BEIJING, July 24 (China Daily)-- A senior" title="a.年长的 n.前辈">senior agriculture expert said yesterday that an output of 900 kg of rice per mu was achievable by 2010.

This would be a considerable boost to the tightening food supply in the country.

At a press conference held by the Beijing International Media Center, Qing Xianguo, deputy" title="n.代理人；代表">deputy director-general of the Hunan Hybrid Rice Research Center, said his team had already achieved the target" title="n.靶子；目标；指标">target in some trial cases.

"We are confident" title="a.有信心的，自信的">confident that we can realize our target" title="n.靶子；目标；指标">target by 2010," Qing, a colleague" title="n.同事，同僚">colleague of the father of hybrid" title="n.杂种；混合物">hybrid rice, Yuan Longping, said.



"It will mean a 20 percent rise in the country's rice production every year," he said.

Innovations in hybrid" title="n.杂种；混合物">hybrid rice technology have seen the per mu rice output reach 700 kg in 2000 and 800 kg in 2004, Qing said.

Currently, 50 percent of China's paddy fields grow Yuan's hybrid" title="n.杂种；混合物">hybrid rice, which yields 60 percent of the total rice production, about 200 million tons a year.

The country has planted about 5 billion" title="num.万亿">billion mu (333 million hectares) of hybrid" title="n.杂种；混合物">hybrid rice since it was cultivated" title="a.在耕作的；有教养的">cultivated in 1976 when the production was 300 kg per mu.

"That has been a considerable boost to the food supply both in the country and around the world," Qing said.

At least 20 countries have planted about 30 million mu of China's hybrid" title="n.杂种；混合物">hybrid rice and trial projects in Southeast Asia, South Asia, South America and Africa have been very successful, Qing said.

The yields there have been 20 to 40 percent higher than the conventional" title="a.常规的；协定的">conventional rice harvests, he said.

Qing said the rice yield per mu could reach 1,500 kg, and the team is now switching to modern biological" title="a.生物学(上)的">biological techniques, including gene technologies, to achieve that target" title="n.靶子；目标；指标">target.

The profit margin" title="n.边缘；空白；余地">margin on planting hybrid" title="n.杂种；混合物">hybrid rice is 30 percent higher than that on conventional" title="a.常规的；协定的">conventional rice
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