美国农业技术人员管理及职称制度（一）农业技术推广机构及职能美国实行的是教育、科研、推广“三位一体”的农业推广体制。机构上有三个层次，即：联邦农业部的推广组织机构，州农业技术推广机构，县农业技术推广组织机构。１．联邦农业部推广局　美国联邦农业部设推广局，其 The United States agricultural technicians management and job title system (A) of agricultural extension agencies and functions The United States is the implementation of education, research and promotion of the “Trinity” of agricultural extension system. Institutions have three levels, namely: the Federal Department of Agriculture promotion organizations, state agricultural extension agencies, county agricultural extension organizations. 1. Federal Department of Agriculture Promotion Bureau The Federal Ministry of Agriculture set up the Promotion Bureau