In a piece of yellow earth in Yulin City, a garbage truck slowly approached, and after several bumps, it finally gradually stopped near a clearing sprinkled with lime powder.

There was a lot of garbage piled up in the clearing, and there were a few crooked lime and white lines extending out next to it, and I don't know how long it had stretched.

Farther away, similar white threads intertwined and spread, curving and stretching across the vast expanse of yellow earth in Yulin City.

If you look closely, you can see that the distribution of these white lines is not irregular, at least there is a clear correlation with the topography of the loess.

After all, restoring the ecology of the Loess Plateau is not enough to plant a large number of trees at once, not to mention the high cost, and it will not allow the land to give full play to its practical value.

In the past governance process, people have summed up a lot of experience, and it is completely possible to adapt measures to local conditions.

For example, damming and silting in the ditch, allowing the sediment to deposit nutrients, and planting grass or trees in high places to conserve water and soil, with the lowest cost, to play the best effect.

After getting out of the garbage truck, he opened the door until the back of the truck, and then returned to the driver's seat, raising the angle of the trunk while slowly driving the garbage truck forward.

"Boom la la ......"

As the garbage truck moved slowly, all kinds of garbage on the truck, including leftovers, rotten plants, and simply treated human and animal manure, were dumped on the ground, and the dust was raised with some peculiar smells.

Due to the slow towing of the garbage truck, the garbage dumped on the ground also looks quite even.

Soon, the garbage truck had dumped all the garbage, and the driver got out of the car to inspect it and closed the rear door again.

At this time, another garbage truck came from not far away, jolting and slowly stopping nearby.

A young driver got out of the car, looked around, came over and asked, "Lao Zheng, are you falling here?"

Lao Zheng stretched out his hand and pointed: "You go over there and pour it, this piece should be almost there...... When pouring, don't forget to spread it evenly. ”

The young driver didn't seem to care, took out a cigarette from his arms and handed it to Lao Zheng, lit a fire, and said, "There are really so many rules, don't you just take out the garbage?"

Lao Zheng leaned on the car door and blew a puff of smoke: "I don't know anything else, anyway, under the order of the Shaanxi Reform Commission, the city's sanitation and garbage disposal companies will be busy, it's better to be honest, it won't take much anyway." ”

The young driver smiled: "I heard that the director of the Shaanxi Reform Commission is the newly appointed Zhang Weichang, this is ...... What do you think, Lao Zheng?"

"How else can you look at it, it shows that the country attaches great importance to it. Lao Zheng took a puff of cigarette vigorously, and the sparks on the cigarette butt flashed a few times.

The young driver approached and said, "I've heard people say that this Zhang Yanchang was still a department level not long ago, but he was ...... in only two years after he got into a relationship with Vientiane."

"Alright, alright. Lao Zheng seemed a little impatient and interrupted him, "Isn't this interesting, don't we still have to drive a garbage truck? If you want to study politics, read some serious books, and don't believe those hearsay things." ”

After a pause, he then said earnestly: "It's not that I'm talking about you, it's just that as an elder, I need to tell you a little bit of life experience. Seeing that you have grown so big, your ideas are still too simple, and you haven't even figured out what class you are, so you have time to take a good look at Marxism-Leninism......"

The young driver was a little bored, took a few puffs of cigarette and pointed to the nearby garbage: "What will happen to this garbage when the time comes?

Lao Zheng threw the cigarette butt that was about to finish smoking on the ground and crushed it, and muttered a little: "In my opinion, so many leftovers, rotten things, and feces...... In fact, it's almost the same as fertilization, but I don't know what technology the Shaanxi Reform Commission can come up with, not to mention that plastic bags can be processed quickly. ”

While the two were talking, there was a sudden whirring sound in the sky.

When the two looked up, they found that several small drones were hovering not far away, spraying all kinds of colorful powdered substances on the organic waste on the ground as they flew.

"Drone!" the two of them were suddenly a little surprised.

"It seems that the 20,000 square kilometers of loess in our city may have to send hundreds of drones, which is really not small. The young driver couldn't help but sigh.

"Gotta get to work. ”

Then he hurriedly threw down the cigarette butt, returned to his car, and began to dump the garbage step by step, adding a little more to the garbage on the loess in the vicinity......

After the overtime work of the city's sanitation force in Yulin, a large amount of organic waste has been transported to the loess to be stacked as planned, and a lot of organic fertilizer has also been transported and spread on the loess with garbage.

Hundreds of small drones are dispatched one after another, releasing a variety of chemical reagents to assist in the ripening of these organic matter.

Lin Han drove to the center of the loess in Yulin City, released biological permissions, stimulated various microorganisms in this range, and quickly degraded organic matter, and the microbial population multiplied and grew wildly.

On the first day, the microbial and organic matter content in this large area of loess surged by more than ten times, and all kinds of organic waste were converted into fertilizer, and the soil fertility was naturally quickly full.

The reproduction of a large number of microorganisms and the rapid degradation of organic matter have caused a brief but significant increase in the surface temperature of the loess, as if this land that has been silent for thousands of years has suddenly recovered from the cold winter.

A few days later, the soil fertility of the 20,000 square kilometers of loess in Yulin City has undergone earth-shaking changes.

Of course, this is only the beginning, and the next greening is the way to conserve water and soil and consolidate the foundation.

Lin Han returned to the original government building in Yuyang District from the loess, which is now the office building of the "Shaanxi Provincial Desert Reconstruction and Construction Committee", found Luo Xuan's office, knocked on the door that was not closed, and went in directly.

"How are the tree species prepared, when can they start being stocked?" Lin Han asked.

Luo Xuan was lying on the table at this time, her chin was against the table, her brows were slightly frowning and looking at the documents in front of her, and she said a little listlessly: "Well, it's ready, you can use a drone to drop ...... at any time."

Seeing her like this, Lin Han couldn't help asking, "What's the matter, are you feeling unwell?"

Luo Xuan straightened up: "It's nothing, it's just that my stomach hurts a little." ”

Lin Han didn't ask any more, nodded and was about to leave, but then Luo Xuan suddenly said: "By the way, boss, I have something I have always wanted to ask you." ”

"What's the matter?"

……