Identification of soil fertility constraints of a pilot site in coastal agro eco system of Karnataka by geographic information systems technique
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A study was undertaken to map the nutrient status of Mirjan village under the coastal agro eco system of Karnataka. The soil analysis showed the deficiency of N, P, K and Zn in the study area. From the soil fertility maps it was observed that in the study area 247.39 ha low (69.5% of the study area), 86.50 ha medium and 22.14 ha high in available nitrogen. An area of 249.30 ha was low (70.0% of the study area), 88.40 ha was medium and 18.32 ha was high in available phosphorus. In the case of potassium, 159.15 ha was low (44.7% of the study area), 131.71 ha medium and 65.39 ha high in available potassium. Zinc deficiency was observed in 201.21 ha (56.5% of the study area).
[1] S. Powar,et al. Characterization of Soils of the Konkan Coast , 1999 .
[2] N. Tomar,et al. Effect of soil properties on the transformation of phosphorus in acid soils , 1992 .
[3] P. L. Patil,et al. Determination of lime requirement for some acid soils of Uttara Kannada District, Karnataka. , 1990 .
[4] T. Satyanarayana,et al. Studies on potassium status of soils of Karnataka. , 1980 .