Soil Resource Database at Village Level for Developmental Planning |
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| Authors: | Milind R Wadodkar T Ravisankar |
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| Institution: | (1) National Remote Sensing Centre, Department of Space, ISRO, Balanagar, Hyderabad, 500625, India |
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| Abstract: | A study was carried out in village Mohammadabad, Nalgonda district, Andhra Pradesh to demonstrate the potential of high-resolution
remote sensing data in generating soil resource database at village level that would facilitate natural resource developmental
planning. For this study, detail soil resource database was generated by interpreting IRS Resourcesat-1 LISS-IV + Cartosat-1
merged data and by undertaking soil survey and soil analysis. This database was integrated with cadastral map and was analysed
for preparation of an action plan for the village that included recommendation on suitable crops, soil and water conservation
measures and distribution of soil health card to farmers. The study indicates that the LISS-IV + Cartosat-1 merged satellite
data helps in mapping soils at phase level and in delineation of more number of pure soil mapping units i.e. consociations at 1:10.000 scale. The plot-wise resource potential and constraints reveals that significant inter and intra-field soil variability
exists. Soil fertility assessment indicates that the soils of the village are low to medium in fertility (available NPK Content)
and micronutrients like copper, manganese and iron content is above the critical level for optimum growth of crops while zinc
content is less than the critical level. |
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