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Distribution of Different Forms of Soil Acidity in Selective Laterite Soils under Cashew Plantations in Coastal Karnataka

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Title Distribution of Different Forms of Soil Acidity in Selective Laterite Soils under Cashew Plantations in Coastal Karnataka
Not Available
 
Creator R. Srinivasan, A. Natarajan, K. S. Anil kumar, S. Dharumarajan and D. Kalaivanan
 
Subject Illuvation, acidity, pedon, lime requirement and cashew
 
Description Not Available
A study was conducted to examine soil morphological, physico-chemical properties
and different forms of soil acidity of six selected laterite soils under cashew plantations
in coastal Karnataka. Pedons were dug to a depth of 2 m at six selected locations viz.
Pala hillock, DCR-Shanthigodu, Muchipadavu, Mulia, ARS-Ullal and Palikudel and
horizon wise samples were collected to study the various soil parameters including
different forms of soil acidity. Cation exchange capacity and base saturation of the
soils were varied from 7.60 to 19.8 cmol (p+) kg-1 and 4 to 32%, respectively. The
exchangeable acidity varied from 0.06 to 2.20 cmol (p+) kg-1 and extractable acidity
ranged from 8.16 to 47.89 cmol (p+) kg–1. Presence of low exchangeable acidity could
be due to efficient recycling of basic cations and higher exchangeable acidity in few
locations may be due to the presence of exchangeable ions like H+ and Al3+. Results
obtained from this study indicated that the Pedons 1, 4, 5 and 6 requires more lime
than others to reclaim for maximizing cashew production by restoring the available
soil nutrients.
Not Available
 
Date 2020-05-24T14:19:13Z
2020-05-24T14:19:13Z
2016-04-05
 
Type Research Paper
 
Identifier 3
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/36237
 
Language English
 
Relation Not Available;
 
Publisher International Journal of Bio-resource and Stress Management