Thank you. Pen? Interesting? Pavilion wWw. ｂiquge。 ｉｎfo

Thank you for getting used to me like this.... Thank you for thinking about Cangshan everywhere.

I've rewarded, and I'm not allowed to add more, for fear that the manuscript on the shelves will not be enough...

But if you say it, splash it out! Ten thousand rewards plus more is ten thousand rewards plus more. Rest assured, never touch the manuscript, and if you don't sleep, you have to have two more chapters!

Thank you for the 10,000 prize of 'Huvari Rui'! Thank you to the 12,000 Grand Prize for 'Social Fiction Fans'! There are no too many words, only to write "Da Song" to repay your trust and support!

(Today's fourth watch)

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Perfume is definitely a rarity in the Great Song Dynasty.

However, the ancients did not have the technology to refine petals, but they were not as advanced as Tang Yi's technology. In addition, there is no alcohol, and it does not have the charm of flowers.

So, everyone who gets the perfume says it's a good thing, but it's not amazing yet.

However, fruity perfumes are different, and the refining of fruit essential oils is much more difficult than floral essential oils.

As long as the fruit puree is heated, it will change its flavor, so it cannot be extracted by distillation, but by centrifugal or oil dilution. This kind of technology is absolutely not available in Da Song. Moreover, there is a more important reason, that is, in ancient times, when transportation was extremely inconvenient, fruits had regional and seasonal limitations.

In the middle of summer, how can Cao Tong not be surprised to smell the smell of unripe oranges?

And the other bottle, Cao Tong opened it and smelled it, and it turned out to be the taste of melon....

"How did you come up with it?!"

Cao Tong thinks that this is really amazing, the fruit has always been the taste of the tip of the tongue, and no one has ever used it as a spice.

"Essential oils have been available for a long time, but they haven't been blended."

If it weren't for the enrichment of perfumes, Tang Yi really didn't want to bother with it. But there is no way, the flowers suitable for refining essential oils in Song Realm are nothing more than a few kinds of Yueji, chrysanthemum, jasmine and so on.

Chrysanthemums do not bloom until September, and jasmine is unique to the south.

Can't it be that after the perfume goes on the market, the city is full of roses, and the women in Kaifeng are all the same smell, right?

Thus, there is a fruity perfume.

Just now, Cao Tong said that Queen Cao didn't like the richness of the moon season, so he took out the orange-flavored perfume and sold it.

Cao Tong carefully put away the two glass bottles and said to Tang Yi: "I remember, once I saw that there was a method of firing glass on your desk, would you burn glass?" ”

"It's not difficult to burn glass.."

"Then let's burn it ourselves, and give those red-haired barbarians what kind of unjust money to give?"

Tang Yi glanced at him, "It's easy to burn out, but it's hard to burn it well." ”

"What do you mean?"

"Follow me!" Tang Yi led Cao Tong to the side of the mountain in Beiping. There is a porcelain kiln there, which was given to Fan Zhongyan together with Cao Tong who returned to the mountain.

This porcelain kiln is not big, and the craftsmanship is average, and it can only burn some clay porcelain, so it has always been in a half-dead state.

At the beginning of spring, Cao Tong suggested that the porcelain kiln be closed, anyway, Tang Yi did not miss the little bit of income from this small kiln.

But Tang Yi has not been closed. First, the mud of the biogas lamp should be burned; Second, he wanted to try to burn the glass himself.

The glaze mentioned here is not China's five-color glaze, but glass, which was not available in the Song Dynasty. Therefore, the transparent glassware was introduced to the Great Song Dynasty by the Great Food Merchant, which was extremely expensive.

Tang Yi knows the firing method of glass, and also knows how to use physical and chemical methods to obtain colorless glass, but it is still not smooth...

Arrived at the mouth of the kiln... Tang Yi picked up a burnt glass lampshade and handed it to Cao Yan.

Cao Tong couldn't help frowning when he saw it.

This lampshade is far worse than the one ordered by the big food merchant, pale green, very muddy, and there are small bubbles inside.

"The glass is very simple, sand, pure minus, feldspar and lime, just mix and fire it in a certain proportion."

"Then why don't we burn as well as the red-haired ones?" Cao Tong was a little disappointed, thinking it was another good business.

"There are two problems that cannot be solved, one is iron, and the other is the removal of air bubbles."

"Iron?"

"Yes, the sand contains a small amount of iron, which is why we burn it out green and not transparent."

Cao Tong didn't understand, but still asked, "There's nothing you can do?" ”

"Yes!" Tang Yi replied, "The easiest way is to replace the sand with high-quality quartz, and after the powder, go through the magnet sieve again." ”

"Then why don't you change it?"

"Because it's unnecessary, the problem of bubbles can't be solved, and everything is in vain."

“....”

That's really a problem..... Even if the crystal clear glass is, once there is a bubble, it will not be sold at a price.

"Still, that's enough."

"What's the use of that?"

Cao Tong pouted, no one used it to make a lampshade, who would spend hundreds of times to install a biogas lamp, but use such a lampshade?

Tang Yi smiled, "You just wait and see..."

Grandma's! Cao Tong wants to run away again! This bastard is half-talking....

...

Half a month later, all the flower fields in Huishan were harvested.

In previous years, farmers would have to level their fields in preparation for planting winter wheat, but this year is different.

It may be that Tang Yi is addicted to construction....

The two large construction sites of Wanghepo and the shops in the city were not enough, so Tang Yi hired a large number of masons and built houses on the 300 acres of dry land in Huishan.

This time, not only Cao Yan, but even Wang Lizheng was strongly opposed. Although this year's income from planting flowers and returning to the mountains is not cheap, these 300 acres of good land are the foundation for the people to eat, so what are you doing when you build a house?

However, Tang Yiyi explained... Wang Lizheng was shocked!

Tang Yi wants to grow greenhouse vegetables!!

...

"Hanshu, Zhaoxinchen Biography" contains: "Taiguan Garden is planted with winter onions, leeks, and vegetables, covered with roofs, burning fires day and night, and waiting for warm air to be born......

In ancient times, greenhouse vegetables existed very early, but they have not been popularized, let alone become an industry.

Why? Because it costs too much! Greenhouse vegetables belonged to the "high-precision" project in ancient times, and the investment was very large.

It is not difficult to see from the 'cover the house and burn the fire day and night' that vegetables must be planted in the house and burned day and night to keep warm.

The greenhouse recorded in the Han Book is only for royal use, and it costs tens of millions of dollars every year, and at that time, natural disasters and man-made disasters continued to occur, and the people were not yet able to eat food and clothing, and the emperor could not afford to eat this fresh vegetable that was more expensive than gold!

As for the Great Song.

There are also out-of-season vegetables, and the technology is more advanced than that of the Han and Tang Dynasties. The Song Dynasty could already use the kang to cultivate bean sprouts without soil, and the light depression (a pit with sunlight) could be used to form a greenhouse effect. However, the output is still limited and the cost is enormous.

"Da Lang wants to plant 300 acres of land with fresh vegetables!?" Cao Tong is a little on top. You don't spend your money like that! How much does it cost to spend 300 acres of greenhouse vegetables? No one would dare to play like that!

Tang Yi said firmly: "Don't worry, our greenhouse costs very little, and there is almost no need to heat up in winter." ”

Don't need to start a fire? Aren't they all freezing to death?

In ancient times, the main problem that restricted the development of greenhouse vegetables was the problem of light-transmitting materials. The ancients covered the window with paper, how bad was the light transmittance? The lack of light source leads to the formation of a greenhouse effect, and the only way to raise the room temperature is to make a fire.

And Tang Yi now has glass, although it is all bubbles, but it is no problem to simply press and make a flat lighting glass.....