As a farmer inventor, he is known as "the father of compact hybrid corn in China", which makes him as famous as "the father of hybrid rice" Yuan Longping and enjoys the reputation of "Southern Yuan and Northern Li".
Over the past 30 years, more than 80 new high-yield maize varieties have been bred, and the high-yield record of summer maize in China has been set seven times. Ye Dan series of new maize varieties selected by the host won the first prize of National Science and Technology Progress Award.
Li Denghai has increased the national income by 654.38 billion yuan?
After Li Denghai developed the "Yedan II" with a output of 776.9 kg, it did not stagnate, but started a new round of experiments and exploration. ?
In the winter of 1997, Li Denghai went to Hainan, thousands of miles away, to carry out maize breeding experiments. Because the climate and temperature in Hainan are suitable for the growth of corn, there can be three mature periods in a year. Li Denghai can complete the experiment in Hainan in one year, and he has worked in Shandong for three years. ?
Li Denghai once said that the success rate of maize breeding is only one in1.20,000, so he should race against time to carry out maize breeding experiments in order to continuously study new achievements. ?
The climate and temperature of three crops a year in Hainan provide unprecedented help for maize breeders in Li Denghai. Many things happen. In the middle and late 1990s, Li Denghai successfully bred a new series of "Denghai" maize varieties, which became the main maize varieties in China. ?
Among them, the new maize variety Denghai 9 has many outstanding characteristics such as high quality, high yield, insect resistance and drought resistance, which has created a new record of hybrid maize yield per mu.
It was found that Denghai 9 was suitable for planting in Northeast China, Huanghuai, Northwest China and South China. From 2003 to 20 17, Denghai No.9 produced and sold a total of 56.2408 million kilograms, with an accumulated custody area of 187469 mu, which increased the grain output by1.4646366.
The research and development of "Denghai No.9" has greatly increased the yield of corn and made great contributions to the food security in China. Denghai No.9 is suitable for producing new energy ethanol gasoline because of its high starch content, so it has also been favored by ethanol gasoline enterprises, providing a very strong support for ensuring the sufficiency and safety of energy production in China. ?
Subsequently, a number of new maize varieties were successfully embodied in Li Denghai. After 12 1 generation breeding, a high-yield maize hybrid variety with per mu yield of 1500 kg was finally bred, which increased the social benefits for the country by nearly12 billion yuan.
Refer to the above? Baidu Encyclopedia-Li Denghai