In this era of low yield, almost every family with some status has more than 1000 mu of land, and the production of refined grain is limited, so it is necessary to supplement some coarse grain. Now there are sweet potato and potato, two crops with such high yield, and they can be made into vermicelli to improve the preservation time. For the families of powerful people who are used to accumulating food, the temptation of potatoes and sweet potatoes is not small.

No matter in ancient and modern times, food security is related to strategic security. This truth can be said at home and abroad. Sages have these two things in their hands. When promoting, they can do a lot of articles. Especially in the past two years, the imperial court has fought many wars passively or actively, and military food has always been a headache for the court.

If the sweet potato and potato with high yield and easy planting can be used as the supplement of military grain, the pressure brought by raising military grain will be greatly alleviated. Only this benefit will be valued by sages.

Xue Lang said: "when the sage comes back, I'm going to give a recital. I suggest that the sage should build imperial manors in Henan, Hebei, Shandong and other places to plant potatoes. When I was in the Ministry of the people's Republic of China, I specially checked the climate of these areas. With the geographical location and climate of these areas, it is possible to plant two crops of potatoes a year. Even if the output of the second quarter is not comparable to that of the first season, half of the output should be achieved. "

Princess Pingyang was shocked and immediately asked, "is this really true?"

Xue Lang made a serious promise: "it's a cinch!"

Princess Pingyang silently calculated for a moment in her heart and said happily, "if you can really plant two crops, you don't need to produce more per mu. If you can harvest more than 4000 kg per mu a year, it will be enough."

Speaking of this, he paused, glanced at Xue Lang and said, "if it is true, tomorrow I will send people to these places to buy land and build farms."

Xue Lang a smile, ask a way: "why want to accumulate grain?"

Princess Pingyang was stunned and asked, "isn't Youyang's proposal to strengthen our strength, beyond the prince and the king of Qin?"

Xue Lang looked directly into her eyes and said slowly, "therefore, we should not accumulate grain."

Princess Pingyang flashed her eyes and asked, "how do you say that?"

Xue Lang said: "since Jianling has discharged your military power, don't touch it again. It's better to do something else than accumulate food for people to avoid. My suggestion is, grain, do not need to accumulate more, general is OK. We should plant cotton on a large scale instead of grain. In my opinion, two or three mu of sweet potato is enough, and so is potato. "

"Bai diezi..."

Princess Pingyang was thinking. Xue Lang nodded and said, "cotton has a wide range of uses. Making quilts, spinning cloth, whatever it is, is our unique technology. Since it is unique, the initiative is on our side. Even if the cotton planting technology is publicly promoted in the future, we will occupy the vanguard and technical advantages, and other people will certainly not be able to occupy the market share. We will also have the initiative, have more room for operation, and will act more detached. "

Princess Pingyang suddenly, her eyes brightened. She looked at Xue Lang with a smile in her eyes and nodded slowly: "Youyang is right. I wanted to make a mistake. In the cultivation of cotton What's your good policy? "

Xue Lang rubbed his hands and said happily, "when I was in the Ministry of the people's Republic of China, I also studied the data. Which area is suitable for planting cotton? I already know in my mind. Come on, I'll tell you!"

Xue Lang circled the areas suitable for cotton planting. After that, Xue Lang regretfully said: "in fact, the most suitable area is the Longyou generation. However, it is not the territory of our Dynasty. When we defeat the Turks and delimit the land, we should remember to circle more, build a large cotton plantation, and strive to be the largest cotton product controller of the Tang Dynasty!"

Xue Lang made Princess Pingyang laugh and said, "how can Youyang despise Turks so much? Are you so sure that I can destroy the Turks? "

Xue Lang nodded: "this is the general trend of the world! It's sure to be destroyed, but sooner or later! "

Princess Pingyang looked at him with a smile and said, "I'll wait and see."

After talking about cotton for a while, Xue Lang thought of one thing and asked, "how is the library going?"

Princess Pingyang said, "the library has been built, and now it can be opened only by collecting enough books."

Xue Lang nodded. At the present printing level, it really takes a little time to raise enough books for a library. Two people said for a while, long and frugal to report, food is good, can eat!

Xue Lang personally ran to bring the food in and put it on the desk. He and Princess Pingyang ate around the desk. Of course, I'm afraid Princess Pingyang is not used to it. The food is still separate, just a table.

Today's main dish is chicken plate, the staple food is steamed bread, and with three small dishes, two people eat more than enough. Princess Pingyang picked up the green pepper in a large plate of chicken with a chopstick: "this is the pepper that Youyang planted before?"

Xue Lang: "yes, last year, there were few seeds, so I didn't dare to eat green peppers. I only ate the dried peppers. I planted enough seeds this year, but I can eat them. This kind of green pepper is not too hot. Try it."

Princess Pingyang nodded, ate a mouthful, and then ate it. Her face turned red. She covered her mouth and waved to Xue lang. Xue Lang quickly handed over a glass of water and looked at her with a smile: "the first time I eat, maybe I'm not used to it. Isn't it too spicy?"Princess Pingyang swallowed the water and said, "it's a little uncomfortable. It tastes different from dogwood. It's more spicy. I'll keep the seed this year and give it to me. "

"Yes

While they were talking and eating, they didn't talk much, but they didn't strictly abide by the rules of eating and sleeping.

Xue Lang ate three steamed buns and a lot of chicken and potatoes. Princess Pingyang let her eat slowly. There were no less chicken bones on the plate than Xue Lang.

Xue Lang looked at her with a smile and said, "after we get married, we'd better make a big table and eat like this in the future, OK?"

Princess Pingyang looked at him and nodded, "yes!"

After nodding his head, he said, "has Youyang ever thought about how to put home furnishings? Do you have any suggestions? It's better to draw a picture while it's still early, so that the craftsmen can make it, so as not to change the system by themselves in the future. "

Both of them are not manipulative and do not shy away from talking about them. Xue Lang immediately said, "OK, I'll draw it when I'm free these days, and then we'll discuss and choose a style that we both like."

Talk about the family, until the day to wipe black, Pingyang princess left from the small door to go back. When Xue Lang sent the man back, he thought of her smile and frown. When he was interested, he took out his paper and brush and sketched out many pictures of home furnishings.

When Xue Lang was a happy painter, he also announced that he would end the summer vacation ahead of schedule and return to Chang'an from Renzhi palace. The next day, he sent Xue Lang into the palace to participate in the discussion of the political affairs hall.

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