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Carbon sequestration potential of Hardwickia binata Roxb. based agroforestry in hot semi-arid environment of India: an assessment of tree density impact

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Title Carbon sequestration potential of Hardwickia binata Roxb. based agroforestry in hot semi-arid environment of India: an assessment of tree density impact
Not Available
 
Creator Dipak Kumar Gupta
R. K. Bhatt
Keerthika A.
M. B. Noor mohamed
A. K. Shukla
B. L. Jangid
 
Subject Agroforestry
allometric equation
arid and semiarid regions
silvipasture
C-sequestration
tree density
 
Description Not Available
Agroforestry is one of the most promising options for
climate change mitigation through carbon sequestration.
However, carbon sequestered in agroforestry system
depends on various factors like type of tree
species, tree density, system age, soil and climate. One
of the most important factors for enhancing carbon
sequestration per unit land is tree density. Hardwickia
binata Roxb. has been reported as suitable agroforestry
tree species with multiple benefits in arid and
semi-arid region, however, the role and impact of tree
density in carbon sequestration is poorly reported.
This study estimated impact of tree density (D1 =
333 tree ha–1 and D2 = 666 tree ha–1) on carbon sequestration
potential of 30-year-old H. binata Roxb. +
Cenchrus setigerus silvipasture system in hot semiarid
region of Rajasthan. The carbon sequestered in tree
biomass was estimated by reported allometric equations,
whereas in soil it was determined by Walkley
and Black method. Results showed significant impact
of tree density on carbon sequestration per unit tree
and per hectare land. The average biomass carbon
sequestered by a tree was significantly more (44.5%)
in low density (D1) compared to high density (D2) system.
However, total biomass carbon sequestered per
hectare land was significantly more (40.8%) in high
density system (31.6 ± 12.6 Mg C ha–1). Carbon
sequestered in soil organic matter was higher in both
D1 and D2 systems compared to control (sole Cenchrus
setigerus field). It ranged from 19.93 ± 0.31 Mg C ha–1
in control to 22.94 ± 0.65 Mg C ha–1 and 23.25 ±
0.78 Mg C ha–1 in D1 and D2 respectively. The total
carbon sequestered (below and above ground tree
biomass and soil organic carbon) was in the order
D2 > D1 > control.
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Date 2020-07-27T09:13:36Z
2020-07-27T09:13:36Z
2019-01-10
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/38304
 
Language English
 
Relation Not Available;
 
Publisher Not Available