Although sweet potatoes and corn also need to be adaptively cultivated, the good news is that experts from the Department of Agriculture at the Royal Institute of Technology say that the adaptive cultivation of sweet potatoes and corn is much easier and shorter than that of hybrid rice.

After years of cultivation, experts from the Department of Agriculture of the Royal Institute of Technology said that it is estimated that after about five years of cultivation, they will be able to get the sweet potatoes that are initially adapted to most parts of China.

Now, Li Xuan is counting on five years to be able to popularize sweet potatoes on a large scale to increase the total grain output, and then initially solve the problem of eating for the people.

Although the nutritional value of sweet potatoes is relatively low, far from being comparable to wheat and rice, the yield is high!

High yields are enough to compensate for the disadvantage of low nutritional prices.

The development of arable land in the country and the expansion of imports are the current solutions, while the promotion of sweet potatoes and maize is a medium-term programme, while the hybrid of rice and fertilizers and global migration are long-term programmes.

However, in the short term, grain production is still a big problem, and it is still difficult to solve the problem of low grain reserves.

Now Li Xuan can only hope that God will continue to give face in the next few years, and not to engage in natural disasters on a large scale, and at the same time, he must also do his own work.

The construction of water conservancy facilities cannot be stopped, after all, it is a bit unreliable to put hope on whether God will give face, and this year's harvest will be bumper, but the devil knows what the situation will be next year, what if there is a big flood next year, even if there is no big flood, what if there is a large-scale drought, what about an earthquake?

Well, you can't prevent earthquakes, but you can prevent floods and droughts.

After September, it is the most suitable time of the year for large-scale construction, and the autumn and winter are the most suitable for carrying out various large-scale projects.

Therefore, the Tang Empire has set off a large-scale wave of infrastructure construction!

Among them, the key project is still the control of the Yellow River and the Huai River, which is the most prone to flooding and the most harmful, so the relevant treatment is urgent.

Relatively speaking, the Yangtze River and the Pearl River and other major rivers are relatively easy to manage, but in order to prevent accidents, since the beginning of this year, the Yangtze River has also carried out part of the treatment project, in the more dangerous areas to strengthen the dam, but also to follow the Hongze Lake expansion plan, ready to follow the Hongze Lake expansion plan, in the Yangtze River part of the surrounding area, choose a part of the terrain is relatively low, and at the same time itself is more dangerous to act as a reservoir.

However, it is only a preparatory work, and the first time to relocate, because the Yangtze River is still relatively stable, when it is necessary to use a large area as a reservoir, it is basically a once-in-a-dozen major floods, when the flood comes, emergency evacuation, and return after the flood, which is a wise move.

You can't just give up a large area in order to prevent a major flood that will only occur once in a few decades, the official is willing, and the people are not willing to do it.

Since September, a new round of major construction has begun on the Hongze Lake embankment, with more than 100,000 workers working the embankment and nearby areas to build a new embankment.

It's just that unlike last year, last year's minfu were all recruited, while this year's minfu adopted a direct employment model.

Because the government calculated that the money spent on recruiting people last year was even higher than directly hiring the same number of workers, and it also caused great public resentment.

When there was a flood last year, the people were urgently recruited, and those people naturally did not have any complaints, after all, this was also to protect their hometown, but last autumn and winter began to build the Hongze Lake embankment to recruit a large number of people, and it was a mandatory call-up, which caused great dissatisfaction.

For many reasons, this time the person in charge of the Ministry of Industry and the Gangbuk Provincial Government also learned wisely, and instead of recruiting, they adopted the method of employment.

Directly pay the salary to hire someone, love does not come!

To the surprise of the officials, the number of people who signed up to repair the embankment was very large!

Although only one yuan a month is given, and food and drink are not included, there are still many people who sign up!

This situation is also beyond the expectations of many officials, because if this is calculated, last year's conscription of a people's husband, and his food expenses plus a small amount of subsidies, each person's monthly expenses will reach one yuan and two dimes, so it still attracts great public resentment.

Now, only one yuan is given, but there are many people who sign up, which is incomprehensible.

However, smart people can still see that the problem here is there, last year's call-up was mandatory, although many people felt that they did not suffer a loss, but there was no original reluctance to come, but they were drafted, and here is the contradiction.

Nowadays, the employment model is adopted, and whether to come or not is completely voluntary, so that those who do not want to come are excluded, and when people do not have the psychological resistance of being forcibly recruited, they will find that it is actually very cost-effective to go to work and repair the embankment.

Anyway, it is now the autumn and winter period of farming, and the men in the countryside are idle, and they waste food when they stay at home.

In this case, although building the dam is hard work and will be very hard, it is still relatively cost-effective.

It is not surprising that there has been such a high number of registrations.

This situation made the officials in charge feel quite good, they thought that they could not recruit enough people locally, and they were planning to go to other places to recruit, but now fortunately, they have recruited enough workers in Jiangbei alone.

A similar situation also occurs in other places, in northern Anhui, Henan and other places where there are key water conservancy facilities projects, the model of hiring workers is also adopted, and it is also very smooth, and the number of applicants far exceeds the number of people scheduled to be recruited.

In the final analysis, in this day and age, farmers have too few sources of income and can only rely on farming to eat, and go out to work in big cities.

People in these years are not willing to leave their hometowns, well, it's not that they have deep feelings for their hometowns, this thing is only for literati, for ordinary people, it can't talk about such a lofty thing as nostalgia, their main willingness to leave their hometown is still because of fear.

Fear of the distance, fear of the unknown!

This fear makes them reluctant to leave their hometown and go to an unknown place to earn a living, even if they have no income in their hometown, or even have enough to eat.