The method of participating popularization in agriculture technology has been widely used abroad for its prominent efficiency, and its application in our country was also be paid attention by agricultural experts and farmers.

Participatory agricultural extension focused on that the scientific research institutions like agricultural universities engaged in agricultural technical research,and the agricultural extension organizations and personnel provide services to farmers according to their true demand.

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.