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Scope of horticultural land use system in enhancing carbon sequestrationin ferruginous soils of the semi-arid tropics

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Title Scope of horticultural land use system in enhancing carbon sequestrationin ferruginous soils of the semi-arid tropics
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Creator Chandran, P., Ray, S.K., Durge, S.L., Raja, P., Nimkar, A.M., Bhattacharyya, T. and Pal, D.K.
 
Subject Carbon sequestration, ferruginous soils, land-use systems, semi-arid tropics
 
Description Not Available
Soil exhaustion is a major concern particularly in ferruginous
soils of the tropics and restoration of soil
quality through management of soil organic carbon
(SOC) is one of the options to combat the situation. To
understand the scope of different systems to sequester
organic carbon in ferruginous soils (Typic Rhodustalfs),
three representative systems, viz. agriculture
(40 years), horticulture (20 years) and forestry (several
centuries) were selected in a contiguous area under
semi-arid tropical climate. The study indicated that
the quasi-equilibrium value (QEV) of SOC decreased
from 1.78 to 0.68% in the first 30 cm, when the soils
are used for agriculture instead of retaining them as
forest. A shift from agricultural to horticultural system
over 20 years increased the QEV to 0.81% indicating
accumulation of SOC. The highest threshold
value of SOC is observed in forest system, followed by
horticultural and the lowest in agricultural system.
The present study indicates that horticultural system
is a better option to enhance the SOC if forestry is not
feasible in these ferruginous soils.
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Date 2020-05-31T13:48:01Z
2020-05-31T13:48:01Z
2009-10-10
 
Type Research Paper
 
Identifier Chandran, P., Ray, S.K., Durge, S.L., Raja, P., Nimkar, A.M., Bhattacharyya, T. and Pal, D.K. (2009). Scope of horticultural land use system in enhancing carbon sequestrationin ferruginous soils of the semi-arid tropics. Current Science. 97(7): 1039-1046.
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http://krishi.icar.gov.in/jspui/handle/123456789/36691
 
Language English
 
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Publisher Not Available