After returning to the East Palace, Li Chengqian ordered the guards to move the big wooden box and the sacks to his dormitory, leaving Zhang Gao, and the other guards all sent out.

"Zhang Gao, since the ice water business can't be done, then you go and find a few carpenters with better craftsmanship for this king, and although the ice water business can't be done, the ice cubes in the East Palace can't be broken, and the ice cubes used by the two little girls are also out of our East Palace, and you will find someone to find a place to burn more plant ashes, this king will be of great use."

And tonight's incident, you go and give instructions to this king, and you can't tell anyone, not even the queen mother and father, if anyone leaks a little news, this king will make him worse than dead" After instructing Li Chengqian, let Zhang Gao out.

And after going out, Zhang Gao, cold sweat came out, although I don't know what those things are for, but the last warning of his master is definitely not about fun, if it really leaks the news, it will really be over.

Therefore, after Zhang Gao came out, he quickly called all the guards who were following him today, and warned them to keep their mouths shut, and if anyone rushed to tell about today's events, they didn't need Li Chengqian to come forward, Zhang Gao could kill him.

"Hey, why didn't I learn chemistry when I was in school, and now I don't know how to eat a soft steamed bun, and I can't do that soap or anything, what can I do?" After Zhang Gao went out, Li Chengqian lay on the bed in annoyance, regretting why he didn't learn chemistry before, and now he can't even make baking soda and soap, which is completely embarrassing for the Everbright crossing.

"Wait, although Lao Tzu didn't study chemistry well, but Lao Tzu has read so many time-traveling novels, I don't believe that there is no useful information in them" Li Chengqian suddenly thought of something, and lay on the bed and recalled the novels he had read before.

Thinking about it, it really made Li Chengqian think that he would not make chemical edible baking soda, but in nature, there is a large amount of natural hot alkali in those salt lake sediments, and he can use these tronas to make steamed buns.

And the soap too, Datang has alkali, although I don't know what the ingredients of those alkalis are, but as long as they are harmless to the human body, I can use them and oil to make soap, although it is slow, I want to try one, but I can always get it out.

But he doesn't know anything about other things, such as how to make glass, how to burn tiles, and how to make cement, and these are all good things that can change people's lives, and can also bring him a lot of wealth, and he Li Chengqian can't do it.

"Ma Dan, although I don't know any of these, but I know that they are either made of stone or sand, and when I make enough money, I must find a lot of experiments with craftsmen, once it doesn't work, twice, if it doesn't work in a year, it will take two years, I still don't believe that I can't fix it, and when the tiles and cement come out, I will build a big open-air swimming pool first......" Li Chengqian thought of the open-air swimming pool, he couldn't help laughing, after all, he liked swimming very much in his previous life, and he dreamed of having his own open-air swimming pool. But in terms of the price of land at that time, he just thought about it, but now that he came to the Tang Dynasty, he had this condition, and if he didn't work hard, he would definitely not be reconciled.

This thought for a long time, until Xia Ju came to call him and the bath water was boiled, that he remembered that he still had a bunch of good things waiting for him.

Therefore, after Li Chengqian finished taking a bath, he drove all the palace maids out, and ordered that there should be no one within 500 meters of his dormitory, and that he could not say anything when he heard it, and then he came alone to the large wooden box and sack that he had found in the library before.

"Today is a good day, what a good day...... Li Chengqian sang happily before he saw anything.

After all, just the potatoes in the sack that he opened at the beginning could make Li Chengqian excited for 3 days and 3 nights without sleeping.

As for the contents of the other sacks and the wooden box, Li Chengqian actually had no hope, because it was already a surprise that there would be a high-yield crop in other large states.

That's why he got them and then went to think about other bad things.

But now that he saw these potatoes, Li Chengqian's mood became happy.

"Now let me see what the others are," said Li Chengqian, opening a few other sacks.

"I'm grass, God won't be so good to me, it's really corn, and sweet potatoes, plus potatoes, this is the best magic weapon in the crossing, I have it, that brother is not going to send it, and so on These things are all good things, but they are useless to themselves at all, if I really take these things to my own emperor father, then how can I let him abolish his position as the crown prince" After the excitement, Li Chengqian quickly calmed down, and opened the door of his bedroom to look around, and found no people. Only then was he glad that he let people stay away just now, and although he was very excited just now, he didn't say it too loudly, otherwise his biggest secret would be known, and he would be finished.

After confirming that there was indeed no one, Li Chengqian looked at these high-yield crops and became worried, it is not a good thing for him to get potatoes, corn and sweet potatoes by himself, because as long as this thing is taken out and confirmed to be true, his position as the crown prince will be very stable.

But this is really not what Li Chengqian wants, the position of the crown prince is stable, but the prince has to abide by a lot, and this is still more than ten years.

Thinking that in the next ten years or so, he will be observed by countless people, either openly or secretly, and he can't make a little mistake, just to sit on the supreme throne, thinking that Li Chengqian doesn't want this kind of life.

Therefore, after thinking about it for a while, Li Chengqian decided that these high-yield crops should be taken out when he was not the crown prince, or find someone to dedicate them to his emperor father, anyway, he would not come forward by himself if he was killed.

However, Li Chengqian thought very well, but he forgot that people are not as good as heaven, and in the end Li Shimin knew about it, of course, this is a later story.

"I actually have potatoes and corn, so let me see if there are any good things in this wooden box" said Li Chengqian and opened the wooden box in front of him.

However, after Li Chengqian opened the wooden box, he was dumbfounded again, because the wooden box was full of bags of seeds packed in cloth bags, as for what kind of seeds, Li Chengqian didn't know, but there was one thing he would never be mistaken, that is, dried chili peppers.

The kind of chili pepper that will not be passed on to China until the Ming Dynasty is now lying quietly in the wooden box.

And as a person who is not spicy or happy, to see it in this era when it is impossible to see chili peppers really excites him more than seeing a peerless beauty, after all, he has been ready for this life and is not ready to eat chili peppers, but he didn't expect to get it in such a way.