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Characterisation and Classification of Rubber Growing Soils of Kerala, India

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Title Characterisation and Classification of Rubber Growing Soils of Kerala, India
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Creator M. Chandrakala, R. Srinivasan, K. S. Anil Kumar, K. Sujatha, M. Ramesh, Rajendra Hegde, S. K. Singh and H. R. Nirmala
 
Subject Characterization; classification; rubber growing soils; Kerala; India.
 
Description LRI of Elamdesam block, Idukki district, Kerala
Aims: Is to detailed Land Resource Inventory at block level. The objective of the study was the
characterization and classification of soils of the Elamdesam block, Idukki district Kerala.
Place and Duration of Study: Soil survey done and soil samples were brought from Elamdesam
block, in the year 2016 and laboratory characterization and soil classification was done in National
Bureau of Soil Survey and Land Use Planning, Regional Centre, Hebbal, Bangalore
Methodology: Using base maps soil profiles and auger observations from selected transects were
studied in such a way that soil survey and mapping observations have been taken in all landform
units and the location of soil profiles was recorded using GPS. Horizon-wise morphological
properties were described following USDA soil survey manual (Soil Survey Staff 2014). Soil samples were collected horizon-wise, air dried and processed (2 mm sieve) for various analyses following
standard methods. Twelve soil series were identified in the block using the method employed by
Reddy (2006). Soil map prepared manually followed by in GIS environment.
Results: The study revealed that, the soils were very deep to very shallow, well drained to
somewhat poorly drained, brown, dark brown, reddish brown, dark reddish brown, dark yellowish
brown, yellowish brown, dark gray, yellowish red and red in colour. Soils are non-gravelly to
gravelly; clay content is 11.37 to 41.60 percent in the surface soil and ranges from 8.95 to 63.52 per
cent in the subsoil. The cation exchange capacity ranges 5.94 to 15.12 cmol ( + ) kg–1 in the surface
soil and 2.48 to 14.47 cmol ( + ) kg–1 in the subsoil. Base saturation is 6 to 44 per cent in the surface
soil and ranges from 2 to 55 per cent in the subsoil. The organic carbon content is medium to very
high and it ranges 0.89 to 3.34 per cent. Soils acidity ranges extremely acid to moderately acid.
Based on the morphological, physical and chemical characteristics soils were classified as Ustic
Haplohumults, Humic Dystrustepts, Ustic Kandihumults, Lithic Ustorthents and Oxyaquic
Haplustepts.
Conclusion: Soils in the foot hills, high hills and midlands and low land region of rubber growing
soils of Kerala qualify as Ultisols or Inceptisols. The information generated can help the researchers,
farmers and planners to comprehend the natural resources of Elamdesam block for future planning.
Institute funded project
 
Date 2021-07-25T01:33:58Z
2021-07-25T01:33:58Z
2018-12-31
 
Type Research Paper
 
Identifier Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/49996
 
Language English
 
Relation NBSS.Publ.1049;
 
Publisher Sciencedomain international