Nutrient Availability in Soils as Influenced by Physiography in Ayyammanahalli Village, Bangalore Rural District, Karnataka

Soil-land form relationship was studied for Ayyammanahalli village by the interpretation of satellite and Google earth imagery. Sampling areas in transect were marked along the slopes based on the tonal variation. The selected transect areas were marked for profile study, five representative pedons were exposed on five different physiography, like Upland summit, Upland lower sector, Upland upper sector, shoulder of upland and lowland. The study area represents semi arid tropical climate. It has vast areas of upland and considerable area of lowland. Majority of the upland is under field crops. Upland has very gentle to gentle slope.