With a biogas digester, not only can the environment be improved and protected, but fertilizers and pesticides can also be used. This is because the biogas slurry and biogas residue produced by the biogas digester have insecticidal effects and can be used as fertilizer and feed, which has many benefits.
Of course, she didn't know how to build a biogas digester; she had only seen how others built them. Almost everyone in the village who raised pigs had built a biogas digester, and she had seen them all and could roughly figure out how.
I'll have Tantan find some books about building biogas digesters at the supermarket to study, and have A-Xun draw up a design. I don't believe we can't build it.
Although there aren't many pigs being raised now, there are still about a hundred pigs in the space. There's also plenty of fertilizer in the biogas digester back in the space's hometown, so there's no need to worry about the fields running out of fertilizer.
Ye Moxun is having a huge headache right now. Before, Song Tantan made him research this and that all the time, which was already a headache enough. Now, Song Zhuiyan is making him research how to build biogas digesters and draw up design plans.
In theory, it shouldn't be difficult for him. The problem is, he knows how to build a biogas digester, but where are the materials? In this remote mountain area, where can he find sand, gravel, and cement? These materials are extremely crucial; if any one of them is missing, the digester cannot be built.
He might be able to find stones on the mountain, but how would he mine them? He could also scoop up sand from the bottom of the pool, but the thought of the thirty dead men in the Water Curtain Cave sent chills down his spine, and he vowed never to go to that hellhole again.
There's also cement. This dynasty doesn't have cement, so they'll definitely have to find a way to make it. To make cement, they first need to find limestone, then mine it, and then go through a bunch of other detailed processes. The problem is that they don't have any mechanical assistance, so everything has to be done manually. If you don't even know how to make it yourself, who would want to mess around with them?
Theoretical discussions are idealistic, but putting them into practice is not very effective.
“There’s limestone in the mountains near my hometown, in that abandoned lime factory area. You can control things in the space with your mind, so can we move that piece out?” Anyway, it’s not very useful to leave it there, so we might as well move it out to make it more useful.
In the past, Song Zhuiyan would go up the mountain several times a year to pick mushrooms and such. Later, as life got better and better, she made money raising pigs and her bank savings increased. Tantan also worked part-time while attending university. Song Zhuiyan hasn't gone up the mountain for many years, even though her home is right at the foot of the mountain.
"Auntie, are you trying to make me learn 'The Foolish Old Man Who Moved Mountains'? I'm afraid I don't have that ability." Song Tantan felt that this was unreliable. This wasn't the world of cultivation, where a wave of the hand could destroy a mountain, or a breath could move a house.
"How will you know if you don't try? If it's possible, we can move the whole mountain out. Anyway, we can't go back, and I can't enter your space." Judging from her tone, it sounds like, 'Since I can't have him, I might as well destroy him'?
"What about the stones and sand? Where are we going to get them? Auntie, maybe we should just give up on building the biogas digester for now. We don't have the resources." Song Tantan also thought it was too much trouble. She hadn't even finished making her paper yet, and Ye Moxun's living printing mold was also put on hold. How could she have time to help her aunt build a biogas digester?
"It is precisely because of the difficulties that we must prepare step by step. Opportunities are reserved for those who are prepared. We cannot back down when we encounter difficulties; we must find ways to explain the difficulties."
After graduating from advanced oral English at the age of eighteen, Song Zhuiyan did not continue to university. Because her parents passed away one after another, she had to support herself and Song Tantan, so she stayed in her hometown to manage the dozens of pigs left by her parents. Her greatest achievement in life was raising pigs and farming.
The old house in her hometown was demolished and a new one was built. The pigsty was also expanded, and more and more pigs were raised. She got used to this kind of life. Until the day she transmigrated, she was already thirty-two years old. In her short yet long life, she never fell in love or got married.
Her biggest obsession is raising her niece and making money by raising pigs. After fleeing for half a year after transmigrating, she finally settled down and now she wants to get the pig farm up and running, as well as her biogas digester. To her, a pig farm without a biogas digester is soulless.
The house is ready, located on the mountain. Everything in Songlin Village is very similar to her old home. Now all that's missing is a biogas digester, which she must get started.
“With a biogas digester, the stuff from the latrine can be directly discharged into the biogas digester, and it won’t smell so bad. Mosquitoes and flies will be flying everywhere. Do you know how to protect the ecological environment?” Song Zhuiyan insisted. It seems that she has never been very concerned about anything, but this time, she refused to compromise.
Song Tantan vaguely understood her aunt's feelings. She missed her hometown and her previous life, so she tried her best to make this place look like her old home.
“Okay, I’ll move the corner with the limestone out, but we need to find a place where we can move mountains first.” Upon hearing this, Song Tantan’s lips twitched. Moving mountains, huh? Just wait and see how she manages to dig out a corner of a mountain from her spatial dimension and fill it into this mountain range.
Because they had classes in the morning, they could only go to find the place to move the mountain in the afternoon. These days, the village children had gotten used to hanging out with them, and even when they didn't have classes in the afternoon, they always liked to come and find the four "teachers," and they were very clingy.
Song Zhuiyan often had a cold face, and the students were not very dared to follow her. As long as she said no, the students would definitely not dare to follow anymore. Zhong Qingyi was good at kung fu, and if she was stunned for a moment, she would disappear without a trace. Therefore, these students loved to catch Song Tantan the most.
Ye Moxun is usually very aloof, but he always spends time with Song Tantan, and he only seems very friendly when Song Tantan is around.
Although Song Tantan always pretends to be strict and likes to lecture, the children are not afraid of her and even think she is cute because she can always conjure up sweet candies for them to eat. When they go into the mountains together, she will roast small prey for everyone to eat. She is very good at cooking, and the roasted meat is especially fragrant.
"Don't you have to help with chores at home today?" Whenever the adults had assigned chores, these children would come and pester her for candy.
"We've got nothing to do at home, Tantan, how about we play some games?" Winning the game means you get candy.
Children aren't completely ignorant. They once asked Song Tantan, "Tantan, why do you always have an endless supply of candy, while we don't have a single piece?"
"Actually, this candy is homemade, made from a kind of sweet grass. However, this kind of sweet grass is very rare. My aunt went deep into the mountains to find some, and the production process is very complicated. Ordinary people can't learn it. My aunt made it for herself. Now it's a treat for you. You can't tell anyone. If my aunt finds out that I secretly shared it with you, there won't be any candy left."
The little children kept their mouths shut in order to get candy.
"Don't worry, once you've mastered your kung fu, I'll take you to dig for sweet grass and teach you how to make candy. Then everyone will have candy to eat. But for now, you need to hurry up and practice your horse stance to solidify your basic skills." Song Tantan was eager to meet up with her aunt, so she took a few candies to share with them, said a few words, and then dragged Ye Moxun away.
The children behind me held candy, biting it in half or three pieces, and shared it. After they finished eating, they all went to practice horse stance. Tan Tan said that only by learning martial arts well could they go deep into the mountains to dig up sweet grass and then make candy to eat.
Although Song Tantan and Ye Moxun have proclaimed themselves as the dean and 'master' of the academy, they still use the same titles as before, without being bound by formalities.
"You mean the place Auntie found for moving mountains is near the edge of the pool?" Song Tantan stopped, her dark eyes widening. "No, I don't want to go, unless we bury those people first."
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