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What is the practical significance of achieving a yield of 1500 kg per mu in the experimental field?

 Last Update: 2021-11-11
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"Double-cropping rice yields 1500 kg per mu" has been reported frequently.

Xinhua News Agency, Haikou, October 27 - Title: "double-crop rice per mu 1500 kg" key news of success, what practical significance?

Question: "Double-cropping rice yields 1,500 kg per mu" has been reported frequently.
What is the practical significance?

Xinhua News Agency reporters Luo Jiang and Wang Junfeng

Surrounded by mountains and seas, golden rice waves are layered on top of each other
.

On the 26th, the Nanfan Public Experimental Base in Yazhou District (Batou), Sanya, Hainan ushered in the production of late rice

Frequent good news shows that while maintaining the world's leading position in hybrid rice research, China is constantly climbing new research peaks
.

In December last year, the launch meeting of the 1500 kg/mu hybrid rice double-cropping demonstration project was held in Sanya, and a leading group was established with Yuan Longping as the chief scientist

Cao Bing, vice president of Hainan University, recalled that at the beginning of this year, after seeing the early rice photos taken by researchers in Sanya, Yuan Longping said, "I am very satisfied" and "I would like to see the scene if my physical condition permits
.

" Until shortly before his death, he still cared about the growth of rice in the experimental fields in various places

academician

"The goals proposed by Yuan Lao have been achieved in Hunan and Hainan one after another, which shows that the potential for increasing production can still be tapped through technological integration and innovation
.

" said Li Jianwu, director of the cultivation office of the Hunan Hybrid Rice Research Center.

What is the practical significance of achieving a yield of 1500 kg per mu in the experimental field?

According to Yuan Longping’s estimation before his death, according to China’s per capita grain consumption, the double-season rice yield per mu reached 1500 kg, which means that one mu of double-season rice can feed about 5 people
.

China's per capita arable land is small, and Yuan Longping has repeatedly emphasized that "the pursuit of high yield and higher yield is an eternal theme

"High-yield research is like a marathon.
Not every runner can pass the finish line, but to break through is success
.

" Cao Bing said, using different fine varieties and efficient cultivation methods in various places, you chase me and rush to the same goal to launch an impact and promote The overall research level of hybrid rice in China has been improved

Guangdong Provincial Agricultural Research Institute chief scientist at Rice Research Institute, Wang Feng pointed out that increase food yields is an important measure to achieve "storing grain on the ground, hidden in food technology," the
.

Each experimental demonstration site should also summarize successful experience, form an easy-to-understand and easy-to-operate method for farmers, and integrate and promote high-yield varieties and high-yield cultivation techniques

Academy of Sciences

In addition, Sanya, which has tropical natural climate conditions, has succeeded in tackling key problems and has unique demonstration value
.

Due to the high environmental temperature, the relatively short growth period of rice and the frequent occurrence of diseases and insect pests, the increase in rice production in Sanya is facing greater pressure
.
Since the second half of this year, extreme weather such as typhoons and heavy rains in Hainan have occurred frequently, bringing uncertainty to the growth of late rice
.

extreme

"Sanya overcome difficulties and achieve double-crop rice yield, showing the Yuan Academy of Sciences 'global coverage of Hybrid Rice Dream' beautiful blueprint
.
" Secretary of Sanya City Bureau of Agriculture and Rural spring with Ke believes that Sanya with major rice producing countries in Southeast Asia similar latitude, similar climate , The realization of high yield of double-cropping rice has a good reference value for related countries
.

academician

During his lifetime, Yuan Longping not only led the continuous breakthroughs in China's hybrid rice technology, but also committed to promoting hybrid rice to the world for a long time
.
Today, Chinese hybrid rice has been planted in dozens of countries and regions in Asia, Africa, and the Americas.
The annual planting area is 8 million hectares.
The annual increase in rice production can feed tens of millions of people
.

In addition to the goal of high-yield double-cropping rice, the test and demonstration site of the Nanfan Public Experimental Base in Yazhou District (Batou) also undertakes the task of screening and evaluating hybrid rice varieties
.
Researchers plant different varieties of rice, conduct comprehensive evaluation and analysis, and select varieties that are more suitable for tropical climate planting and strong resistance, and cooperate with foreign scientific research institutions and enterprises to carry out demonstration planting and promotion
.

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