About Lesson
- The first agriculture extension service of modern kind came into existence as the result of crisis and initiative: outbreak of potato blight in Europe in 1845.
- By the close of the nineteenth century agricultural extension system modelled to a considerable extent on the German Wonderleherer had spread to Denmark from onward to Netherlands where extension worker had been appointed by the agriculture society.
- Consequently, the concept of extension service moved towards Italy the first agriculture teacher appointed following in the next decade and funded by public donation, the church & bank to Switzerland to much of Austro Haungerian empire and to Russia.
- One of the earliest extension research paradigm-diffusion of innovation, arose within, and was consolidated as a tradition in rural sociology by Herbert Lionbeger (1960) and Everett Rogers (1962) in the USA and Van den Ban (1963) in Netherlands.
