Land Resource Inventory at 1:10000 Scale for North Eastern Region
Roomesh Kumar Jena*
ICAR-Indian Institute of Water Management, Bhubaneswar, Odisha (751 023), India
Partha Deb Roy
ICAR-Indian Institute of Water Management, Bhubaneswar, Odisha (751 023), India
Ankita Jha
ICAR-Indian Institute of Water Management, Bhubaneswar, Odisha (751 023), India
Pravash Chandra Moharana
ICAR-National Bureau of Soil Survey and Land Use Planning, Nagpur, Maharashtra (440 033), India
Gulshan Kumar Sharma
ICAR-Indian Institute of Soil and Water Conservation, Research Centre, Kota, Rajasthan (324 002), India
Ayesha Mohanty
Odisha University of Agriculture & Technology (OUAT), Bhubaneswar, Odisha (751 003), India
Kaushik Kumar Panigrahi
Odisha University of Agriculture & Technology (OUAT), Bhubaneswar, Odisha (751 003), India
DOI: NIL
Keywords: Land resource inventory, Landscape ecological unit, Remote sensing, Soil properties
Abstract
A detailed land resource inventory (1:10000 scale) was carried out using remote sensing data in the Jirang block of Ri-Bhoi district. Typical pedons that reflect the main landforms in the study area are the plateau, inter-hill valley plain and denudational hills. Granite and gneiss from various land uses formed these pedons. The soils ranged in hue from dark greyish brown to red, had a high level of organic carbon (which declined with depth) and were high to moderately acidic in response. Ultisols are soils found on hills with high denudation, higher and lower plateaus that are strongly dissected and lower plateaus with low dissection. Their base saturation is less than 35%, making them extremely weathered (kandic horizons). Alfisols are highly weathered soils on low-denudational hills and are found in the lower plateau areas with moderate dissection and the upper valley; however, the latter has a lower base saturation. The lower valley soils are made up of alfisols (aquic moisture regime).
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Reference
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