01114nam a2200145Ia 450000500170000008000180001710000210003524500720005626000470012830000160017552007290019158300190092094200120093999900170095120260716043014.0  a07.01.02 R748  aRoling, Niels G.  aExtension science : information systems in agricultural development  bCambridge University P.aCambridgeGBc1988  axii, 233 p.  aTraces development of extension science and discusses an information system which dynamically integrates agricultural research, extension and farmers.   Examines the mechanism of extension as an instrument for inducing voluntary change.  Discusses use of diffusion of innovations research methods for identifying homogeneous target categories in rural areas.  Explores the macro context of extension and argues case for targetting.  Provides results of a field experiment which targetted extension on`forgotten farmers' in Kenya.  Discusses creation of active farmer systems and the agricultural information system as a tool for analysis and design of agricultural research, extension and agricultural knowledge utilization.  c3/7/00kM2LMGR  cMmR748  c38566d38566