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Yuan Xichen became excited when he heard the word "high productivity". God knows, he has been worried about the military pay recently.

Yu Qingqing chuckled, "Your Highness, this is of course true. I can also tell you how to make dried sweet potatoes, so that they are convenient to carry on the march and can save a lot of time."

Yu Qingqing also wanted to help improve the army's food supply. In this critical moment, she also hoped to do her best. Only when the whole country is stable can their family be together.

The people are also the foundation of a country, and everyone complements each other.

Afterwards, Yu Qingshu took Yuan Xichen and his group, took all kinds of tools and went to the sweet potato field over there.

This time, he even called the two servants he had bought, Hua Manhong and others to go along.

After passing the pond near Yu Qingqing's house, the group soon arrived at the sweet potato field.

Village chief Liu and others were digging sweet potatoes at this time, working hard. They stopped when they saw Yu Qingshu and his men coming.

Yu Qingshu briefly introduced Yuan Xichen to Village Chief Liu and others. When he heard that he was the owner of the restaurant, the way Village Chief Liu looked at others changed.

Yuan Xichen saw the ground covered with various vines and was very surprised when he learned that they were sweet potato vines.

It was the first time he had seen sweet potatoes, and the first time he had heard of fruits growing beneath the soil.

There is really everything in the world.

Yu Qingshu brought a bunch of freshly dug sweet potatoes. The big round sweet potatoes were hanging on the vines, which made Yuan Xichen and others feel very curious.

A breeze blew gently, and a whole piece of sweet potato leaves danced with the wind, which was a visual feast.

Yuan Xichen observed carefully and found that there were at least five or six sweet potatoes on one vine. No wonder it was so productive.

After tasting the sweetness and deliciousness of sweet potatoes, Yuan Xichen became more confident and was looking forward to the dried sweet potatoes that Yu Qingqing mentioned.

Yuan Xichen looked at the sweet potato field in front of him and was greatly shocked. He picked up a hoe and started digging like Yu Qingshu did.

But when he dug with the hoe, a large area of ​​snow-white sweet potatoes appeared, and he accidentally dug up one of the sweet potatoes.

Yuan Xichen asked nervously: "Uncle Yu, I dug up this sweet potato and it's damaged. What should I do? If this sweet potato is damaged, it won't last long."

Yu Qingshu turned around and saw the damaged sweet potatoes in the soil. He shook his head and said with amusement: "Master Yuan, this is still edible even if it is damaged.

However, rotten sweet potatoes can’t be kept for long. But you can also use rotten sweet potatoes to make dried sweet potatoes and keep them for a long time without any problems. "

"Master, you see, this sweet potato has been damaged by me. Fortunately, we can still eat it, otherwise it would be such a waste." Yuan Yi also took a sweet potato that was dug in half, which looked quite big.

"Well, then you keep digging, but be careful! If you damage it again, I will deduct money from your monthly salary." Yuan Xichen rolled his eyes at him and said suddenly.

Yuan Yi scratched his head and went back to working hard.

Yuan Xichen looked at the large sweet potato field and made up his mind. He turned to look at Yu Qingshu's back and shouted, "We can buy this sweet potato.

But I don't think I can eat all of this. How about I buy it at one cent per pound? I will arrange for people to come and dig the sweet potatoes myself."

The price Yuan Xichen offered was relatively fair. After all, other food could be bought for just one penny.

Yu Qingshu glanced at the endless sweet potato fields and remembered what his daughter had said about Yuan Xichen's spending money on maintaining troops, so he readily agreed.

Yu Qingshu pulled a sweet potato off the vine and smiled, "No problem, you can find someone to dig it up, and we'll charge one penny per pound. There are so many sweet potatoes here, we can help dig a little more now."

When I get back later, I’ll tell you all about the different ways to eat sweet potatoes. You won’t lose out on these sweet potatoes.”

The deal was finally done, and a smile appeared on Yu Qingshu's face.

He stood up, wiped the dirt off his hands, and walked towards Village Chief Liu. When Village Chief Liu learned that the sweet potatoes had been found, everyone began to cheer.

Village Chief Liu wanted to go over and thank Yuan Xichen, but Yu Qingshu stopped him in time, "Brother Liu, I can entertain Master Yuan. He doesn't like too many people disturbing him."

Yu Qingshu did this because he was worried about offending Yuan Xichen. If others didn't know his identity, he would be even more responsible.

Village Chief Liu stared at Yu Qingshu with gratitude, and clenched his hands tightly with excitement, "Brother Yu, we are all grateful to you for giving us a new way to live.

Now my life is getting better and better. I don't know how to thank you. I hope you can forgive me for any offense I have done to me in the past. Please don't take it to heart."

Village chief Liu also sincerely thanked Yu Qingshu, and he naturally made an indispensable contribution to the better lives they have.

Yu Qingshu smiled shyly and continued to dig sweet potatoes.

At this time, Yu Qingqing and her friends had already dug a lot of sweet potatoes. Large pieces of sweet potatoes were lying on the ground in all directions, indicating the joy of the harvest.

While Yuan Xichen was digging sweet potatoes, he would talk to Yu Qingqing from time to time, while the guards he brought with him secretly covered their mouths and laughed.

After Yu Qingshu came over, he continued to dig sweet potatoes. The group enjoyed the work and did not feel tired at all.

After digging for about an hour, the cloth bag they brought was no longer full, so they stopped digging.

More people means more power. Yuan Xichen's guards were able to do the work of two people each, and they quickly carried back the fruits of today's work.

After weighing it at the end, they found that they had actually dug up as much as 500 kilograms. Yuan Xichen gave Yu Qingshu 500 coins as payment on the spot.

After returning, Yu Qingqing asked someone to wash some of the sweet potatoes, and then began to teach the cook brought by Yuan Xichen how to make dried sweet potatoes.

Yuan Xichen and his guards were also watching with great interest, asking questions from time to time.

Yu Qingqing put the sliced ​​sweet potatoes into the steamer. She pointed at the steamer and said seriously: "Actually, this is very simple. We steam it first and then put it in the sun to dry.

The sun is strong, so after the water dries up, we take it back and steam it a second time, then air it for two days. Then we take it back and steam it a third time, air it for another day, and then we can package it and seal it.”

This is also dried sweet potato, a more traditional method, exactly as Yu Qingqing described.

Yuan Xichen looked as if he had suddenly realized something, and looked at Yu Qingqing with sparkling eyes, "Then how long can this usually be stored?"