The coefficient of the dummy indicates that full-time farmersare less likely to perceive the water quality as being very good. Themarginal effects further indicate that the probability that full-timefarmers perceive water quality as being very good is 11 percentagepoints lower than among part-time farmers. This implies that thefull-time farmers, representing 72% of the respondents, are innatelyaware of the potential for increased water pollution as a result oftheir intensive farming activities.The analysis consequently shows that farmers with mid-steep4and steeply sloped farms are more likely to perceive low waterquality. The overall general significance of the physical factorsin the perception model is an indication of farmers’ intrinsic awareness of the role of soil and slope properties in the transporta-tion of agricultural runoff. This awareness therefore plays a keyrole in forming their attitudes to water quality. Farm characteris-tics such as slope, soil type and structure have been cited as keyfactors which contribute to diffuse water pollution (Collins et al.,2007).