"Why did the clan flow thousands of miles without guilt."

Even before King Gui's will to seal the vassal in Xuannan was issued in the court, the well-informed newspaper there sent out the news, and for a while all kinds of arguments continued, and the sentence "The vassal is not guilty, why did it flow thousands of miles." "It seems to have the meaning of the royal harsh clan, but this is always an internal matter of the royal family, although there is a dispute, but the impact is not great.

Just as the newspaper was arguing, "Why is the domain innocent of innocence?" At that time, Zhu Mingzhong, who was the emperor, had already left the Beijing Division, and began to inspect the river affairs along the Yellow River, after all, the central capital is now on the side of the Yellow River, so the new dynasty attaches great importance to river affairs, because the Yellow River is in disrepair, so at this time on the banks of the Yellow River, especially on the north bank, you can always see the people who are busy repairing the dam.

After passing through one of the rivers, he learned that the governor of the river, Pan Mingli, was on the construction site, so Zhu Mingzhong ordered someone to summon him to the boat.

Upon learning of His Majesty's inspection of the river, Pan Minh Li, as the governor of the river, immediately disembarked from his boat and came to the multi-oared boat on which the emperor was sitting to ask for an audience. Although he ordered someone to pass him over, when he got on the boat, Zhu Mingzhong was still immersed in reading the documents, and when he saw him come in, he just raised his head and said.

"Don't salute, sit down."

He continued to write.

just sat on the round stool for half a buttocks, and then Pan Mingli waited for His Majesty to finish writing before he said cautiously.

"The minister didn't know that the holy driver inspected the river workers, and he couldn't take the car, so I ask Your Majesty to forgive me."

Glancing at Pan Mingli, Zhu Mingzhong said.

"As the governor of river affairs, he is naturally the first in river affairs, and as for the trivial matters to be sent to, there is no need to be distracted!"

Pan Mingli's great-grandfather was Pan Jixun, a famous water conservancy expert in the Ming Dynasty, who served as the prime minister of the river four times, presiding over the management of the Yellow River and the canal. Pan Jixun summed up the understanding of the predecessors on the relationship between water and sediment in the Yellow River, and put forward the policy of controlling the river by restraining water and attacking sand, which had an important impact on the governance of the Yellow River by future generations, and the Pan family also had a family history in the governance of the river.

"How's the North River going now?"

The "North River Road" mentioned by Zhu Mingzhong refers to the use of the old course of the Yellow River in the Northern Song Dynasty in the territory of Beizhili to divert the Yellow River to the north.

The diversion of the Yellow River to the north is the key to controlling the Yellow River and the Huai River. Since the Yellow River seized Huai in the Southern Song Dynasty, the river channel changed from north to south, and then after Pan Ji tamed the river, the embankment on the south bank of the Yellow River was strengthened, cutting off the danger of the Yellow River breaking to the south, so that the course of the Yellow River became relatively stable. But this does not meet the needs of the Ming Dynasty now, so two years ago, the imperial court decided to use the old course of the Yellow River in the Northern Song Dynasty to divert the Yellow River to the north.

"Your Majesty, although the old road of the Yellow River in Beizhili has been abandoned for hundreds of years, and most of the river sections are only a pile of sand and mud, although they can be restored after manual excavation, but the amount of work is extremely large, and it is expected that it will take at least ten years to complete the excavation of the river."

Decade!

Nodding silently, Zhu Mingzhong said.

"Ten years...... It's worth it to spend ten years in exchange for one thing and for all. Once the Yellow River changes back to the old course of the Northern Song Dynasty and flows into the sea from the north of Xingyang, then the pressure on the Huai River can be reduced. ”

The reason for the governance of the Yellow River is to solve the problem of the Huai River, now the Huai River is located in Gyeonggi Province, which is related to the safety of the Beijing Division, and naturally can not be like the Ming Dynasty to govern the Yellow River only thinking about "Bao Cao" and "Bao Yun", now for the Ming Dynasty, the most critical thing is to restore the Huai River system,

"The seizure of the Yellow River from the Huai River into the sea has silted up the passage of the lower reaches of the Huai River into the sea, resulting in poor drainage and flooding on both sides of the Huai River, which is also the fundamental reason for the continuous drought and flood on both sides of the Huai River. The Yellow River encroached on the Huai River's inlet channel, causing the original Huai River system to be disordered, resulting in frequent natural disasters, such as floods or droughts. Now, although part of the riverbed in the lower reaches of the Huai River has been raised, so that the ancestors "stored and cleared the muddy", the Huai River has less sediment content and the water is clear, in order to strengthen the sand flushing power, the ancestors have heightened and thickened the Gaojiayan embankment, and the Huai water is stored in Hongze Lake, and the water level of Hongze Lake is raised, so that the clear water can enter the river smoothly, and the turbid yellow water is washed away by the power of clear water. It is believed that in this way, the river below the clear mouth will be smoother. However, the effect of this project is not great, because the Huai River water is less, not the Yellow River, it is difficult for the clear water to enter the river smoothly, but once the Yellow River returns to its original road in the north, there is no Yellow River water supplement, "storage and brushing" can naturally play an effect, over time, the camera releases water to wash the river, the Huai River should be able to restore the old appearance, so that the Huaihe River basin can naturally recover ......"

Listening to His Majesty's words, although His Majesty's theory of "Huang Huai and Huai have their own way to control the river" has been studied countless times, Pan Mingli will still be surprised by His Majesty's strategy for river control. In fact, to put it bluntly, this theory of river control is to use a certain amount of artificial intervention to restore the old appearance of the two rivers of Huanghuai with the help of natural forces.

"The fundamental cause of the Huai River's harm is that the mouth of the sea is taken by the Yellow River, and as long as its mouth is restored, the problem will naturally be solved, and the Yellow River ......."

After pondering for a moment, Zhu Mingzhong said helplessly.

Since the Qin and Han dynasties reclaimed in northern Shaanxi, cut down the mountains and forests, and turned the grassland into arable land, the Yellow River has irreversibly become a mud river. After Shaanxi is recovered, I plan to dismantle the prefectures and counties in northern Shaanxi, and move the people to the northeast or Sichuan, and northern Shaanxi will be completely blocked, and within 20 years, if there is no one in northern Shaanxi to cut down and plant, the local trees will grow, and the cultivated land will become grassland, as long as no one destroys it, the environment there will be restored in a few decades. ”

Grass grows when sealed, which is the theory of a 21st century environmental expert to "restore nature with the power of nature", and ecosystems, like biological organisms, have various abilities to adapt to the environment and self-heal. The process of using natural forces for ecological restoration can be simply understood as "enclosure", that is, on the premise of ensuring that the soil is not lost, all kinds of naturally distributed propagules (seeds, spores, fruits, germinating roots and sprouting seedlings, etc.) can "settle down" and reproduce naturally.

Similar experiments have not only achieved results in the process of controlling desertified land in the north, but also in the treatment of barren mountains in the south. As long as most of the ecological degradation does not exceed the ecological threshold, it can be restored with the help of natural forces, and artificial restoration should be a supplementary measure. Natural restoration is especially suitable for vast sandy meadows, grasslands, deserts, southern mountains, shady slopes of northern mountains, etc. Because the soil in those areas is better preserved and has the favorable conditions of water, heat, light, nutrients and other conditions necessary for plant growth. In sparsely populated areas, the restoration of natural forces should be promoted.

It may not be possible to relocate the population of northern Shaanxi in the 21st century, and then close the area to cultivate forests and grasses, but in this era, after decades of natural and man-made disasters, the population of northern Shaanxi is only a few hundred thousand.

However, Zhu Mingzhong does not know how many years it will take to fully restore the ecological environment of the Loess Plateau in northern Shaanxi, but it is certain that time will restore everything under the power of nature.

"Huaihuang first treats sand, and sand first cures the roots."

Reading these words silently, Pan Mingli found that almost every time he saw His Majesty, he could learn a lot of quite fresh knowledge. Although he was curious, he didn't ask questions, and in the future, when Shaanxi was recovered, he would definitely go over and investigate carefully.

"Your Majesty, the minister has a matter, I don't know whether to say it or not."

After talking with His Majesty about river affairs for almost half an hour, Pan Mingli hesitated for a moment and then said.

"Just say it."

"Your Majesty, the minister thinks that the Northern Song Dynasty should be cultivated in the north, not the more time-saving eastern."

Pan Mingli's suggestion made Zhu Mingzhong stunned, the Yellow River estuary in the Northern Song Dynasty was not only one place, but "two rivers", in the eighth year of the Northern Song Dynasty, the Yellow River broke and the river was divided into two veins after the flooding: the Yellow River broke from the Henglong Si mouth in Lanzhou, and rushed out of a new river channel, called the Henglong River, which entered the sea from the south of Cangzhou. In the eighth year of Qingli, the river broke Husi in Lanzhou, and entered the sea from the current Tianjin Wei. This is the northern faction of the two rivers of the Song Dynasty. The reason why the East River was chosen for this excavation of the waste river channel is because the East River channel is shorter.

"Oh, tell me what you think."

Zhu Mingzhong already had a premonition that what Pan Mingli was going to say must have his intentions, so he motioned for him to continue.

"Your Majesty, although the mouth of the Eastern and Northern Sects is only hundreds of miles apart, and the distance of the river is only hundreds of miles, but the Northern River River crosses the entire Beizhili, since the Yellow River seized the Huai, the Beizhili drought continues, the land is barren, and the Yellow River has a lot to do with the southward movement of the Yellow River, if the Yellow River moves north along the Beipai River, there must be millions of acres of watered fertile land along the Yellow River, so that the Beizhili place must be restored to the land of rice and grain in the Northern Song Dynasty, so that there is no worry about food and salary in the northern borderlands."

Pan Mingli's suggestion made Zhu Mingzhong slightly stunned, he chose the eastern route because the eastern route was hundreds of miles shorter than the northern route, which could save time and labor costs, but now his suggestion made Zhu Mingzhong see another possibility to restore northern agriculture with the help of the Yellow River. In this era, the distinction between good and bad land is water, watered land is the best fertile land, with water, the agriculture of Beizhili can develop again, those fields with a yield of 100 catties or even dozens of catties per mu can become 200 catties of fertile land per mu, compared with the long-term return, the increase in expenditure and construction period does not seem to be unacceptable.

Although he was inclined to Pan Mingli's suggestion, Zhu Mingzhong did not express his position immediately, but only nodded slightly and said.

"This matter, you go back to the last fold and hand it over to the cabinet for discussion, this cabin is a little stuffy? Let's go outside and get some air. ”

Standing on the bow of the boat, looking at the turbid Yellow River, Zhu Mingzhong couldn't help but feel his heart fluctuate. The water of the Yellow River is clear and the saints come out, maybe in another thirty or forty years, the water of the Yellow River will no longer be turbid today, and perhaps by then, the Yellow River will no longer be worthy of its name......

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