the effects of agricultural information on the technical knowledge of the greenhouse owners in south khorasan province are dealt with in this study. research a descriptive-correlational methodology was ployed, and in terms of time, it was limited to the activities of the elements of knowledge and agricultural information as obtained from greenhouses during 2009. the study population consisted o...

the aim of this study is to investigate the context by which veterinary services may affect technical efficiency (te) of iranian dairy farms. a data envelopment analysis (dea) was applied to a random sample of 840 dairy farms from six provinces across iran to estimate regional frontier and metafrontier production functions and also to calculate corresponding te of these farms. the relationship ...