The extension of agricultural technology with public welfare is an important part in the extension of agricultural technology,which has a bearing on the advancement of China s agricultural modernization.

A Study on Reform Process of Agricultural Extension System at County Level in Market Economy;

The average income of farmer households and the 12 factors composing the agro-technology extension system were surveyed in 6 districts/counties and 12 towns of Chongqing,and relevancy analysis was carried out between the income and the factors by utilizing DPS(Data Processing System).

A Study on Development and Reform of Agricultural Technology Extension at Grass Roots Level;

Agricultural technology extension team plays an special role in solving the problem facing China\'s agriculture, rural areas and farmers and building a modern prosperous society, and it\'s also the important content of developing our agricultural talent group in new period.

Using survey data from 320 planting farmers in Jiangsu Province,the paper examine the technical service needs of farmers,and analysis the status of Agricultural Technology Extension from farmers′ perspectives.

But as part of the public service advertisements, the rural public service advertisement, its development is not optimistic.