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Xue Lang did not answer the admiration of the prince and the king of Qin, but slowly explained the reason:
”in the spring, there was a heavy snow, and the king of Qin attacked Liu heikai. Affected by this, he even lost and lost. At that time, I was in weizeguan. The cold climate was very unbearable. When I asked his highness what I had to keep out the cold, I knew that there was no cotton It is the cotton padded jacket and quilt made of baidiezi bullet. After careful examination, we can see that baidiezi was still used as a kind of exotic flowers and grasses in our dynasty because there was no way to do it. In foreign countries, cotton is a necessary thing in winter. Even ordinary people, whether in the South or the north, will make several cotton quilts for winter protection, which is very common. But cotton, as long as the climate is suitable, is very easy to grow
When she came, Princess Pingyang reminded Xue Lang not to refuse the saint's appointment too much, so as not to collide with the sage and make him feel ungrateful.
In order to solve this problem, Xue Lang thought hard and thought of cotton. The trial planting of cotton is beneficial to both the country and the country. Using this as an excuse, Li Yuan can't say anything. He can only praise him, and he won't have any idea about Princess Pingyang.
Now it seems that everything is as expected. Xue Lang said tactful, like him, praise!
Li Yuan asked in a hurry: ”what kind of climate is suitable for planting cotton? Please teach me
Li Yuan didn't call Bai diezi, but he followed Xue Lang to call cotton. Xue langlian said in a hurry: ”no, I will tell the sage.”
Since ancient times, China's cotton production areas have been divided into three areas, one is the Yellow River Basin cotton production area, one is the Yangtze River basin production area, and the other is the northwest inland cotton region.
According to the current situation and territory of the Tang Dynasty, only the first one can be popularized. The second one is sparsely populated and has not been developed by the imperial court. Let alone the third one, it is not the territory of the Tang Dynasty, which is beyond the control of the court. Even in the first production area, Liu heikai was still in chaos. Therefore, the imperial court still has a long way to go to promote the cultivation of cotton.
Xue Lang said: ”the sage, about the planting conditions of cotton, cotton likes warm weather and sunshine, afraid of humidity, cold, frost, rain and waterlogging, and high drought. There is a doggerel, which is very intuitive. He said, ”cotton was a sick man when he was young, a medicine pot when he grew up, and became a money string when he was old.” According to Yichen's observation along the way, Qilu, Hebei and Henan are the most suitable places for planting; secondly, Guanzhong and Youzhou can also be planted. In fact, the climate of the western regions is the most suitable for planting cotton, so Gaochang will have so much cotton output. ”
Li Yuan nodded and said, ”weizeguan is trying to grow cotton. How is the progress?”
Xue Lang said: ”the sage, everything is going well at present. When Wei Chen goes back, he will be able to harvest it, and then calculate the yield. Because it was the first year of trial planting. Although Wei Chen knew about cotton, he was not proficient in planting management. In this year's planting management, the princess took two gardeners from Beijing to discuss the trial planting. If we have gained experience this year, we will try to increase the planting area next year, learn from the experience in the planting process, and improve the technology. This will take time and time. We can't be anxious. ”
Li Yuan said: ”in this case, the Qing family should go back to weizeguan first and wait for the spring next year. You may choose suitable land near the capital and try planting sweet potatoes, potatoes and cotton together, and you will be in charge of it. In Chang'an, I will send all the gardeners who are good at cultivating cotton to the Qing family, and strive to realize the high yield of cotton as soon as possible. ”
This is to set a time limit for Xue Lang, and it is also the value of Xue Lang. In fact, Xue Lang is not willing to come back to Beijing after next year. It is recorded in history that the royal highness of the princess died in Wu De six years. It was not written at the beginning of the year or at the end of the year or at the end of the year.
Before this worry is solved, Xue Lang has no intention of coming to the capital. However, when he wanted to explain to Princess Pingyang when he arrived, Xue Lang only got the following words: ”thank you for your attention. I will try my best.”
I didn't agree positively, but I didn't refuse.
Today's court meeting is mainly about sweet potatoes and potatoes. Cotton is an unexpected harvest. Xue Lang finished what he could say. The next details were about the officials in Beijing, which had nothing to do with him.
The details are not a big deal and will be discussed soon. After discussing other issues, the ministers spoke freely. When they spoke, they would look at the wat board in their hands from time to time.