Professor Yuan asked, "Duoduo, what are your thoughts?"
Qian Duoduo looked at the newly heading rice and said, "First of all, there are two reasons why this happened to the rice. The first is that the base fertilizer was not applied enough, and the first pesticide spraying for disease and pest control was not timely enough, resulting in some aphid eggs on the rice. You can see them on some of the lower leaves of the rice."
The Zhuhu Farm receives more rainfall than Northeast China, which causes the applied fertilizer to be washed away when the rice paddies are drained.
The suggestions from my two senior colleagues are worth trying, but I think the key to thickening rice stalks lies in addressing the root cause. Before planting, deep plowing is necessary. Apply basal fertilizer of 2.2 kg urea, 5.4 kg diammonium phosphate, 4.2 kg/mu of 60% potassium fertilizer, and 4 kg/mu of silicon fertilizer; top-dress with 5.1 kg urea and 6.3 kg/mu of potassium fertilizer.
Upon hearing Qian Duoduo's words, Professor Yuan lowered his head and pondered, "Duoduo, is there any data to support what you're saying?"
Qian Duoduo said, "Teacher, you forgot, I also grew rice in the rice paddies at school."
Professor Yuan nodded and said, "I know, but the climate in Northeast China, especially Heilongjiang Province, is completely different from here."
Qian Duoduo nodded and said, "Teacher, I did make some additions and subtractions, which I just said after calculating them."
Yu Jing: "I haven't seen you put pen to paper either?"
Qian Duoduo: "I don't like to write things down. For general calculations, I try to use my brain as much as possible."
Yu Jianshe, who was listening nearby, looked at Qian Duoduo with surprise and said, "You're so amazing?"
Qian Duoduo shook his head and said, "I'm not that great. There are plenty of great people in our country!"
Liang Kun said, "Now that they've been planted, what should we do?"
Qian Duoduo said, "Senior Brother Liang, haven't you noticed a problem?"
Professor Yuan smiled and looked at Qian Duoduo and Liang Kun. Liang Kun glanced at Yu Jing beside him, then at Professor Yuan, and finally at Qian Duoduo, asking, "What's the problem?"
Qian Duoduo said, "Actually, these rice plants are all sick. The stalks are thin and there are few ears. This is a disease. And look, there are also weeds in these rice fields. These are the important reasons that affect the rice's absorption of nutrients, especially this kind of weed." She bent down and pulled a handful of weeds in the rice field and said to everyone, "This kind of weed is called weed rice. It looks like rice, but it is not. However, it is very good at competing for nutrients in the rice field."
Looking at the plant in Qian Duoduo's hand that resembled rice, Yu Jianshe asked, "Isn't this rice?"
Professor Yuan said, "That's right, this is not rice. This kind of weedy rice is also common in Northeast China, but it is usually cleared by humans."
Qian Duoduo said, "You can use: 230ml/mu of 12% Nongsitai for pre-emergence herbicide, Sukebi for insect control, and foliar fertilizer three times. Since this kind of weed already exists in this field, you must deeply plow before the next sowing and use herbicides when watering to inhibit the growth of this weed."
Professor Yuan nodded upon hearing Qian Duoduo's words and said, "That's good, applying what you've learned is commendable."
Yu Jing and Liang Kun both lowered their heads. They had actually learned these techniques before, but they hadn't noticed this weedy rice variety immediately.
Seeing that Professor Yuan had approved Qian Duoduo's suggestion, Yu Jianshe immediately said to Qian Duoduo, "Qian, could you write down what you just mentioned about pesticides and herbicides? I'll have someone prepare them."
Qian Duoduo nodded, took out paper and pen from her backpack, wrote it down, and handed it to Professor Yuan for a look. Professor Yuan, wearing glasses, looked at it very carefully and then nodded: "Okay."
Yu Jianshe immediately handed it to the soldier beside him, who saluted and turned to leave.
Qian Duoduo stayed here with Professor Yuan for three whole months, watching the harvest of this batch of rice at Zhuhu Farm. The yield per mu increased by 10% compared to the same period last year, which made everyone very happy.
In particular, Yu Jianshe thought that among all the young men under his command, it would be even better if one of them could win Qian Duoduo's favor and keep this girl who knew how to farm. Later, during a chat, he learned from Qian Duoduo that the girl already had a boyfriend who was a high-tech talent, so he gave up on the idea!
Seeing that this place was very close to Wuyuan, Qian Duoduo discussed with Professor Yuan about going to Wuyuan for a trip. Professor Yuan thought about it and thought it was a good idea, so he took Yu Jing and Liang Kun, and Qian Duoduo and Yu Jianshe sent someone to drive to Wuyuan.
Qian Duoduo sat in the back. Looking at the tall mountains beside them, she asked, "Are those mountains Sanqing Mountain?"
The driver, Xiao Ma, said, "Yes, that's Sanqing Mountain over there."
Qian Duoduo said, "Sanqing Mountain is a famous Taoist mountain!"
Xiao Ma laughed and said, "That's right, there are Taoist temples and Taoist priests up there, but they generally don't come down the mountain and practice self-sufficiency!"
Qian Duoduo nodded and said, "When I have time to come here again in the future, I must go up and take a look!"
"The trees there are tall and the air is very fresh!" said Xiao Ma.
Professor Yuan, sitting in the passenger seat, smiled and said, "In the Jin Dynasty, Ge Hong, a famous physician, Taoist theorist, and Taoist priest, came to Sanqing Mountain to refine elixirs around the Shengping era of the Eastern Jin Dynasty."
During the Qianfu era of the Tang Dynasty, Wang Jian, the Grand Master of the Palace and Prefect of Xinzhou, retired with his family to Dayuanwu at the foot of the mountain in his later years.
In the sixth year of the Song Dynasty's Qiandao era, which is 1170, Wang Lin, the tenth-generation descendant of Wang Jian, founded the Sanqing Taoist Temple. However, due to the chaos and famine of the times, the temple was completely destroyed. Many books, paintings, and Taoist ritual implements were lost.
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