Farmers grow vegetables in a greenhouse in the suburb of Yichang city in Hubei Province. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]

Hou Zhanlei (2nd R), a college graduate-turned village official, helps farmers release sales information of vegetables on the Internet in Wanglaozhuang village, Zhuji township, Sheqi county of Henan province on December 11, 2010. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]

Ma Biao, chairman of Guangxi Zhuang Autonomous Region, sends agricultural products he purchased at Hualien county, Taiwan back to the mainland on April 24, 2011 during his visit to the county. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]

Dai Hui, a farmer in Jinyuan township, Daying county of Sichuan province, earns 50,000 yuan a year with ecological agriculture. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]

On November 22, 2010, workers put rice into a national grain warehouse in Jiujiang city of Jiangxi province. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]

The Taiwan Agricultural Products Fair, or the Taiwan Food Festival, is held in Mawei district of Fuzhou, Fujiang province. [Photo/All-China Federation of Returned Overseas Chinese and China Intercontinental Press]