Carbon sequestration and relationship between carbon addition and storage under rainfed soybean–wheat rotation in a sandy loam soil of the Indian Himalayas

2.50
Hdl Handle:
http://hdl.handle.net/2436/15829
Title:
Carbon sequestration and relationship between carbon addition and storage under rainfed soybean–wheat rotation in a sandy loam soil of the Indian Himalayas
Authors:
Kundu, S.; Bhattacharyya, Ranjan; Prakash, Ved; Ghosh, B.N.; Gupta, H.S.
Abstract:
Soil organic matter (SOM) contributes to the productivity and physical properties of soils. Although crop productivity is sustained mainly through the application of organic manure in the Indian Himalayas, no information is available on the effects of long-term manure addition along with mineral fertilizers on C sequestration and the contribution of total C input towards soil organic C (SOC) storage. We analyzed results of a long-term experiment, initiated in 1973 on a sandy loam soil under rainfed conditions to determine the influence of different combinations of NPK fertilizer and fertilizer + farmyard manure (FYM) at 10 Mg ha−1 on SOC content and its changes in the 0–45 cm soil depth. Concentration of SOC increased 40 and 70% in the NPK + FYM-treated plots as compared to NPK (43.1 Mg C ha−1) and unfertilized control plots (35.5 Mg C ha−1), respectively. Average annual contribution of C input from soybean (Glycine max (L.) Merr.) was 29% and that from wheat (Triticum aestivum L. Emend. Flori and Paol) was 24% of the harvestable above-ground biomass yield. Annual gross C input and annual rate of total SOC enrichment were 4852 and 900 kg C ha−1, respectively, for the plots under NPK + FYM. It was estimated that 19% of the gross C input contributed towards the increase in SOC content. C loss from native SOM during 30 years averaged 61 kg C ha−1 yr−1. The estimated quantity of biomass C required to maintain equilibrium SOM content was 321 kg ha−1 yr−1. The total annual C input by the soybean–wheat rotation in the plots under unfertilized control was 890 kg ha−1 yr−1. Thus, increase in SOC concentration under long-term (30 years) rainfed soybean–wheat cropping was due to the fact that annual C input by the system was higher than the required amount to maintaining equilibrium SOM content.
Citation:
Soil and Tillage Research, 92(1-2): 87-95
Publisher:
Elsevier
Issue Date:
2007
URI:
http://hdl.handle.net/2436/15829
DOI:
10.1016/j.still.2006.01.009
Additional Links:
http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TC6-4JJ847C-1&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=808f7bbd448a955001fb54d5e89edeff
Type:
Article
Language:
en
Description:
Metadata only
ISSN:
01671987
Appears in Collections:
Plant and Environmental Research Group

Full metadata record

DC FieldValue Language
dc.contributor.authorKundu, S.-
dc.contributor.authorBhattacharyya, Ranjan-
dc.contributor.authorPrakash, Ved-
dc.contributor.authorGhosh, B.N.-
dc.contributor.authorGupta, H.S.-
dc.date.accessioned2008-01-08T14:34:51Z-
dc.date.available2008-01-08T14:34:51Z-
dc.date.issued2007-
dc.identifier.citationSoil and Tillage Research, 92(1-2): 87-95en
dc.identifier.issn01671987-
dc.identifier.doi10.1016/j.still.2006.01.009-
dc.identifier.urihttp://hdl.handle.net/2436/15829-
dc.descriptionMetadata onlyen
dc.description.abstractSoil organic matter (SOM) contributes to the productivity and physical properties of soils. Although crop productivity is sustained mainly through the application of organic manure in the Indian Himalayas, no information is available on the effects of long-term manure addition along with mineral fertilizers on C sequestration and the contribution of total C input towards soil organic C (SOC) storage. We analyzed results of a long-term experiment, initiated in 1973 on a sandy loam soil under rainfed conditions to determine the influence of different combinations of NPK fertilizer and fertilizer + farmyard manure (FYM) at 10 Mg ha−1 on SOC content and its changes in the 0–45 cm soil depth. Concentration of SOC increased 40 and 70% in the NPK + FYM-treated plots as compared to NPK (43.1 Mg C ha−1) and unfertilized control plots (35.5 Mg C ha−1), respectively. Average annual contribution of C input from soybean (Glycine max (L.) Merr.) was 29% and that from wheat (Triticum aestivum L. Emend. Flori and Paol) was 24% of the harvestable above-ground biomass yield. Annual gross C input and annual rate of total SOC enrichment were 4852 and 900 kg C ha−1, respectively, for the plots under NPK + FYM. It was estimated that 19% of the gross C input contributed towards the increase in SOC content. C loss from native SOM during 30 years averaged 61 kg C ha−1 yr−1. The estimated quantity of biomass C required to maintain equilibrium SOM content was 321 kg ha−1 yr−1. The total annual C input by the soybean–wheat rotation in the plots under unfertilized control was 890 kg ha−1 yr−1. Thus, increase in SOC concentration under long-term (30 years) rainfed soybean–wheat cropping was due to the fact that annual C input by the system was higher than the required amount to maintaining equilibrium SOM content.en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urlhttp://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TC6-4JJ847C-1&_user=10&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000050221&_version=1&_urlVersion=0&_userid=10&md5=808f7bbd448a955001fb54d5e89edeffen
dc.subjectCarbon sequestrationen
dc.subjectWheaten
dc.subjectFarmyard manureen
dc.subjectSoybean based cropping systemen
dc.subjectSandy soilsen
dc.subjectSub-temperate Indian Himalayasen
dc.subjectLoamy sand-
dc.subjectIndia-
dc.subjectSoil fertility-
dc.subjectRainfed cropping-
dc.titleCarbon sequestration and relationship between carbon addition and storage under rainfed soybean–wheat rotation in a sandy loam soil of the Indian Himalayasen
dc.typeArticleen
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