Soil fertility status of Pannur North-3 microwatershed of Manvi Taluk, Raichur District, Karnataka

Abstract

Soils of Pannur North-3 Microwatershed of Manvi Taluk, Raichur District, Karnataka, were studied for available nutrient status and mapped by GIS technique. One hundred and twenty two surface soil samples and thirty two samples from soil profiles were collected and assessed for the available major nutrient status. The results revealed that, the most of the area (621ha ha) in the watershed was low in available nitrogen, available P2O5 was low to medium in entire study area, available K2O was medium in 216 ha (33.71 % of samples) area and high in 405 ha (63.16 % of samples) and available S content was low in entire study area.