Song Shishi frowned and walked around the greenhouse without saying a word.
“Did you ventilate the greenhouse?”
She turned around and suddenly thought of something, then turned around and asked Chen Hui and others.
Zhou Jinbao shook his head and replied, "No, everyone said that it's getting cold, and the temperature in the greenhouse should be higher so that the yield can be increased. We are also afraid that wind will leak in, so we cover it very tightly."
Zhou Jinbao is always honest and says what he thinks.
"That's definitely not okay. High temperatures can indeed increase yields, but they will also increase the growth of pests."
Song Shishi carefully observed the shape, size, color and other characteristics of the insects in the vegetable field to identify the types of pests.
The larger green fleshy worms may be cabbage loopers.
If it is a small white flying insect, it may be whitefly.
...
...
Different pests require different control methods.
"What should we do? Do you have any ideas?"
Speaking of which, Zhou Jinbao was responsible for this matter, so he felt very guilty at this time.
Song Shishi pointed to a cabbage worm on a leaf and said, "Don't worry, for pests like this that are large and easy to spot, we can have everyone take turns catching them in the early morning or evening.
Pay special attention to the front and back of leaves, stems and other places where pests tend to hide.
Of course, this is time-consuming and laborious, and good communication is required when arranging tasks.
In addition, you can sprinkle some wood ash on the vegetable leaves, which can effectively repel small pests such as aphids.
Generally, the best effect is achieved when the fertilizer is applied in the morning when there is dew or after watering.”
Chen Hui and Zhang Qingmei looked at each other. They originally thought that after telling Song Shishi about this, she would go back and check the information before giving a solution.
But I didn't expect that Song Shishi could directly come up with the corresponding solution after just turning around.
“If the aphid population is too high, we can plant flowers like daisies in the greenhouse that attract ladybugs.
Ladybugs are natural enemies of aphids.
Of course, you can also collect some predatory insects, such as lacewings, from the nearby woods and release them into the greenhouse to help control pests.”
Zhang Qingmei always held a small notebook in her hand, and she carefully wrote down every word Song Shishi said.
"If conditions permit, you can also buy some pesticides and spread them, but the cost is high, and you also have to control the dilution ratio of the pesticide, so it requires professionals to do it."
"I've written it all down, but we've only dealt with the bugs, I'm afraid that's not enough, right?"
Zhang Qingmei looked at the notebook in her hand and raised her own questions.
Song Shishi smiled and nodded, "Yes, the fertilization and irrigation methods of the land, as well as the ventilation, temperature and humidity of the greenhouse, and the lighting are all very important and need to be adjusted accordingly."
Zhou Jinbao was stunned. "So many questions?"
It’s not that he thinks there are too many things to do, he’s just afraid that he can’t remember them all.
He thinks he is not as smart as Chen Hui and Zhang Qingmei, and he always has to study more times than others before he can remember.
But fortunately, Song Shishi understood what he meant.
The indifference displayed by Song Shishi calmed the three people's originally anxious hearts.
"Don't panic. Let's solve these problems one by one. I'll sort out the solutions tonight and give them to you tomorrow. You can deal with the bug problem first."
Because there are many things involved, if you want to irrigate, you need to use drip irrigation or furrow irrigation.
Song Shishi was afraid that Zhou Jinbao and the others would not understand what she said, so she thought it would be better to write it down and then draw a picture, which would make it clearer.
After all, she had followed her teacher to visit the place in school and had seen what the real thing looked like.
Chen Hui looked at Song Shishi's confident appearance while talking, and couldn't help but ask curiously: "Comrade Song, I wonder what kind of books you usually read, and how do you know so much? I wonder if you can lend them to me?"
She did learn some knowledge from books, but most of it was learned from her teachers in school in her previous life.
However, the contents in the book alone are enough for Chen Hui and others to learn.
So she nodded and said, "I have a few books at home that I borrowed from the library. You can take them home and read them first. I'll return them after you're done. Just be careful not to damage them."
Upon hearing this, Chen Hui nodded excitedly and said, "Of course, I'll go get it from you later."
Zhang Qingmei looked at him and shook her head helplessly, "I'd better go get it. It's so late, it's not convenient for Captain Chen to go to your place."
"Yes, yes, I was so excited that I forgot about it." Chen Hui reacted and scratched his head embarrassedly.
Nowadays, people in the village still comment on Song Shishi and Xu Li from time to time.
Zhang Qingmei and her friends couldn't handle this kind of thing, they could only try to avoid causing unnecessary misunderstandings.
Zhou Jinbao had not received much education and the only thing he knew was farming.
So when Chen Hui and the others were talking about reading, he did not interrupt them. He only asked after they finished speaking, "Well... I'm a bit stupid. Can you teach me after you learn it?"
Chen Hui has had more contact with Zhou Jinbao during this period, and the relationship between the two has become much closer.
Hearing this, he patted Zhou Jinbao on the shoulder and said, "Don't worry, brother. When I learn it, I promise to teach you in person. This will benefit our entire village."
Because she was still worried about Xu Li who was not feeling well at home, Song Shishi said hello to them and went back.
"Sister, you're back."
Hearing the noise in the yard, Xu Li walked out of the main room.
Song Shishi glanced at the yard. The clothes hung out to dry at noon had been collected and the firewood had been chopped.
This girl is not feeling well and doesn't know how to take a good rest. She is really a person who can't sit still.
"Well, how are you feeling now?"
"Much better. You lit up the kang. I drank some brown sugar ginger tea. It doesn't hurt as much anymore."
Compared to when Song Shishi came back at noon, Xu Li is now in much better spirits.
The day is getting colder.
She remembered that the snow fell very early this year.
After all, this house was a temporary one found by Xu Qiang and it didn’t even have a firewall.
When it snows, won’t she and Xu Li freeze to death?
Fortunately, she had money and could find someone to build a fire wall before the snow fell.
There is a complex flue design inside the fire wall, in which the hot smoke rises in a circuitous manner or flows horizontally, allowing the wall to be heated evenly.
After the stove is lit, the hot smoke flows in the hollow channel of the fire wall, and through the heat conduction of the wall, the heat is dissipated into the room, making the house warm.
"Then I'll go cook first, you take a rest."
With a plan in mind, Song Shishi turned and went into the kitchen.
Xu Li followed behind her, "Let me help you. I've been lying down for a long time today and I'm almost numb. Let me give you a hand."
Seeing Xu Li insisted, Song Shishi stopped persuading her and just reminded her to use warm water when washing the vegetables.
While the two sisters were cooking dinner, Song Shishi mentioned to Xu Li the plan to build a firewall.
"I have no objection, but it will cost a lot of money to do it like this, right? I don't have that much money on hand, how about I ask my brother for it, and then we can do it?"
Xu Li was not worried about anything else but the fact that she had no money.
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