Footsteps outside the garden, when Li Xiu looked up, he just saw Princess Pingyang walking in with Yi Niang and Qu Yi, when Princess Pingyang saw Li Chengdao and Li Chengqian who were listening to the lecture there, she showed a surprised expression, and immediately walked a few steps and said: "Chengdao and Chengqian, you finally came to class!" ”

"Meet my aunt!" When Li Chengdao and Li Chengqian saw Princess Pingyang, they also stood up together and saluted, but before the ceremony was finished, they were pulled up by Princess Pingyang one by one, and then talked to their brothers very affectionately, and even Li Xiu didn't have time to pay attention to it. Pen, fun, and www.biquge.info

Taking advantage of their aunt and nephew's words, Yi Niang stepped over to Li Xiu and whispered, "The princess came to you just now, saying that she had something happy to tell you, and I heard that you were taking classes here, so we came together." ”

Li Xiu nodded after hearing this, and at this time, Princess Pingyang finally finished talking to her two nephews, and then stood up and said to Li Xiu: "Li Xiu, the cabbage seeds we planted have matured, and the steward of the greenhouse said that they can be harvested, do you want to harvest today?" ”

"Great, since it's ripe, let's harvest it early, and then find a good piece of land to plant, maybe we can grow cabbage early!" Li Xiu immediately said excitedly when he heard this, he had waited too long for this cabbage.

"Sir, is that the cabbage we manually pollinated last time?" At this time, Li Chengdao also shouted excitedly, the last time the artificial pollination was not only done by their own hands, but also let them understand the way of plant reproduction, which can be said to be a lot of harvest, and now they are finally going to see the results.

"That's right, since it is the seeds that we pollinated by ourselves, it is better for us to pick them with our own hands, and then plant them with our own hands, and wait until a few months later, you will see the results of your own hands that benefit the country and the people!" Li Xiu also smiled at this time and suggested that letting these children participate in this matter can not only increase their knowledge, but also cultivate their sense of achievement, as long as they see others eating cabbage in the future, they will definitely feel very proud.

Li Xiu's proposal was also immediately approved by Li Chengdao and Qi Niang, who immediately threw down the pen and paper in their hands and clamored to pick cabbage seeds. In addition, Yi Niang has heard of this cabbage for a long time, but she has never seen it, so she also said that she wanted to go, as for that Qu Yi, although she was pregnant, she was a curious baby, and she was also clamoring to go when she heard that Yi Niang was going, but as a result, Li Xiu had to take everyone with her.

When Li Xiu and the others came to the greenhouse, they saw that the thin silk on the greenhouse had been uncovered, revealing the green vegetables inside, and when Li Xiu entered the cabbage greenhouse, he saw that the cabbage and kohlrabi inside were indeed full of mature seeds, which also made Li Chengdao and the children cheer, and they came forward to pick a small basket.

However, Li Xiu stepped forward to stop them, and then began to divide the people into two kinds, one group only picks the seeds on the cabbage, and the other group picks the seeds on the kohlrabi, because he doesn't know which seeds can grow the cabbage, so it is better to separate them and plant them separately to see the effect.

There are many people who are easy to do, and after a while, all the seeds will be picked, and then Li Xiu called the steward here and instructed him to find two of the best land to plant, and it is estimated that after a few months, the results will be seen.

After picking cabbage seeds, Li Xiu and the others came to the greenhouse where sweet potatoes were planted, as soon as they arrived, they saw Qu Yi cheering and running over, this is a plant in her hometown, naturally it can be recognized at a glance, but sweet potatoes are not the main food of the Mayans, they mainly eat corn, and there are not many sweet potatoes planted, but this is enough to make Qu Yi excited.

Li Xiu squatted down and carefully observed the growth of these sweet potatoes, only to see that the sweet potato vines had grown very long, some of them had forked, the whole greenhouse had been crawling with sweet potato vines, and even some of them had grown outside, and the entire ground was green, looking like a green carpet.

"That's it!" Li Xiu looked at the long sweet potato vine in his hand, and then nodded.

"What's okay?" Princess Pingyang asked a little strangely when she heard this.

"It's time to start planting sweet potatoes!" Li Xiu explained with a smile.

"This ...... Isn't that already planted? Princess Pingyang asked even more strangely when she heard this, these sweet potato vines grew so vigorously, and she had never even seen a plant grow so fast in just two months.

"That's not good, if sweet potatoes want to be promoted quickly, they must be allowed to multiply quickly, so we need another way to help them reproduce, remember how jasmine is propagated?" Li Xiu smiled at this time, and then he turned around and took a pair of scissors, preparing to cut these sweet potato vines into small pieces for cutting.

"What are the fish doing?" Before Li Xiu could cut the sweet potato vine, he heard a woman's angry voice shouting, and when he heard this special accent, he could know that the person who spoke must be Qu Yi.

"I want to grow more sweet potatoes, so I need to cut off their vines and plant them again!" Li Xiu patiently explained at this time, but at this time he was also a little strange, sweet potatoes came from the Americas, didn't Qu Yi know the way to cut them?

"It's impossible, if the fish cut them off, they'll die!" Qu Yi shook her head in shock and said, she had never heard of Li Xiu's cultivation method, but her Chinese was getting better and better.

"Don't worry, they won't die, sweet potatoes have a strong vitality, as long as you plant them and water them after cutting, they will soon grow into new sweet potatoes!" Hearing this, Li Xiu smiled again and explained, it seems that these Mayans don't know much about sweet potatoes, no wonder they have always eaten corn as their staple food.

After Li Xiu finished speaking, he no longer explained anything to Qu Yi, and immediately bent down and began to cut these sweet potato vines, Princess Pingyang and Yi Niang also brought scissors to help, but Qu Yi obviously still didn't believe much in Li Xiu's words, and tried to stop it several times without success, and finally stood aside angrily and refused to help, full of childish temper.

The number of sweet potatoes is not much, and when the bearded guest returned from the Americas this time, he also brought some sweet potatoes, but his sweet potatoes also sprouted, and now they are all planted on an island in the south, and the bearded guest did not bring those sweet potatoes after learning that Zhang Shiyi had brought them to Li Xiu.

When it was almost noon, Li Xiu and the others harvested dozens of bundles of sweet potato vines, and then he once again instructed the steward here to plant these sweet potato vines, as he said, the vitality of these sweet potatoes is very tenacious, and there is nothing particular about cutting, just plant them in the soil and water them.

"Sir, what kind of crop is this sweet potato, and why have I never seen it before?" At this time, Li Chengdao asked Li Xiu very curiously, just now he saw that Li Xiu seemed to attach more importance to sweet potatoes than cabbage, so he was a little curious.

"This sweet potato is a very high-yield crop, and if it is promoted in the future, then we Datang will no longer have to worry about lack of food!" Li Xiu explained with a smile at this time that he had told Li Chengdao some things about the Americas before, but he only talked about it in general terms, not in much detail, and he didn't know about the high-yield crops such as sweet potatoes and corn.

"High yield? How much grain can it produce per acre, and is it more than wheat and rice? Li Chengdao likes to break the casserole and ask to the end, and he will not give up if he doesn't ask the doubts in his heart.

"This is natural, I haven't calculated the yield per mu of sweet potatoes, but one mu can harvest at least thousands of catties of grain!" Li Xiu patiently explained, in fact, the data of 1,000 catties per mu is already very conservative, if it is placed in the future, some varieties of sweet potatoes can even reach 10,000 catties, of course, it is wet weight, but even if it is dried, there are at least a few thousand catties, and the varieties of these sweet potatoes in front of them may not be as good as the varieties of later generations, and there is no chemical fertilizer, but if it is good land, it is not impossible to produce thousands of catties per mu.

"This ...... How is this possible, you must know that the yield of wheat and rice per mu is only two or three hundred catties, or even lower! When Li Chengdao heard Li Xiu say the words "a thousand catties per mu", he couldn't help but shout in shock, he thought that even if the yield of sweet potatoes was higher, it was also limited, but he never expected that it would be four or five times higher than wheat and rice, if this was not said by Li Xiu, I am afraid he would not believe it at all.

"Honestly, the yield of sweet potatoes is indeed a little too amazing in the eyes of our Datang people, but you have to understand that this world is very big, there are many magical animals and plants, sweet potatoes are one of them, it is not only ridiculously high, but also does not pick the ground, such as those saline-alkali lands where wheat cannot grow, barren mountains, etc., sweet potatoes can grow, of course, the yield will be lower, but no matter how low the yield is, it is stronger than nothing long." Li Xiu patted Li Chengdao's shoulder quite seriously at this time.

After listening to Li Xiu's words, Li Chengdao couldn't help but feel a little trance, as if he was in an incredible dream, he believed that Li Xiu would not lie to himself, but the yield and advantages of sweet potatoes made him a little unacceptable. Although Li Chengqian and Qi Niang next to him also heard Li Xiu's words, they were too young and didn't understand what it meant to produce a thousand catties per mu, so they didn't feel much about it.

Maybe he was frightened by the yield of sweet potatoes, and then Li Chengdao was a little absent-minded, and even ran away during class, which was something that had never happened before, and when it was getting late, he said goodbye and left with Li Chengqian, but when he went out, Li Chengqian did not go with him, but was protected by a group of guards from the Qin Palace.

Li Chengdao didn't even notice this situation, but rode back to the palace in despair, he was supposed to go back to the East Palace for dinner, but after entering the palace, he suddenly came to his senses, stood in front of the palace gate and thought for a while, and finally gritted his teeth and walked towards the Ganlu Hall where his grandfather Li Yuan lived! (To be continued.) )