tailieunhanh - Appraisal and mapping of soil fertility status for Korasagu-4 micro watershed, by using Geo-spatial techniques

A study was undertaken to assess the soil fertility status of Korasagu-4 micro-watershed in Channagiri taluk, Davanagere district of Karnataka. Total ninety six grid wise surface soil samples were collected at 0-15 cm depth to assess the soil parameters and prepare thematic maps by using GIS techniques. The results indicated that soils of micro watershed were slightly acidic to strongly alkaline in soil reaction with non-saline in nature. Soil organic carbon content was found to be medium in major area. The available N, P2O5, K2O were found to be low (), medium () and high () respectively in the microwatershed. The per cent and per cent area of the micro watershed soils were found to be medium in sulphur and boron content. Whereas zinc was found to be deficient in per cent of the area. | Appraisal and mapping of soil fertility status for Korasagu-4 micro watershed, by using Geo-spatial techniques

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