million people, and there are about 6 million people left in the three places.

In addition, there are a large number of tyrants who occupy the mountains as kings, but these tyrants who cannot see the form clearly are only a small part after all.

The visionary tyrant has already transferred his family to the Western Regions, Seven Rivers, and Hezhong.

In less than two days, Bai Yulou brought two regiments to the city of Chang'an.

And Li Xiaogong didn't just sit around these two days, but expelled all the hundreds of thousands of people in Chang'an City from the city, and didn't leave any food for these people. This is the bad nature of the ruler.

Looking at the more than 300,000 refugees around Chang'an, Bai Yulou was not in a rage, because he had already expected this day.

This is the true face of those superior people. In order to keep power, they can do all the evil deeds in the world.

The soldiers behind him are all people who have studied Ke Daoge's bibliography and new ideas, and naturally they will not have any unrealistic illusions about these feudal remnants.

Bai Yulou waved his hand: Quickly organize people, arrange these people, notify the air force, and let them mobilize all airships to deliver food and medicine to various control areas.

clear!

A total of 23 airships were urgently mobilized, including 15 Kunpeng Type 1 ships and 8 Kunpeng Type 2 airships.

These airships do not need to consider flying at high altitudes, because although there is rainfall in Bashu, Guanzhong, Shanxi and Shanxi in June, it is not as dense as Jiangnan.

Therefore these airships can use the maximum payload.

Baiyulou, which surrounded Chang'an, quickly gave Li Xiaogong a blow, and captured Chang'an City in less than an hour.

It's just that the Tang army formed by these diehards is hiding inside the city, apparently planning to use the city's buildings to resist the army's occupation.

Faced with this situation, Bai Yulou quickly arranged for a cleaning team led by elite Dao warriors to clean up these diehards street by street.

at the same time.

After several days of running wildly, Li Chongyi's 50,000 troops finally arrived at Yumen Pass.

Along the way, they robbed all the cities along the Hexi Corridor, and at the same time expelled the people to the wilderness, setting fire to the deserted cities, farmland, and forests.

But their good days are over again.

As soon as they left Yumen Pass, two airships chased them over.

Boom boom boom...

Hundreds of bombs fell from the sky.

The two airships carried 160 tons of bombs. These terrifying steel ball cannonballs blew up the 50,000 Tang troops.

Even with the guards of dead soldiers, Li Chongyi was still blown to pieces.

When the bombing was over, less than 10,000 Tang cavalry fled into the sandy seas of the Western Regions.

The air force did not continue to chase, but quickly parachuted 100 airborne troops, and then organized the people near Yumen Pass to go to the bombing area outside Yumen Pass to carry out emergency battlefield cleaning.

Since the Air Force did not use incendiary bombs, many horse carcasses, food, and supplies were available.

On the Yumenguan battlefield, a total of 67,000 dead and injured horses, 13,000 live horses, 21,000 tons of grain, and a large amount of useless gold, silver and jewelry were cleared out.

There are also a large number of donkeys, goats and cattle, which are easy to take away.

After the air force occupied Yumen Pass, it meant that the Hexi Corridor was completely sealed off, making it difficult for Li Tang's remaining forces to fly.

At this time, Changsun Wuji, who was stationed in Yiwu County, immediately looked terrified after receiving the news that Li Chongyi's army had been beaten to disable the party.

After gathering these remnants and defeated generals, he quickly retreated to Gaochang City further west, and at the same time reported to Li Tang's temporary capital, Anxi City.

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