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A Closer Look at the Nature of Soil Acidity in Ri-bhoi District, Meghalaya, India

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Title A Closer Look at the Nature of Soil Acidity in Ri-bhoi District, Meghalaya, India
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Creator Roy, Partha Deb, Jena, R.K., Ray, P., Bandyopadhyay, S., Ramachandran, S., Sigh, S.K. and Ray, S.K.
 
Subject Nature, Soil Acidity, Ri-bhoi District, Meghalaya, India
 
Description Not Available
Soils of Meghalya in the North Eastern region of India are characteristically acidic in nature.
Specific information about the nature of soil acidity would help better management of these soils. The
present work was undertaken with the aim to study the different type of acidity and their relationship with
various physical and chemical properties of soils in Meghalaya. Soil samples were collected from four
depth viz., 0-15, 15-30 , 30-45 and 45-60 cm and six locations having different land use and land form in
the Umsning block of Ri-bhoi district, Meghalya. The geology of Meghalaya plateau comprises
Precambrian gneissic complex intruded by granite plutons. Results indicated that about 7O%o of the
samples were very strongly to strongly acid (pH 4.6 - 5.5), whereas the remaining soils were moderately
acid (pH 5.6 - 6.0) in nature. Lower soil pH values obtained with 1 N KCI solution (ApH value ranged
from -0.96 to -1.64) compared to the pH with water indicated the presence of considerable amount of
exchangeable aluminum. Surface soils were more acidic as compared to sub-surface soils. Exchangeable
Al3* content varied from 0.09 to 2.95 cmol (p+) kg-1. Acidity decreased in various landform in the order
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Date 2020-07-29T09:00:15Z
2020-07-29T09:00:15Z
2016-11-10
 
Type Presentation
 
Identifier Roy, Partha Deb, Jena, R.K., Ray, P., Bandyopadhyay, S., Ramachandran, S., Sigh, S.K. and Ray, S.K. (2016) A Closer Look at the Nature of Soil Acidity in Ri-bhoi District, Meghalaya, India. Paper presented at the International Conference on “Integraed Land Use Planning for Smart Agriculture – An Agenda for Sustainable Land Management” Indian Society of Soil Survey & Land Use Planning, Napur, 10-13 November, 2016, pp.51-52.
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http://krishi.icar.gov.in/jspui/handle/123456789/38478
 
Language English
 
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Publisher Not Available