Harry Potter and the Old Ones

"And the reason why Mrs. Weasley asked you to bury the excrement directly in the soil..." Tierra said, "This is probably because you have used spells to ripen several batches of crops before." Tiera continued.

"Yes, yes, Tierra, you are so clever," said Arthur Weasley, "It was true that Jasmine had just ripened a huge pumpkin by magic, and I took it to participate in the Bedfordshire Festival." Pumpkin competition."

"Hehe..." Tierra chuckled softly, "I remember the Muggle pumpkin competition...the winner usually gets a bonus, right?"

"Ah?" Arthur Weasley suddenly blushed, as if his embarrassment had been exposed, "Yes... yes... but... but not much. …”

"It's nothing, please rest assured, I will only support this kind of thing in the future, and I will not oppose it." Tierra said.

"Thank you, Tierra! You are such an enlightened and good leader." Arthur Weasley praised without hesitation.

"There is nothing enlightened or unenlightened." Tierra said, "This is also a way for me to promote the integration of wizarding society and Muggle society."

"To be honest, I just thought of it. You or other officials of the Magic Union, pretending to be a Scottish farmer to participate in the pumpkin size competition, our Potion Reagent and Rare Medicine Management Department will provide you with some A potion that can make pumpkins bigger." Tierra smiled slyly, "And then at the party after the game, when those British farmers asked you about your experience with pumpkins, you took out those potions and gave them to me first. They have some free trials... When they continue to look for you, you can push the contact information of the comrades in our Muggle Liaison and Product Distribution Department. Another Muggle sales route."

"And the company we are establishing now is a biopharmaceutical company, which just meets the qualifications for applying for pesticides and fertilizers." Tierra added.

"Genius! Tierra, you are such a genius!" Arthur Weasley praised, "This idea is great! We should really find some opportunities to better integrate magic and the Muggle world... ...I mean, "

"Yes, we need more innovative ideas like this. As long as we can use our resources in a suitable way, we can solve many problems that are very difficult for Muggles." Tierra said, "Remember Hold on, no matter Muggles or wizards, we have only one attribute in common, and that is human beings!"

Tierra improvised a motivational speech—

He had no choice but to find that he was becoming more and more proficient in this kind of thing now.

Dirty politicians...

Tierra spit on herself a little, then brought Arthur Weasley and other wizards and Muggles who came to design the digester and arrange the pipelines to the next pit for the digester, and continued to repeat just work.

After several hours of hard work, all the biogas digesters and a total of 50 large iron tanks were finally installed and buried deeply in the soil, leaving only a narrow opening for future inspection and maintenance.

After the airtightness of the last digester was checked, the moon was already hanging high in the night sky.

"Magic is convenience." Tierra smiled and said to Arthur Weasley who insisted on following her, "This amount of work would take at least a week to complete in the Muggle world."