GPS Based Soil Profile Study in Respect to Morphological and Nutrient Analysis in Pedon of Ganjam...

During the dry season, two GPS-based pedons, one each from up and medium land, were researched in the field and analysed in the lab. The change in characteristics between two pedons was primarily due to the parent material in pedons being lateritic or basaltic. The morphology of mineral soils shows how the soil body evolves during the soil formation process, which is primarily controlled by the parent material and climate. Land classification is based on the knowledge of soil properties, capabilities, and utilisation, as well as the determination of epipedon and endopedon of diagnostic horizons through description and interpretation of soil profile attributes. The study discovered that the soil in pedon 1 had brighter colours, increased micronutrient availability, and a thicker horizon than the soil in pedon 2 based on morphological and chemical features. Pedon 1 has a light texture and a crumb structure, but Pedon 2 has a thick texture and a sub angular blocky structure. Although the shape of density in two pedons was decreasing and the value was typical of mineral soils, the pore space showed a reversal trend, demonstrating the compactness and ageing of soils towards subterranean horizons. Similar results were seen in micronutrient analyses, with pedon 1 being richer in micronutrients than pedon 2.

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