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Soil carbon stocks in natural and man-made agri-hortisilvipastural land use systems in dry zones of Southern India

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Title Soil carbon stocks in natural and man-made agri-hortisilvipastural land use systems in dry zones of Southern India
Not Available
 
Creator M.S. NAGARAJA
A.K. BHARDWAJ
G.V.P. REDDY
V.R.R. PARAMA
B. KAPHALIYA
 
Subject Soil carbon
land use systems
residue recycling
forest
horticulture
grassland
 
Description Not Available
A study was undertaken to assess the soil carbon stocks in 0-50 cm soil depth, under natural and
man-made land use systems in the eastern dry zones of Karnataka in India. The carbon (C) stocks
in soils ranged from 26.46 t ha-1 in dry land agricultural systems (without manure) to 89.20 t ha-1 in
a mixed forest. Among natural systems, mixed forest (89.20 t ha-1) and ungrazed grassland (71.78 t
ha-1) recorded higher levels of C stock than other systems, while grazing in grassland and litter
removal in teak plantations correlated to reduced carbon stocks to 39.32 and 32.74 t ha-1, respectively.
Intensively managed horticultural systems namely, grapes plantation (85.52 t ha-1) and pomegranate
plantation (78.78 t ha-1) maintained higher levels of C stock. However, agricultural systems recorded
moderate to lower levels. Total carbon stocks in top 0-50 cm soils of agricultural systems was in the
order: irrigated lands with manure application (52.77 t ha-1) > irrigated lands without manure
application (44.47 t ha-1) > dry lands with manure application (37.79 t ha-1) > dry lands without
manure application (26.46 t ha-1). It was observed that adoption of appropriate soil and crop
management practices such as conservation tillage, good irrigation, incorporation of crop residues
and application of manure etc. could enhance soil C pool by reducing existing carbon loss and
promoting C accumulation in the soil.
Not Available
 
Date 2019-12-07T09:09:29Z
2019-12-07T09:09:29Z
2016-09-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/28641
 
Language English
 
Relation Not Available;
 
Publisher Not Available