"Oh? Hehe~, thank you for your generous gift, Your Majesty! Please come in!"
Cao Song, all smiles, let them into the mansion. Looking at the coal and coal stove behind the eunuch, he felt a warmth in his heart and immediately abandoned his idea of extorting money from Lü Qiang.
Just then, the coachman, Old Xu, also came over.
"Master, ten large carts are ready! They're all parked on the back street!"
Since large vehicles are used for carrying goods, they cannot enter through the front gate, and therefore cannot park on the front street.
"Oh, no need for now, we can talk about it next time!"
Cao Song smiled and waved his hand, then turned and walked into the mansion.
Just as Cao Song turned around, Zhao Zhong, who had parked his carriage not far away, jogged to the front of Cao's residence.
"Grand Minister of Agriculture, Grand Minister of Agriculture!"
"Hmm? It's Zhao Zhong?"
Cao Song, who had already stepped into the mansion gate, heard shouts coming from not far away. He leaned back and looked in the direction of the sound, and saw Zhao Zhong running over. A look of doubt appeared on his face.
Upon approaching, Zhao Zhong took a slight breath and said with a smile, "Grand...Grand Minister of Agriculture, His Majesty summons you to the palace!"
"Okay! Let's go!"
Seeing Zhao Zhong's anxious expression, Cao Song nodded and followed Zhao Zhong outside.
"Old Xu! Old Xu!"
"Hey~, here it comes!"
Upon hearing Cao Song's shout, Lao Xu, who had just gone down to arrange the cart, hurriedly turned around and ran back.
"Prepare the carriage, let's enter the palace!"
"Okay!"
Old Xu responded and hurriedly ran down to bring the carriage over.
Immediately afterwards, Zhao Zhong and Cao Song's carriages left one after the other.
Just as the two carriages left, ten large carts also departed from the back street of the Cao residence, heading towards the imperial palace.
In the Deyang Palace, Liu Hong, who sat on the imperial throne, was leaning over the table, drawing on a piece of paper with a brush.
Seeing the emperor's focused expression, Song Dian, who was standing to the side, was also very curious and would occasionally turn his head to steal a glance.
What Liu Hong drew was the general outline of a winter greenhouse in later generations. However, since transparent plastic did not exist in this era, Liu Hong chose to use glass instead.
"Phew, all done!"
Before long, the last stroke was completed. Liu Hong picked up the blueprint and carefully examined his masterpiece. Looking at the greenhouse-like structure on the blueprint, Liu Hong nodded in satisfaction.
Just then, Zhao Zhong jogged into the hall.
"Your Majesty! Marquis Moyang and the Grand Minister of Agriculture are waiting for an audience outside the palace!"
"Hmm~, quickly invite them in!"
Liu Hong put down the blueprints in his hand, looked towards the direction of the palace gate, and still had a smile on his face.
Soon, Cao Song and Mo Shang arrived inside the hall, led by Zhao Zhong.
"Your Majesty, we, your humble servants, pay our respects!"
"No need for formalities, please sit!"
"Thank you, Your Majesty!"
"Mo Qing! How's the glassmaking going?"
After the emperor and his subject exchanged greetings, Liu Hong looked at Mo Shang with a broad smile.
Mo Shang respectfully replied, "Your Majesty, after numerous experiments and improvements, the transparency of the glass has been improved! It can now preliminarily meet the requirements for door and window installations as Your Majesty has mentioned!"
As for achieving the purity Your Majesty requires, I will need to refine the proportions, research new materials, and explore new refining procedures!
"Glass? Doors and windows?"
Sitting to the side, Cao Song listened to the new terms Mo Shang used, and his mind started to wander. His sly eyes began to dart around unconsciously.
"Okay, that's good. As long as it works! We'll take care of the rest later!"
Liu Hong nodded in satisfaction. It was already quite impressive that Mo Shang and his team were able to produce transparent glass in such a short time.
As for things that can be made into telescopes or even microscopes, that can't be accomplished overnight.
"Grand Minister of Agriculture, come and take a look at this!"
Liu Hong then picked up the drawing from the table and handed it to Cao Song.
"Huh? Your Majesty, what... what is this?"
Looking at the crooked lines on the drawing, which resembled a mud hut, Cao Song was taken aback.
"Oh, this is a greenhouse! It's used for growing vegetables in winter! Of course... some fruits and vegetables can also be grown here! And some others...!"
Liu Hong explained the purpose of the greenhouse to Cao Song with a smile.
"Your Majesty...you mean...it can grow vegetables?"
Cao Song looked at the emperor in disbelief, while Mo Shang stood there dumbfounded.
Growing vegetables in winter was something that completely shattered their previous understanding.
Liu Hong laughed and said, "It might not have worked before, but now that we have a coal stove, of course it will!"
Cao Song looked at Liu Hong with a puzzled expression, "Does Your Majesty mean to use a coal stove to increase the temperature of this greenhouse and then grow vegetables?"
Liu Hong nodded with a smile, "That's right! That's it! The Grand Minister of Agriculture also knows that vegetables generally only grow when the season is right, but what is the right season?"
It's all about temperature and moisture! As long as those two conditions are met, along with sunlight, growing vegetables in winter is feasible...!
Afterwards, Liu Hong explained some basic knowledge about greenhouses to Cao Song. Although he didn't know the specific operation, he had so many professional people under his command, so setting up a winter greenhouse shouldn't be too difficult.
Upon hearing the last part, Cao Song could not hide the shock on his face; what the emperor said seemed entirely feasible.
Cao Song realized the immense value hidden within this greenhouse in an instant.
Winter vegetables...! If this thing were to appear, it would absolutely shake the entire city of Luoyang.
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