PRA techniques and tools commands paramount importance in bottom up approach of planning and implementation of agricultural programmes. The following paper describes the various PRA techniques used in the study such as Transect, Mobility map, Timeline and Time trend. Apart from PRA, other methods of data collection such as use of semi-structured interview schedule, direct observation and focus group methods were also used to elicit information from the villagers.
Participatory Rural Appraisal (PRA) methods have of late been highly successful in bridging the gap between development functionaries and target groups for whom the development straties and efforts have been focused at. PRA describes a growing family of approaches and methods to enable local people to share, enhance and analyze their knowledge of life and conditions, to plan and to act. ::: (Chambers, 1994).
Berzelius failed to make use of Faraday's electrochemical laws in his laborious determination of equivalent weights.