Table 1 Characteristics of the key informants in Ban Khammex
Role in community Knowledge
Soil doctor (61 years) Brief knowledge about soil
Village Vice headman (52 years) Socio-economic conditions
Village committee member (55 years) Socio-economic conditions
Village representative for Tambon administration (47 years) Local government support and service
Village representative for agriculture (49 years) Agricultural knowledge
Elderly person (67 years) Changes of farm practices and conditions over time