IJFANS International Journal of Food and Nutritional Sciences

ISSN PRINT 2319 1775 Online 2320-7876

Digital Soil Mapping Of Maniyari Basin For Sustainable Cultivation Using Geospatial Techniques

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Dipak Bej, N. K. Baghmar


Digital Soil Mapping (DSM) now a days is very popular rather than conventional soil map, it is an important tool in soil survey and sustainable agriculture planning. The spatial distribution of per pixel soil information by the use of soil samples laboratory observations data. Ninety soil samples were collected at a depth of 0–50 cm from various Physiography land units in the Maniyari basin, Chhattisgarh, India. This Physiographic landscape unit was made with the help of on the basis of slope percentage and Landuse Landcover as well as Physiography. Sentinal 2 satellite data with 10 m. and Aster DEM with 30 m. resolution has been used to prepare the digital soil map. Mainly four Landuse Landcover classes have been accounted to incorporate with five topographic classes to prepare physiographic units. Soil samples were analyzed to determine the Macro (N, P, and K), Micro (Fe, Zn, Cu, Mn, S and Br) Nutrients and Some Physico (Texture, Bulk density, depth) Chemical Properties (pH, EC and OC). Six textural classes identified were sandy clay loam and sandy clay, clay, clay loam, loam, sandy loam. The bulk density, depth varied from 1.08 to 1.8 Mg m-3, 14 to 90 cm. respectively. The pH, EC, OC are varied from 5 to 8.36, 0.1 to 1.2 ds/m, 0.03 to 1.47 respectively. Nitrogen (N), Phosphorus (P), Potassium(K) varied from 125 to 476 kg/ha., 4.44 to 77.78 kg/ha, 79.6 to 504 kg/ha Respectively. The digital soil database along with all properties are called physiographic soil map. Spatial distribution mapping of all properties and nutrients has been prepared with the help of Kriging and Inverse distance weightage interpolation method and finally prepared a soil map which will help to selection crop and get best sustainable cultivation.

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