March 12th is the annual Arbor Day, and Mobei Senior High School in Mobei City also has corresponding plant activities.
In this early morning, the teachers and students who participated in the activity set off in a hurry.
There are vast wastelands and sandy lands in Mobei. Afforestation, desertification prevention and control, and ecological protection work are carried out all year round. We also pay special attention to Arbor Day. Therefore, there are more than 300 teachers and students, with senior high school students,
There were mainly high school sophomores, and only a few student union cadre representatives came from the senior high school students.
"Students, afforestation is related to our future. Don't just plant trees on your mobile phone. We must implement it in reality. Plant trees when you have time. Plant one tree after another, and strive to make our homeland clearer, with clearer water and lusher forests.
, the mountains are greener.”
The students stood on this remote wasteland far away from the urban area, listening to Principal Cui's words honestly.
Li Yuhao was also listening, a second-year high school student. This was the second time he felt the fear of being dominated by Principal Cui on Arbor Day. Principal Cui is not a pot-bellied or annoying type, because he has a good temper and is usually popular with everyone.
Yes, I love to speak great truths, I love to speak great truths very much.
After a long time, when everyone was drowsy in this early morning, Principal Cui finally finished a few pages of manuscripts and started working with the teachers and students.
This wasteland is not yet a desert. There are some isolated weeds growing there, but they are becoming increasingly sparse. Forestry Bureau personnel have already marked the location where the holes will be dug to plant trees, and the saplings have been placed nearby. They only need to use shovels to dig them out.
soil, then plant the saplings in it, and then fill it with soil.
"Students, planting trees is planting hope, planting trees is planting happiness." Principal Cui, with a very serious middle-aged face, walked among the people while talking, "Planting trees is planting future! These students,
What are you waiting for? Take action!"
Everyone around them chuckled. The ones named by the principal were Li Yuhao and the others. They were not trying to be lazy, they just hadn't started yet.
"Principal Cui, don't you think you haven't finished speaking yet?" Li Yuhao pretended to be helpless and said, making everyone laugh even more happily.
Principal Cui could afford to make such a joke, so he took a shovel and passed it to the boy, "That's it! Hurry and dig, it's you."
In the smiling eyes of Wang Jiawei, He Ziyi and others, Li Yuhao held this shovel. As a flower of the new generation of the motherland, he had good nutrition since he was a child. Although he was a sophomore in high school, he had grown tall and tall, 1.8 meters tall. He was usually very tall.
I play basketball, so I have the energy to dig.
The shovel was shoveled into the mud. Li Yuhao stepped on the shovel head to loosen the soil, and then shouted with encouragement to dig up the shovel.
It took a lot of effort, but it was not difficult!
"Okay, keep digging." Principal Cui nodded with satisfaction, walked away and continued to inspect other students.
When Li Yuhao went down with the shovel for the second time, he felt something was wrong... He felt a little uneasy for no reason, as if there was something in the soil...
When the third shovel went down, he saw it from the mud puddle at his feet, "Then, what is that... bug?"
"Huh?" Wang Jiawei also saw it, his eyes suddenly widened, and the girl He Ziyi even screamed loudly.
They saw that the dug pit was filled with densely packed insect egg-like things, all of which were light yellow strips that did not move and were buried in the mud.
"What's wrong?" Teacher Liang, the head teacher, came over, and Principal Cui, who had not gone far over there, also turned back. When they saw this situation, the two adults frowned. There seemed to be something wrong with this wasteland. Principal Cui said: "
These seem to be locust eggs... Teacher Liang, please call Captain Luo and others to come over and take a look."
Principal Cui is from Mobei. He has done farm work before and knows a little bit, but Captain Luo is from the Forestry Bureau and is more professional.
"There's a lot of stuff there." Principal Cui took the shovel and shoveled out some mud himself, but it was all filled with insect eggs.
Li Yuhao and the others looked around, and more students gathered around to watch.
Because of effective governance, locust plagues are no longer seen in many places. However, the ecology here in Mobei is complex and there is a certain amount of locust occurrence area every year. It can be said that locust plagues occur every year. However, due to the prevention and control of multiple departments, they generally do not develop into a serious disease.
news level.
Most of the students here have never been in contact with farmland, and therefore have never been exposed to locusts. At this time, they felt disgusted looking at these eggs.
"I have trypophobia..." A girl made a disgusted sound. Although she was scared, she was still watching the excitement.
"What are you afraid of?" Principal Cui said angrily, "We used to dig it out when we were young, then roast it and eat it. It's so delicious."
There was a sudden sound of disgust from everyone, but Li Yuhao felt a little strange. Eat it? Swallowed...
At this time, Teacher Liang and Captain Lin came back quickly, and Principal Cui made way.
"Principal Cui, these are indeed locust eggs." Captain Luo recognized them at a glance, "They should be hairy-legged club-horned locusts."
"Well." Principal Cui had already checked some information on his mobile phone and took the opportunity to teach: "Students, the ovipositor of a female locust can be extended twice as long as its body when pierced into the soil, and it can lay 100 eggs at a time. There is a locust plague.
At that time, there could be thousands of egg masses per square meter. Counting 50 eggs per egg mass, there were hundreds of thousands of eggs per square meter, one square meter! Let them survive the winter successfully and it will take another two or three months.
When it is unearthed in the summer, it will be a big deal."
Hundreds of thousands of locusts hatch in one square meter? The students were shocked to hear this.
"The situation is not that serious." Captain Luo's simple and dark face smiled, "Not every insect egg can become an adult, and the number of eggs is usually not that many. This kind of hairy-footed club-horned locust, our general insect population density has been low in recent years.
On average, there are 30 adults per square meter, and 100 adults per square meter is a lot.”
"Yes, yes." Principal Cui nodded humbly, "Students, did you hear that there are two different things between locusts and a locust plague?"
"But if the area where locusts occur is too large and there is no control, low insect population density will also cause disaster." Captain Luo added, as if he was telling Principal Cui a cross talk, making the students laugh, "We have locusts in Mobei City every year.
The area where it occurs is millions of acres in and around farmland."
But this piece of wasteland had no problems in the past few years. Captain Luo and the others took a shovel and dug some holes in the surrounding soil to check. Fortunately, there were no egg masses.
It seemed that Li Yuhao had hit the jackpot with a shovel. The insect eggs were concentrated in those ten square meters, which was a very small area. However, because of this incident, the tree planting activity was temporarily suspended. Captain Luo and the others needed to call people from the Bureau of Agriculture to come over.
Check, apply pesticides, etc., and do a good job in prevention and control.
"Captain Luo!" Li Yuhao chased after him and asked a question in his heart: "How deep can insect eggs be hidden in the soil?"
"It's just on the shallow surface, less than half a meter." Captain Luo said, he was very kind to the studious students.
"Oh..." After hearing this, Li Yuhao still felt a strange feeling. The more he looked at the mud blocks where the insect eggs had been dug out, the more so.
Looking around, there is a deserted land... is there something deeper?
And the feeling of longing became a little stronger, which made Li Yuhao swallow again.